Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6

Conflicts:
	drivers/net/wireless/ath/ath9k/ar9003_eeprom.c

Documentation/DocBook/80211.tmpl

@@ -146,6 +146,7 @@
 !Finclude/net/cfg80211.h cfg80211_rx_mgmt
 !Finclude/net/cfg80211.h cfg80211_mgmt_tx_status
 !Finclude/net/cfg80211.h cfg80211_cqm_rssi_notify
+!Finclude/net/cfg80211.h cfg80211_cqm_pktloss_notify
 !Finclude/net/cfg80211.h cfg80211_michael_mic_failure
       </chapter>
       <chapter>
@@ -332,10 +333,16 @@
           <title>functions/definitions</title>
 !Finclude/net/mac80211.h ieee80211_rx_status
 !Finclude/net/mac80211.h mac80211_rx_flags
+!Finclude/net/mac80211.h mac80211_tx_control_flags
+!Finclude/net/mac80211.h mac80211_rate_control_flags
+!Finclude/net/mac80211.h ieee80211_tx_rate
 !Finclude/net/mac80211.h ieee80211_tx_info
+!Finclude/net/mac80211.h ieee80211_tx_info_clear_status
 !Finclude/net/mac80211.h ieee80211_rx
+!Finclude/net/mac80211.h ieee80211_rx_ni
 !Finclude/net/mac80211.h ieee80211_rx_irqsafe
 !Finclude/net/mac80211.h ieee80211_tx_status
+!Finclude/net/mac80211.h ieee80211_tx_status_ni
 !Finclude/net/mac80211.h ieee80211_tx_status_irqsafe
 !Finclude/net/mac80211.h ieee80211_rts_get
 !Finclude/net/mac80211.h ieee80211_rts_duration
@@ -346,6 +353,7 @@
 !Finclude/net/mac80211.h ieee80211_stop_queue
 !Finclude/net/mac80211.h ieee80211_wake_queues
 !Finclude/net/mac80211.h ieee80211_stop_queues
+!Finclude/net/mac80211.h ieee80211_queue_stopped
         </sect1>
       </chapter>
 
@@ -354,6 +362,13 @@
 !Pinclude/net/mac80211.h Frame filtering
 !Finclude/net/mac80211.h ieee80211_filter_flags
       </chapter>
+
+      <chapter id="workqueue">
+        <title>The mac80211 workqueue</title>
+!Pinclude/net/mac80211.h mac80211 workqueue
+!Finclude/net/mac80211.h ieee80211_queue_work
+!Finclude/net/mac80211.h ieee80211_queue_delayed_work
+      </chapter>
     </part>
 
     <part id="advanced">
@@ -374,6 +389,9 @@
 !Finclude/net/mac80211.h set_key_cmd
 !Finclude/net/mac80211.h ieee80211_key_conf
 !Finclude/net/mac80211.h ieee80211_key_flags
+!Finclude/net/mac80211.h ieee80211_tkip_key_type
+!Finclude/net/mac80211.h ieee80211_get_tkip_key
+!Finclude/net/mac80211.h ieee80211_key_removed
       </chapter>
 
       <chapter id="powersave">
@@ -417,6 +435,18 @@
           supported by mac80211, add notes about supporting hw crypto
           with it.
         </para>
+!Finclude/net/mac80211.h ieee80211_iterate_active_interfaces
+!Finclude/net/mac80211.h ieee80211_iterate_active_interfaces_atomic
+      </chapter>
+
+      <chapter id="station-handling">
+        <title>Station handling</title>
+        <para>TODO</para>
+!Finclude/net/mac80211.h ieee80211_sta
+!Finclude/net/mac80211.h sta_notify_cmd
+!Finclude/net/mac80211.h ieee80211_find_sta
+!Finclude/net/mac80211.h ieee80211_find_sta_by_ifaddr
+!Finclude/net/mac80211.h ieee80211_sta_block_awake
       </chapter>
 
       <chapter id="hardware-scan-offload">
@@ -424,6 +454,28 @@
         <para>TBD</para>
 !Finclude/net/mac80211.h ieee80211_scan_completed
       </chapter>
+
+      <chapter id="aggregation">
+        <title>Aggregation</title>
+        <sect1>
+          <title>TX A-MPDU aggregation</title>
+!Pnet/mac80211/agg-tx.c TX A-MPDU aggregation
+!Cnet/mac80211/agg-tx.c
+        </sect1>
+        <sect1>
+          <title>RX A-MPDU aggregation</title>
+!Pnet/mac80211/agg-rx.c RX A-MPDU aggregation
+!Cnet/mac80211/agg-rx.c
+        </sect1>
+!Finclude/net/mac80211.h ieee80211_ampdu_mlme_action
+      </chapter>
+
+      <chapter id="smps">
+        <title>Spatial Multiplexing Powersave (SMPS)</title>
+!Pinclude/net/mac80211.h Spatial multiplexing power save
+!Finclude/net/mac80211.h ieee80211_request_smps
+!Finclude/net/mac80211.h ieee80211_smps_mode
+      </chapter>
     </part>
 
     <part id="rate-control">
@@ -435,9 +487,16 @@
          interface and how it relates to mac80211 and drivers.
         </para>
       </partintro>
-      <chapter id="dummy">
-        <title>dummy chapter</title>
+      <chapter id="ratecontrol-api">
+        <title>Rate Control API</title>
         <para>TBD</para>
+!Finclude/net/mac80211.h ieee80211_start_tx_ba_session
+!Finclude/net/mac80211.h ieee80211_start_tx_ba_cb_irqsafe
+!Finclude/net/mac80211.h ieee80211_stop_tx_ba_session
+!Finclude/net/mac80211.h ieee80211_stop_tx_ba_cb_irqsafe
+!Finclude/net/mac80211.h rate_control_changed
+!Finclude/net/mac80211.h ieee80211_tx_rate_control
+!Finclude/net/mac80211.h rate_control_send_low
       </chapter>
     </part>
 
@@ -485,6 +544,13 @@
         </sect1>
       </chapter>
 
+      <chapter id="aggregation-internals">
+        <title>Aggregation</title>
+!Fnet/mac80211/sta_info.h sta_ampdu_mlme
+!Fnet/mac80211/sta_info.h tid_ampdu_tx
+!Fnet/mac80211/sta_info.h tid_ampdu_rx
+      </chapter>
+
       <chapter id="synchronisation">
         <title>Synchronisation</title>
         <para>TBD</para>

drivers/net/wireless/ath/ar9170/usb.c

@@ -161,8 +161,7 @@ static void ar9170_usb_submit_urb(struct ar9170_usb *aru)
 static void ar9170_usb_tx_urb_complete_frame(struct urb *urb)
 {
 	struct sk_buff *skb = urb->context;
-	struct ar9170_usb *aru = (struct ar9170_usb *)
-	      usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
+	struct ar9170_usb *aru = usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
 
 	if (unlikely(!aru)) {
 		dev_kfree_skb_irq(skb);
@@ -219,8 +218,7 @@ free:
 static void ar9170_usb_rx_completed(struct urb *urb)
 {
 	struct sk_buff *skb = urb->context;
-	struct ar9170_usb *aru = (struct ar9170_usb *)
-		usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
+	struct ar9170_usb *aru = usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
 	int err;
 
 	if (!aru)

drivers/net/wireless/ath/ath.h

@@ -168,6 +168,8 @@ struct ath_common {
 	struct ath_regulatory regulatory;
 	const struct ath_ops *ops;
 	const struct ath_bus_ops *bus_ops;
+
+	bool btcoex_enabled;
 };
 
 struct sk_buff *ath_rxbuf_alloc(struct ath_common *common,

drivers/net/wireless/ath/ath5k/Kconfig

@@ -1,10 +1,12 @@
 config ATH5K
 	tristate "Atheros 5xxx wireless cards support"
-	depends on PCI && MAC80211
+	depends on (PCI || ATHEROS_AR231X) && MAC80211
 	select MAC80211_LEDS
 	select LEDS_CLASS
 	select NEW_LEDS
 	select AVERAGE
+	select ATH5K_AHB if (ATHEROS_AR231X && !PCI)
+	select ATH5K_PCI if (!ATHEROS_AR231X && PCI)
 	---help---
 	  This module adds support for wireless adapters based on
 	  Atheros 5xxx chipset.
@@ -38,3 +40,16 @@ config ATH5K_DEBUG
 
 	  modprobe ath5k debug=0x00000400
 
+config ATH5K_AHB
+	bool "Atheros 5xxx AHB bus support"
+	depends on (ATHEROS_AR231X && !PCI)
+	---help---
+	  This adds support for WiSoC type chipsets of the 5xxx Atheros
+	  family.
+
+config ATH5K_PCI
+	bool "Atheros 5xxx PCI bus support"
+	depends on (!ATHEROS_AR231X && PCI)
+	---help---
+	  This adds support for PCI type chipsets of the 5xxx Atheros
+	  family.

drivers/net/wireless/ath/ath5k/Makefile

@@ -15,4 +15,6 @@ ath5k-y				+= rfkill.o
 ath5k-y				+= ani.o
 ath5k-y				+= sysfs.o
 ath5k-$(CONFIG_ATH5K_DEBUG)	+= debug.o
+ath5k-$(CONFIG_ATH5K_AHB)	+= ahb.o
+ath5k-$(CONFIG_ATH5K_PCI)	+= pci.o
 obj-$(CONFIG_ATH5K)		+= ath5k.o

drivers/net/wireless/ath/ath5k/ahb.c

@@ -0,0 +1,219 @@
+/*
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
+ * Copyright (c) 2009 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (c) 2009 Imre Kaloz <kaloz@openwrt.org>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/nl80211.h>
+#include <linux/platform_device.h>
+#include <ar231x_platform.h>
+#include "ath5k.h"
+#include "debug.h"
+#include "base.h"
+#include "reg.h"
+#include "debug.h"
+
+/* return bus cachesize in 4B word units */
+static void ath5k_ahb_read_cachesize(struct ath_common *common, int *csz)
+{
+	*csz = L1_CACHE_BYTES >> 2;
+}
+
+bool ath5k_ahb_eeprom_read(struct ath_common *common, u32 off, u16 *data)
+{
+	struct ath5k_softc *sc = common->priv;
+	struct platform_device *pdev = to_platform_device(sc->dev);
+	struct ar231x_board_config *bcfg = pdev->dev.platform_data;
+	u16 *eeprom, *eeprom_end;
+
+
+
+	bcfg = pdev->dev.platform_data;
+	eeprom = (u16 *) bcfg->radio;
+	eeprom_end = ((void *) bcfg->config) + BOARD_CONFIG_BUFSZ;
+
+	eeprom += off;
+	if (eeprom > eeprom_end)
+		return -EINVAL;
+
+	*data = *eeprom;
+	return 0;
+}
+
+int ath5k_hw_read_srev(struct ath5k_hw *ah)
+{
+	struct ath5k_softc *sc = ah->ah_sc;
+	struct platform_device *pdev = to_platform_device(sc->dev);
+	struct ar231x_board_config *bcfg = pdev->dev.platform_data;
+	ah->ah_mac_srev = bcfg->devid;
+	return 0;
+}
+
+static const struct ath_bus_ops ath_ahb_bus_ops = {
+	.ath_bus_type = ATH_AHB,
+	.read_cachesize = ath5k_ahb_read_cachesize,
+	.eeprom_read = ath5k_ahb_eeprom_read,
+};
+
+/*Initialization*/
+static int ath_ahb_probe(struct platform_device *pdev)
+{
+	struct ar231x_board_config *bcfg = pdev->dev.platform_data;
+	struct ath5k_softc *sc;
+	struct ieee80211_hw *hw;
+	struct resource *res;
+	void __iomem *mem;
+	int irq;
+	int ret = 0;
+	u32 reg;
+
+	if (!pdev->dev.platform_data) {
+		dev_err(&pdev->dev, "no platform data specified\n");
+		ret = -EINVAL;
+		goto err_out;
+	}
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (res == NULL) {
+		dev_err(&pdev->dev, "no memory resource found\n");
+		ret = -ENXIO;
+		goto err_out;
+	}
+
+	mem = ioremap_nocache(res->start, res->end - res->start + 1);
+	if (mem == NULL) {
+		dev_err(&pdev->dev, "ioremap failed\n");
+		ret = -ENOMEM;
+		goto err_out;
+	}
+
+	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (res == NULL) {
+		dev_err(&pdev->dev, "no IRQ resource found\n");
+		ret = -ENXIO;
+		goto err_out;
+	}
+
+	irq = res->start;
+
+	hw = ieee80211_alloc_hw(sizeof(struct ath5k_softc), &ath5k_hw_ops);
+	if (hw == NULL) {
+		dev_err(&pdev->dev, "no memory for ieee80211_hw\n");
+		ret = -ENOMEM;
+		goto err_out;
+	}
+
+	sc = hw->priv;
+	sc->hw = hw;
+	sc->dev = &pdev->dev;
+	sc->iobase = mem;
+	sc->irq = irq;
+	sc->devid = bcfg->devid;
+
+	if (bcfg->devid >= AR5K_SREV_AR2315_R6) {
+		/* Enable WMAC AHB arbitration */
+		reg = __raw_readl((void __iomem *) AR5K_AR2315_AHB_ARB_CTL);
+		reg |= AR5K_AR2315_AHB_ARB_CTL_WLAN;
+		__raw_writel(reg, (void __iomem *) AR5K_AR2315_AHB_ARB_CTL);
+
+		/* Enable global WMAC swapping */
+		reg = __raw_readl((void __iomem *) AR5K_AR2315_BYTESWAP);
+		reg |= AR5K_AR2315_BYTESWAP_WMAC;
+		__raw_writel(reg, (void __iomem *) AR5K_AR2315_BYTESWAP);
+	} else {
+		/* Enable WMAC DMA access (assuming 5312 or 231x*/
+		/* TODO: check other platforms */
+		reg = __raw_readl((void __iomem *) AR5K_AR5312_ENABLE);
+		if (to_platform_device(sc->dev)->id == 0)
+			reg |= AR5K_AR5312_ENABLE_WLAN0;
+		else
+			reg |= AR5K_AR5312_ENABLE_WLAN1;
+		__raw_writel(reg, (void __iomem *) AR5K_AR5312_ENABLE);
+	}
+
+	ret = ath5k_init_softc(sc, &ath_ahb_bus_ops);
+	if (ret != 0) {
+		dev_err(&pdev->dev, "failed to attach device, err=%d\n", ret);
+		ret = -ENODEV;
+		goto err_free_hw;
+	}
+
+	platform_set_drvdata(pdev, hw);
+
+	return 0;
+
+ err_free_hw:
+	ieee80211_free_hw(hw);
+	platform_set_drvdata(pdev, NULL);
+ err_out:
+	return ret;
+}
+
+static int ath_ahb_remove(struct platform_device *pdev)
+{
+	struct ar231x_board_config *bcfg = pdev->dev.platform_data;
+	struct ieee80211_hw *hw = platform_get_drvdata(pdev);
+	struct ath5k_softc *sc;
+	u32 reg;
+
+	if (!hw)
+		return 0;
+
+	sc = hw->priv;
+
+	if (bcfg->devid >= AR5K_SREV_AR2315_R6) {
+		/* Disable WMAC AHB arbitration */
+		reg = __raw_readl((void __iomem *) AR5K_AR2315_AHB_ARB_CTL);
+		reg &= ~AR5K_AR2315_AHB_ARB_CTL_WLAN;
+		__raw_writel(reg, (void __iomem *) AR5K_AR2315_AHB_ARB_CTL);
+	} else {
+		/*Stop DMA access */
+		reg = __raw_readl((void __iomem *) AR5K_AR5312_ENABLE);
+		if (to_platform_device(sc->dev)->id == 0)
+			reg &= ~AR5K_AR5312_ENABLE_WLAN0;
+		else
+			reg &= ~AR5K_AR5312_ENABLE_WLAN1;
+		__raw_writel(reg, (void __iomem *) AR5K_AR5312_ENABLE);
+	}
+
+	ath5k_deinit_softc(sc);
+	platform_set_drvdata(pdev, NULL);
+
+	return 0;
+}
+
+static struct platform_driver ath_ahb_driver = {
+	.probe      = ath_ahb_probe,
+	.remove     = ath_ahb_remove,
+	.driver		= {
+		.name	= "ar231x-wmac",
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init
+ath5k_ahb_init(void)
+{
+	return platform_driver_register(&ath_ahb_driver);
+}
+
+static void __exit
+ath5k_ahb_exit(void)
+{
+	platform_driver_unregister(&ath_ahb_driver);
+}
+
+module_init(ath5k_ahb_init);
+module_exit(ath5k_ahb_exit);

drivers/net/wireless/ath/ath5k/ani.c

@@ -58,19 +58,19 @@ ath5k_ani_set_noise_immunity_level(struct ath5k_hw *ah, int level)
 {
 	/* TODO:
 	 * ANI documents suggest the following five levels to use, but the HAL
-	 * and ath9k use only use the last two levels, making this
+	 * and ath9k use only the last two levels, making this
 	 * essentially an on/off option. There *may* be a reason for this (???),
 	 * so i stick with the HAL version for now...
 	 */
 #if 0
-	static const s8 hi[] = { -18, -18, -16, -14, -12 };
 	static const s8 lo[] = { -52, -56, -60, -64, -70 };
+	static const s8 hi[] = { -18, -18, -16, -14, -12 };
 	static const s8 sz[] = { -34, -41, -48, -55, -62 };
 	static const s8 fr[] = { -70, -72, -75, -78, -80 };
 #else
-	static const s8 sz[] = { -55, -62 };
 	static const s8 lo[] = { -64, -70 };
 	static const s8 hi[] = { -14, -12 };
+	static const s8 sz[] = { -55, -62 };
 	static const s8 fr[] = { -78, -80 };
 #endif
 	if (level < 0 || level >= ARRAY_SIZE(sz)) {

drivers/net/wireless/ath/ath5k/ath5k.h

@@ -158,15 +158,6 @@
 #define AR5K_INI_RFGAIN_5GHZ		0
 #define AR5K_INI_RFGAIN_2GHZ		1
 
-/* TODO: Clean this up */
-#define AR5K_INI_VAL_11A		0
-#define AR5K_INI_VAL_11A_TURBO		1
-#define AR5K_INI_VAL_11B		2
-#define AR5K_INI_VAL_11G		3
-#define AR5K_INI_VAL_11G_TURBO		4
-#define AR5K_INI_VAL_XR			0
-#define AR5K_INI_VAL_MAX		5
-
 /*
  * Some tuneable values (these should be changeable by the user)
  * TODO: Make use of them and add more options OR use debug/configfs
@@ -222,42 +213,66 @@
 
 /* Initial values */
 #define	AR5K_INIT_CYCRSSI_THR1			2
-#define AR5K_INIT_TX_LATENCY			502
-#define AR5K_INIT_USEC				39
-#define AR5K_INIT_USEC_TURBO			79
-#define AR5K_INIT_USEC_32			31
-#define AR5K_INIT_SLOT_TIME			396
-#define AR5K_INIT_SLOT_TIME_TURBO		480
-#define AR5K_INIT_ACK_CTS_TIMEOUT		1024
-#define AR5K_INIT_ACK_CTS_TIMEOUT_TURBO		0x08000800
-#define AR5K_INIT_PROG_IFS			920
-#define AR5K_INIT_PROG_IFS_TURBO		960
-#define AR5K_INIT_EIFS				3440
-#define AR5K_INIT_EIFS_TURBO			6880
-#define AR5K_INIT_SIFS				560
-#define AR5K_INIT_SIFS_TURBO			480
+
+/* Tx retry limits */
 #define AR5K_INIT_SH_RETRY			10
 #define AR5K_INIT_LG_RETRY			AR5K_INIT_SH_RETRY
+/* For station mode */
 #define AR5K_INIT_SSH_RETRY			32
 #define AR5K_INIT_SLG_RETRY			AR5K_INIT_SSH_RETRY
 #define AR5K_INIT_TX_RETRY			10
 
-#define AR5K_INIT_TRANSMIT_LATENCY		(			\
-	(AR5K_INIT_TX_LATENCY << 14) | (AR5K_INIT_USEC_32 << 7) |	\
-	(AR5K_INIT_USEC)						\
-)
-#define AR5K_INIT_TRANSMIT_LATENCY_TURBO	(			\
-	(AR5K_INIT_TX_LATENCY << 14) | (AR5K_INIT_USEC_32 << 7) |	\
-	(AR5K_INIT_USEC_TURBO)						\
-)
-#define AR5K_INIT_PROTO_TIME_CNTRL		(			\
-	(AR5K_INIT_CARR_SENSE_EN << 26) | (AR5K_INIT_EIFS << 12) |	\
-	(AR5K_INIT_PROG_IFS)						\
-)
-#define AR5K_INIT_PROTO_TIME_CNTRL_TURBO	(			\
-	(AR5K_INIT_CARR_SENSE_EN << 26) | (AR5K_INIT_EIFS_TURBO << 12) | \
-	(AR5K_INIT_PROG_IFS_TURBO)					\
-)
+
+/* Slot time */
+#define AR5K_INIT_SLOT_TIME_TURBO		6
+#define AR5K_INIT_SLOT_TIME_DEFAULT		9
+#define	AR5K_INIT_SLOT_TIME_HALF_RATE		13
+#define	AR5K_INIT_SLOT_TIME_QUARTER_RATE	21
+#define	AR5K_INIT_SLOT_TIME_B			20
+#define AR5K_SLOT_TIME_MAX			0xffff
+
+/* SIFS */
+#define	AR5K_INIT_SIFS_TURBO			6
+/* XXX: 8 from initvals 10 from standard */
+#define	AR5K_INIT_SIFS_DEFAULT_BG		8
+#define	AR5K_INIT_SIFS_DEFAULT_A		16
+#define	AR5K_INIT_SIFS_HALF_RATE		32
+#define AR5K_INIT_SIFS_QUARTER_RATE		64
+
+/* Used to calculate tx time for non 5/10/40MHz
+ * operation */
+/* It's preamble time + signal time (16 + 4) */
+#define	AR5K_INIT_OFDM_PREAMPLE_TIME		20
+/* Preamble time for 40MHz (turbo) operation (min ?) */
+#define	AR5K_INIT_OFDM_PREAMBLE_TIME_MIN	14
+#define	AR5K_INIT_OFDM_SYMBOL_TIME		4
+#define	AR5K_INIT_OFDM_PLCP_BITS		22
+
+/* Rx latency for 5 and 10MHz operation (max ?) */
+#define AR5K_INIT_RX_LAT_MAX			63
+/* Tx latencies from initvals (5212 only but no problem
+ * because we only tweak them on 5212) */
+#define	AR5K_INIT_TX_LAT_A			54
+#define	AR5K_INIT_TX_LAT_BG			384
+/* Tx latency for 40MHz (turbo) operation (min ?) */
+#define	AR5K_INIT_TX_LAT_MIN			32
+/* Default Tx/Rx latencies (same for 5211)*/
+#define AR5K_INIT_TX_LATENCY_5210		54
+#define	AR5K_INIT_RX_LATENCY_5210		29
+
+/* Tx frame to Tx data start delay */
+#define AR5K_INIT_TXF2TXD_START_DEFAULT		14
+#define AR5K_INIT_TXF2TXD_START_DELAY_10MHZ	12
+#define AR5K_INIT_TXF2TXD_START_DELAY_5MHZ	13
+
+/* We need to increase PHY switch and agc settling time
+ * on turbo mode */
+#define	AR5K_SWITCH_SETTLING			5760
+#define	AR5K_SWITCH_SETTLING_TURBO		7168
+
+#define	AR5K_AGC_SETTLING			28
+/* 38 on 5210 but shouldn't matter */
+#define	AR5K_AGC_SETTLING_TURBO			37
 
 
 /* GENERIC CHIPSET DEFINITIONS */
@@ -304,12 +319,19 @@ struct ath5k_srev_name {
 #define AR5K_SREV_AR5311B	0x30 /* Spirit */
 #define AR5K_SREV_AR5211	0x40 /* Oahu */
 #define AR5K_SREV_AR5212	0x50 /* Venice */
+#define AR5K_SREV_AR5312_R2	0x52 /* AP31 */
 #define AR5K_SREV_AR5212_V4	0x54 /* ??? */
 #define AR5K_SREV_AR5213	0x55 /* ??? */
+#define AR5K_SREV_AR5312_R7	0x57 /* AP30 */
+#define AR5K_SREV_AR2313_R8	0x58 /* AP43 */
 #define AR5K_SREV_AR5213A	0x59 /* Hainan */
 #define AR5K_SREV_AR2413	0x78 /* Griffin lite */
 #define AR5K_SREV_AR2414	0x70 /* Griffin */
+#define AR5K_SREV_AR2315_R6 0x86 /* AP51-Light */
+#define AR5K_SREV_AR2315_R7 0x87 /* AP51-Full */
 #define AR5K_SREV_AR5424	0x90 /* Condor */
+#define AR5K_SREV_AR2317_R1 0x90 /* AP61-Light */
+#define AR5K_SREV_AR2317_R2 0x91 /* AP61-Full */
 #define AR5K_SREV_AR5413	0xa4 /* Eagle lite */
 #define AR5K_SREV_AR5414	0xa0 /* Eagle */
 #define AR5K_SREV_AR2415	0xb0 /* Talon */
@@ -405,12 +427,10 @@ struct ath5k_srev_name {
 
 enum ath5k_driver_mode {
 	AR5K_MODE_11A		=	0,
-	AR5K_MODE_11A_TURBO	=	1,
-	AR5K_MODE_11B		=	2,
-	AR5K_MODE_11G		=	3,
-	AR5K_MODE_11G_TURBO	=	4,
+	AR5K_MODE_11B		=	1,
+	AR5K_MODE_11G		=	2,
 	AR5K_MODE_XR		=	0,
-	AR5K_MODE_MAX		=	5
+	AR5K_MODE_MAX		=	3
 };
 
 enum ath5k_ant_mode {
@@ -424,6 +444,12 @@ enum ath5k_ant_mode {
 	AR5K_ANTMODE_MAX,
 };
 
+enum ath5k_bw_mode {
+	AR5K_BWMODE_DEFAULT	= 0,	/* 20MHz, default operation */
+	AR5K_BWMODE_5MHZ	= 1,	/* Quarter rate */
+	AR5K_BWMODE_10MHZ	= 2,	/* Half rate */
+	AR5K_BWMODE_40MHZ	= 3	/* Turbo */
+};
 
 /****************\
   TX DEFINITIONS
@@ -656,7 +682,6 @@ struct ath5k_gain {
 
 /* channel_flags */
 #define	CHANNEL_CW_INT	0x0008	/* Contention Window interference detected */
-#define	CHANNEL_TURBO	0x0010	/* Turbo Channel */
 #define	CHANNEL_CCK	0x0020	/* CCK channel */
 #define	CHANNEL_OFDM	0x0040	/* OFDM channel */
 #define	CHANNEL_2GHZ	0x0080	/* 2GHz channel. */
@@ -668,16 +693,10 @@ struct ath5k_gain {
 #define	CHANNEL_A	(CHANNEL_5GHZ|CHANNEL_OFDM)
 #define	CHANNEL_B	(CHANNEL_2GHZ|CHANNEL_CCK)
 #define	CHANNEL_G	(CHANNEL_2GHZ|CHANNEL_OFDM)
-#define	CHANNEL_T	(CHANNEL_5GHZ|CHANNEL_OFDM|CHANNEL_TURBO)
-#define	CHANNEL_TG	(CHANNEL_2GHZ|CHANNEL_OFDM|CHANNEL_TURBO)
-#define	CHANNEL_108A	CHANNEL_T
-#define	CHANNEL_108G	CHANNEL_TG
 #define	CHANNEL_X	(CHANNEL_5GHZ|CHANNEL_OFDM|CHANNEL_XR)
 
-#define	CHANNEL_ALL 	(CHANNEL_OFDM|CHANNEL_CCK|CHANNEL_2GHZ|CHANNEL_5GHZ| \
-		CHANNEL_TURBO)
+#define	CHANNEL_ALL	(CHANNEL_OFDM|CHANNEL_CCK|CHANNEL_2GHZ|CHANNEL_5GHZ)
 
-#define	CHANNEL_ALL_NOTURBO 	(CHANNEL_ALL & ~CHANNEL_TURBO)
 #define CHANNEL_MODES		CHANNEL_ALL
 
 /*
@@ -1026,7 +1045,6 @@ struct ath5k_hw {
 	enum ath5k_int		ah_imr;
 
 	struct ieee80211_channel *ah_current_channel;
-	bool			ah_turbo;
 	bool			ah_calibration;
 	bool			ah_single_chip;
 
@@ -1035,6 +1053,7 @@ struct ath5k_hw {
 	u32			ah_phy;
 	u32			ah_mac_srev;
 	u16			ah_mac_version;
+	u16			ah_mac_revision;
 	u16			ah_phy_revision;
 	u16			ah_radio_5ghz_revision;
 	u16			ah_radio_2ghz_revision;
@@ -1044,6 +1063,8 @@ struct ath5k_hw {
 
 	u32			ah_limit_tx_retries;
 	u8			ah_coverage_class;
+	bool			ah_ack_bitrate_high;
+	u8			ah_bwmode;
 
 	/* Antenna Control */
 	u32			ah_ant_ctl[AR5K_EEPROM_N_MODES][AR5K_ANT_MAX];
@@ -1132,36 +1153,50 @@ struct ath5k_hw {
 /*
  * Prototypes
  */
+extern const struct ieee80211_ops ath5k_hw_ops;
 
-/* Attach/Detach Functions */
-int ath5k_hw_attach(struct ath5k_softc *sc);
-void ath5k_hw_detach(struct ath5k_hw *ah);
+/* Initialization and detach functions */
+int ath5k_init_softc(struct ath5k_softc *sc, const struct ath_bus_ops *bus_ops);
+void ath5k_deinit_softc(struct ath5k_softc *sc);
+int ath5k_hw_init(struct ath5k_softc *sc);
+void ath5k_hw_deinit(struct ath5k_hw *ah);
 
 int ath5k_sysfs_register(struct ath5k_softc *sc);
 void ath5k_sysfs_unregister(struct ath5k_softc *sc);
 
+/*Chip id helper functions */
+const char *ath5k_chip_name(enum ath5k_srev_type type, u_int16_t val);
+int ath5k_hw_read_srev(struct ath5k_hw *ah);
+
 /* LED functions */
 int ath5k_init_leds(struct ath5k_softc *sc);
 void ath5k_led_enable(struct ath5k_softc *sc);
 void ath5k_led_off(struct ath5k_softc *sc);
 void ath5k_unregister_leds(struct ath5k_softc *sc);
 
+
 /* Reset Functions */
 int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial);
 int ath5k_hw_on_hold(struct ath5k_hw *ah);
 int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
-		   struct ieee80211_channel *channel, bool change_channel);
+	   struct ieee80211_channel *channel, bool fast, bool skip_pcu);
 int ath5k_hw_register_timeout(struct ath5k_hw *ah, u32 reg, u32 flag, u32 val,
 			      bool is_set);
 /* Power management functions */
 
+
+/* Clock rate related functions */
+unsigned int ath5k_hw_htoclock(struct ath5k_hw *ah, unsigned int usec);
+unsigned int ath5k_hw_clocktoh(struct ath5k_hw *ah, unsigned int clock);
+void ath5k_hw_set_clockrate(struct ath5k_hw *ah);
+
+
 /* DMA Related Functions */
 void ath5k_hw_start_rx_dma(struct ath5k_hw *ah);
-int ath5k_hw_stop_rx_dma(struct ath5k_hw *ah);
 u32 ath5k_hw_get_rxdp(struct ath5k_hw *ah);
-void ath5k_hw_set_rxdp(struct ath5k_hw *ah, u32 phys_addr);
+int ath5k_hw_set_rxdp(struct ath5k_hw *ah, u32 phys_addr);
 int ath5k_hw_start_tx_dma(struct ath5k_hw *ah, unsigned int queue);
-int ath5k_hw_stop_tx_dma(struct ath5k_hw *ah, unsigned int queue);
+int ath5k_hw_stop_beacon_queue(struct ath5k_hw *ah, unsigned int queue);
 u32 ath5k_hw_get_txdp(struct ath5k_hw *ah, unsigned int queue);
 int ath5k_hw_set_txdp(struct ath5k_hw *ah, unsigned int queue,
 				u32 phys_addr);
@@ -1171,38 +1206,43 @@ bool ath5k_hw_is_intr_pending(struct ath5k_hw *ah);
 int ath5k_hw_get_isr(struct ath5k_hw *ah, enum ath5k_int *interrupt_mask);
 enum ath5k_int ath5k_hw_set_imr(struct ath5k_hw *ah, enum ath5k_int new_mask);
 void ath5k_hw_update_mib_counters(struct ath5k_hw *ah);
+/* Init/Stop functions */
+void ath5k_hw_dma_init(struct ath5k_hw *ah);
+int ath5k_hw_dma_stop(struct ath5k_hw *ah);
 
 /* EEPROM access functions */
 int ath5k_eeprom_init(struct ath5k_hw *ah);
 void ath5k_eeprom_detach(struct ath5k_hw *ah);
 int ath5k_eeprom_read_mac(struct ath5k_hw *ah, u8 *mac);
 
+
 /* Protocol Control Unit Functions */
+/* Helpers */
+int ath5k_hw_get_frame_duration(struct ath5k_hw *ah,
+		int len, struct ieee80211_rate *rate);
+unsigned int ath5k_hw_get_default_slottime(struct ath5k_hw *ah);
+unsigned int ath5k_hw_get_default_sifs(struct ath5k_hw *ah);
 extern int ath5k_hw_set_opmode(struct ath5k_hw *ah, enum nl80211_iftype opmode);
 void ath5k_hw_set_coverage_class(struct ath5k_hw *ah, u8 coverage_class);
-/* BSSID Functions */
+/* RX filter control*/
 int ath5k_hw_set_lladdr(struct ath5k_hw *ah, const u8 *mac);
 void ath5k_hw_set_bssid(struct ath5k_hw *ah);
 void ath5k_hw_set_bssid_mask(struct ath5k_hw *ah, const u8 *mask);
-/* Receive start/stop functions */
-void ath5k_hw_start_rx_pcu(struct ath5k_hw *ah);
-void ath5k_hw_stop_rx_pcu(struct ath5k_hw *ah);
-/* RX Filter functions */
 void ath5k_hw_set_mcast_filter(struct ath5k_hw *ah, u32 filter0, u32 filter1);
 u32 ath5k_hw_get_rx_filter(struct ath5k_hw *ah);
 void ath5k_hw_set_rx_filter(struct ath5k_hw *ah, u32 filter);
+/* Receive (DRU) start/stop functions */
+void ath5k_hw_start_rx_pcu(struct ath5k_hw *ah);
+void ath5k_hw_stop_rx_pcu(struct ath5k_hw *ah);
 /* Beacon control functions */
 u64 ath5k_hw_get_tsf64(struct ath5k_hw *ah);
 void ath5k_hw_set_tsf64(struct ath5k_hw *ah, u64 tsf64);
 void ath5k_hw_reset_tsf(struct ath5k_hw *ah);
 void ath5k_hw_init_beacon(struct ath5k_hw *ah, u32 next_beacon, u32 interval);
 bool ath5k_hw_check_beacon_timers(struct ath5k_hw *ah, int intval);
-/* ACK bit rate */
-void ath5k_hw_set_ack_bitrate_high(struct ath5k_hw *ah, bool high);
-/* Clock rate related functions */
-unsigned int ath5k_hw_htoclock(struct ath5k_hw *ah, unsigned int usec);
-unsigned int ath5k_hw_clocktoh(struct ath5k_hw *ah, unsigned int clock);
-void ath5k_hw_set_clockrate(struct ath5k_hw *ah);
+/* Init function */
+void ath5k_hw_pcu_init(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
+								u8 mode);
 
 /* Queue Control Unit, DFS Control Unit Functions */
 int ath5k_hw_get_tx_queueprops(struct ath5k_hw *ah, int queue,
@@ -1215,7 +1255,9 @@ int ath5k_hw_setup_tx_queue(struct ath5k_hw *ah,
 u32 ath5k_hw_num_tx_pending(struct ath5k_hw *ah, unsigned int queue);
 void ath5k_hw_release_tx_queue(struct ath5k_hw *ah, unsigned int queue);
 int ath5k_hw_reset_tx_queue(struct ath5k_hw *ah, unsigned int queue);
-int ath5k_hw_set_slot_time(struct ath5k_hw *ah, unsigned int slot_time);
+int ath5k_hw_set_ifs_intervals(struct ath5k_hw *ah, unsigned int slot_time);
+/* Init function */
+int ath5k_hw_init_queues(struct ath5k_hw *ah);
 
 /* Hardware Descriptor Functions */
 int ath5k_hw_init_desc_functions(struct ath5k_hw *ah);
@@ -1225,6 +1267,7 @@ int ath5k_hw_setup_mrr_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc,
 	unsigned int tx_rate1, u_int tx_tries1, u_int tx_rate2,
 	u_int tx_tries2, unsigned int tx_rate3, u_int tx_tries3);
 
+
 /* GPIO Functions */
 void ath5k_hw_set_ledstate(struct ath5k_hw *ah, unsigned int state);
 int ath5k_hw_set_gpio_input(struct ath5k_hw *ah, u32 gpio);
@@ -1234,11 +1277,13 @@ int ath5k_hw_set_gpio(struct ath5k_hw *ah, u32 gpio, u32 val);
 void ath5k_hw_set_gpio_intr(struct ath5k_hw *ah, unsigned int gpio,
 			    u32 interrupt_level);
 
-/* rfkill Functions */
+
+/* RFkill Functions */
 void ath5k_rfkill_hw_start(struct ath5k_hw *ah);
 void ath5k_rfkill_hw_stop(struct ath5k_hw *ah);
 
-/* Misc functions */
+
+/* Misc functions TODO: Cleanup */
 int ath5k_hw_set_capabilities(struct ath5k_hw *ah);
 int ath5k_hw_get_capability(struct ath5k_hw *ah,
 			    enum ath5k_capability_type cap_type, u32 capability,
@@ -1246,19 +1291,20 @@ int ath5k_hw_get_capability(struct ath5k_hw *ah,
 int ath5k_hw_enable_pspoll(struct ath5k_hw *ah, u8 *bssid, u16 assoc_id);
 int ath5k_hw_disable_pspoll(struct ath5k_hw *ah);
 
+
 /* Initial register settings functions */
 int ath5k_hw_write_initvals(struct ath5k_hw *ah, u8 mode, bool change_channel);
 
-/* Initialize RF */
-int ath5k_hw_rfregs_init(struct ath5k_hw *ah,
-			 struct ieee80211_channel *channel,
-			 unsigned int mode);
-int ath5k_hw_rfgain_init(struct ath5k_hw *ah, unsigned int freq);
+
+/* PHY functions */
+/* Misc PHY functions */
+u16 ath5k_hw_radio_revision(struct ath5k_hw *ah, unsigned int chan);
+int ath5k_hw_phy_disable(struct ath5k_hw *ah);
+/* Gain_F optimization */
 enum ath5k_rfgain ath5k_hw_gainf_calibrate(struct ath5k_hw *ah);
 int ath5k_hw_rfgain_opt_init(struct ath5k_hw *ah);
 /* PHY/RF channel functions */
 bool ath5k_channel_ok(struct ath5k_hw *ah, u16 freq, unsigned int flags);
-int ath5k_hw_channel(struct ath5k_hw *ah, struct ieee80211_channel *channel);
 /* PHY calibration */
 void ath5k_hw_init_nfcal_hist(struct ath5k_hw *ah);
 int ath5k_hw_phy_calibrate(struct ath5k_hw *ah,
@@ -1267,18 +1313,14 @@ void ath5k_hw_update_noise_floor(struct ath5k_hw *ah);
 /* Spur mitigation */
 bool ath5k_hw_chan_has_spur_noise(struct ath5k_hw *ah,
 				  struct ieee80211_channel *channel);
-void ath5k_hw_set_spur_mitigation_filter(struct ath5k_hw *ah,
-					 struct ieee80211_channel *channel);
-/* Misc PHY functions */
-u16 ath5k_hw_radio_revision(struct ath5k_hw *ah, unsigned int chan);
-int ath5k_hw_phy_disable(struct ath5k_hw *ah);
 /* Antenna control */
 void ath5k_hw_set_antenna_mode(struct ath5k_hw *ah, u8 ant_mode);
 void ath5k_hw_set_antenna_switch(struct ath5k_hw *ah, u8 ee_mode);
 /* TX power setup */
-int ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel,
-		     u8 ee_mode, u8 txpower);
 int ath5k_hw_set_txpower_limit(struct ath5k_hw *ah, u8 txpower);
+/* Init function */
+int ath5k_hw_phy_init(struct ath5k_hw *ah, struct ieee80211_channel *channel,
+				u8 mode, u8 ee_mode, u8 freq, bool fast);
 
 /*
  * Functions used internaly
@@ -1294,6 +1336,32 @@ static inline struct ath_regulatory *ath5k_hw_regulatory(struct ath5k_hw *ah)
         return &(ath5k_hw_common(ah)->regulatory);
 }
 
+#ifdef CONFIG_ATHEROS_AR231X
+#define AR5K_AR2315_PCI_BASE	((void __iomem *)0xb0100000)
+
+static inline void __iomem *ath5k_ahb_reg(struct ath5k_hw *ah, u16 reg)
+{
+	/* On AR2315 and AR2317 the PCI clock domain registers
+	 * are outside of the WMAC register space */
+	if (unlikely((reg >= 0x4000) && (reg < 0x5000) &&
+		(ah->ah_mac_srev >= AR5K_SREV_AR2315_R6)))
+		return AR5K_AR2315_PCI_BASE + reg;
+
+	return ah->ah_iobase + reg;
+}
+
+static inline u32 ath5k_hw_reg_read(struct ath5k_hw *ah, u16 reg)
+{
+	return __raw_readl(ath5k_ahb_reg(ah, reg));
+}
+
+static inline void ath5k_hw_reg_write(struct ath5k_hw *ah, u32 val, u16 reg)
+{
+	__raw_writel(val, ath5k_ahb_reg(ah, reg));
+}
+
+#else
+
 static inline u32 ath5k_hw_reg_read(struct ath5k_hw *ah, u16 reg)
 {
 	return ioread32(ah->ah_iobase + reg);
@@ -1304,6 +1372,24 @@ static inline void ath5k_hw_reg_write(struct ath5k_hw *ah, u32 val, u16 reg)
 	iowrite32(val, ah->ah_iobase + reg);
 }
 
+#endif
+
+static inline enum ath_bus_type ath5k_get_bus_type(struct ath5k_hw *ah)
+{
+	return ath5k_hw_common(ah)->bus_ops->ath_bus_type;
+}
+
+static inline void ath5k_read_cachesize(struct ath_common *common, int *csz)
+{
+	common->bus_ops->read_cachesize(common, csz);
+}
+
+static inline bool ath5k_hw_nvram_read(struct ath5k_hw *ah, u32 off, u16 *data)
+{
+	struct ath_common *common = ath5k_hw_common(ah);
+	return common->bus_ops->eeprom_read(common, off, data);
+}
+
 static inline u32 ath5k_hw_bitswap(u32 val, unsigned int bits)
 {
 	u32 retval = 0, bit, i;

drivers/net/wireless/ath/ath5k/attach.c

@@ -93,16 +93,16 @@ static int ath5k_hw_post(struct ath5k_hw *ah)
 }
 
 /**
- * ath5k_hw_attach - Check if hw is supported and init the needed structs
+ * ath5k_hw_init - Check if hw is supported and init the needed structs
  *
- * @sc: The &struct ath5k_softc we got from the driver's attach function
+ * @sc: The &struct ath5k_softc we got from the driver's init_softc function
  *
  * Check if the device is supported, perform a POST and initialize the needed
  * structs. Returns -ENOMEM if we don't have memory for the needed structs,
  * -ENODEV if the device is not supported or prints an error msg if something
  * else went wrong.
  */
-int ath5k_hw_attach(struct ath5k_softc *sc)
+int ath5k_hw_init(struct ath5k_softc *sc)
 {
 	struct ath5k_hw *ah = sc->ah;
 	struct ath_common *common = ath5k_hw_common(ah);
@@ -115,7 +115,7 @@ int ath5k_hw_attach(struct ath5k_softc *sc)
 	 * HW information
 	 */
 	ah->ah_radar.r_enabled = AR5K_TUNE_RADAR_ALERT;
-	ah->ah_turbo = false;
+	ah->ah_bwmode = AR5K_BWMODE_DEFAULT;
 	ah->ah_txpower.txp_tpc = AR5K_TUNE_TPC_TXPOWER;
 	ah->ah_imr = 0;
 	ah->ah_limit_tx_retries = AR5K_INIT_TX_RETRY;
@@ -128,7 +128,8 @@ int ath5k_hw_attach(struct ath5k_softc *sc)
 	/*
 	 * Find the mac version
 	 */
-	srev = ath5k_hw_reg_read(ah, AR5K_SREV);
+	ath5k_hw_read_srev(ah);
+	srev = ah->ah_mac_srev;
 	if (srev < AR5K_SREV_AR5311)
 		ah->ah_version = AR5K_AR5210;
 	else if (srev < AR5K_SREV_AR5212)
@@ -136,6 +137,10 @@ int ath5k_hw_attach(struct ath5k_softc *sc)
 	else
 		ah->ah_version = AR5K_AR5212;
 
+	/* Get the MAC revision */
+	ah->ah_mac_version = AR5K_REG_MS(srev, AR5K_SREV_VER);
+	ah->ah_mac_revision = AR5K_REG_MS(srev, AR5K_SREV_REV);
+
 	/* Fill the ath5k_hw struct with the needed functions */
 	ret = ath5k_hw_init_desc_functions(ah);
 	if (ret)
@@ -146,9 +151,7 @@ int ath5k_hw_attach(struct ath5k_softc *sc)
 	if (ret)
 		goto err;
 
-	/* Get MAC, PHY and RADIO revisions */
-	ah->ah_mac_srev = srev;
-	ah->ah_mac_version = AR5K_REG_MS(srev, AR5K_SREV_VER);
+	/* Get PHY and RADIO revisions */
 	ah->ah_phy_revision = ath5k_hw_reg_read(ah, AR5K_PHY_CHIP_ID) &
 			0xffffffff;
 	ah->ah_radio_5ghz_revision = ath5k_hw_radio_revision(ah,
@@ -273,7 +276,7 @@ int ath5k_hw_attach(struct ath5k_softc *sc)
 	/*
 	 * Write PCI-E power save settings
 	 */
-	if ((ah->ah_version == AR5K_AR5212) && (pdev->is_pcie)) {
+	if ((ah->ah_version == AR5K_AR5212) && pdev && (pdev->is_pcie)) {
 		ath5k_hw_reg_write(ah, 0x9248fc00, AR5K_PCIE_SERDES);
 		ath5k_hw_reg_write(ah, 0x24924924, AR5K_PCIE_SERDES);
 
@@ -305,8 +308,7 @@ int ath5k_hw_attach(struct ath5k_softc *sc)
 	/* Get misc capabilities */
 	ret = ath5k_hw_set_capabilities(ah);
 	if (ret) {
-		ATH5K_ERR(sc, "unable to get device capabilities: 0x%04x\n",
-			sc->pdev->device);
+		ATH5K_ERR(sc, "unable to get device capabilities\n");
 		goto err;
 	}
 
@@ -346,11 +348,11 @@ err:
 }
 
 /**
- * ath5k_hw_detach - Free the ath5k_hw struct
+ * ath5k_hw_deinit - Free the ath5k_hw struct
  *
  * @ah: The &struct ath5k_hw
  */
-void ath5k_hw_detach(struct ath5k_hw *ah)
+void ath5k_hw_deinit(struct ath5k_hw *ah)
 {
 	__set_bit(ATH_STAT_INVALID, ah->ah_sc->status);
 

drivers/net/wireless/ath/ath5k/base.c

@@ -47,8 +47,6 @@
 #include <linux/io.h>
 #include <linux/netdevice.h>
 #include <linux/cache.h>
-#include <linux/pci.h>
-#include <linux/pci-aspm.h>
 #include <linux/ethtool.h>
 #include <linux/uaccess.h>
 #include <linux/slab.h>
@@ -80,37 +78,24 @@ MODULE_SUPPORTED_DEVICE("Atheros 5xxx WLAN cards");
 MODULE_LICENSE("Dual BSD/GPL");
 MODULE_VERSION("0.6.0 (EXPERIMENTAL)");
 
-static int ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan);
+static int ath5k_init(struct ieee80211_hw *hw);
+static int ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan,
+								bool skip_pcu);
 static int ath5k_beacon_update(struct ieee80211_hw *hw,
 		struct ieee80211_vif *vif);
 static void ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf);
 
-/* Known PCI ids */
-static DEFINE_PCI_DEVICE_TABLE(ath5k_pci_id_table) = {
-	{ PCI_VDEVICE(ATHEROS, 0x0207) }, /* 5210 early */
-	{ PCI_VDEVICE(ATHEROS, 0x0007) }, /* 5210 */
-	{ PCI_VDEVICE(ATHEROS, 0x0011) }, /* 5311 - this is on AHB bus !*/
-	{ PCI_VDEVICE(ATHEROS, 0x0012) }, /* 5211 */
-	{ PCI_VDEVICE(ATHEROS, 0x0013) }, /* 5212 */
-	{ PCI_VDEVICE(3COM_2,  0x0013) }, /* 3com 5212 */
-	{ PCI_VDEVICE(3COM,    0x0013) }, /* 3com 3CRDAG675 5212 */
-	{ PCI_VDEVICE(ATHEROS, 0x1014) }, /* IBM minipci 5212 */
-	{ PCI_VDEVICE(ATHEROS, 0x0014) }, /* 5212 combatible */
-	{ PCI_VDEVICE(ATHEROS, 0x0015) }, /* 5212 combatible */
-	{ PCI_VDEVICE(ATHEROS, 0x0016) }, /* 5212 combatible */
-	{ PCI_VDEVICE(ATHEROS, 0x0017) }, /* 5212 combatible */
-	{ PCI_VDEVICE(ATHEROS, 0x0018) }, /* 5212 combatible */
-	{ PCI_VDEVICE(ATHEROS, 0x0019) }, /* 5212 combatible */
-	{ PCI_VDEVICE(ATHEROS, 0x001a) }, /* 2413 Griffin-lite */
-	{ PCI_VDEVICE(ATHEROS, 0x001b) }, /* 5413 Eagle */
-	{ PCI_VDEVICE(ATHEROS, 0x001c) }, /* PCI-E cards */
-	{ PCI_VDEVICE(ATHEROS, 0x001d) }, /* 2417 Nala */
-	{ 0 }
-};
-MODULE_DEVICE_TABLE(pci, ath5k_pci_id_table);
-
 /* Known SREVs */
 static const struct ath5k_srev_name srev_names[] = {
+#ifdef CONFIG_ATHEROS_AR231X
+	{ "5312",	AR5K_VERSION_MAC,	AR5K_SREV_AR5312_R2 },
+	{ "5312",	AR5K_VERSION_MAC,	AR5K_SREV_AR5312_R7 },
+	{ "2313",	AR5K_VERSION_MAC,	AR5K_SREV_AR2313_R8 },
+	{ "2315",	AR5K_VERSION_MAC,	AR5K_SREV_AR2315_R6 },
+	{ "2315",	AR5K_VERSION_MAC,	AR5K_SREV_AR2315_R7 },
+	{ "2317",	AR5K_VERSION_MAC,	AR5K_SREV_AR2317_R1 },
+	{ "2317",	AR5K_VERSION_MAC,	AR5K_SREV_AR2317_R2 },
+#else
 	{ "5210",	AR5K_VERSION_MAC,	AR5K_SREV_AR5210 },
 	{ "5311",	AR5K_VERSION_MAC,	AR5K_SREV_AR5311 },
 	{ "5311A",	AR5K_VERSION_MAC,	AR5K_SREV_AR5311A },
@@ -129,6 +114,7 @@ static const struct ath5k_srev_name srev_names[] = {
 	{ "5418",	AR5K_VERSION_MAC,	AR5K_SREV_AR5418 },
 	{ "2425",	AR5K_VERSION_MAC,	AR5K_SREV_AR2425 },
 	{ "2417",	AR5K_VERSION_MAC,	AR5K_SREV_AR2417 },
+#endif
 	{ "xxxxx",	AR5K_VERSION_MAC,	AR5K_SREV_UNKNOWN },
 	{ "5110",	AR5K_VERSION_RAD,	AR5K_SREV_RAD_5110 },
 	{ "5111",	AR5K_VERSION_RAD,	AR5K_SREV_RAD_5111 },
@@ -142,10 +128,12 @@ static const struct ath5k_srev_name srev_names[] = {
 	{ "2112B",	AR5K_VERSION_RAD,	AR5K_SREV_RAD_2112B },
 	{ "2413",	AR5K_VERSION_RAD,	AR5K_SREV_RAD_2413 },
 	{ "5413",	AR5K_VERSION_RAD,	AR5K_SREV_RAD_5413 },
-	{ "2316",	AR5K_VERSION_RAD,	AR5K_SREV_RAD_2316 },
-	{ "2317",	AR5K_VERSION_RAD,	AR5K_SREV_RAD_2317 },
 	{ "5424",	AR5K_VERSION_RAD,	AR5K_SREV_RAD_5424 },
 	{ "5133",	AR5K_VERSION_RAD,	AR5K_SREV_RAD_5133 },
+#ifdef CONFIG_ATHEROS_AR231X
+	{ "2316",	AR5K_VERSION_RAD,	AR5K_SREV_RAD_2316 },
+	{ "2317",	AR5K_VERSION_RAD,	AR5K_SREV_RAD_2317 },
+#endif
 	{ "xxxxx",	AR5K_VERSION_RAD,	AR5K_SREV_UNKNOWN },
 };
 
@@ -197,8 +185,8 @@ static inline void ath5k_txbuf_free_skb(struct ath5k_softc *sc,
 	BUG_ON(!bf);
 	if (!bf->skb)
 		return;
-	pci_unmap_single(sc->pdev, bf->skbaddr, bf->skb->len,
-			PCI_DMA_TODEVICE);
+	dma_unmap_single(sc->dev, bf->skbaddr, bf->skb->len,
+			DMA_TO_DEVICE);
 	dev_kfree_skb_any(bf->skb);
 	bf->skb = NULL;
 	bf->skbaddr = 0;
@@ -214,8 +202,8 @@ static inline void ath5k_rxbuf_free_skb(struct ath5k_softc *sc,
 	BUG_ON(!bf);
 	if (!bf->skb)
 		return;
-	pci_unmap_single(sc->pdev, bf->skbaddr, common->rx_bufsize,
-			PCI_DMA_FROMDEVICE);
+	dma_unmap_single(sc->dev, bf->skbaddr, common->rx_bufsize,
+			DMA_FROM_DEVICE);
 	dev_kfree_skb_any(bf->skb);
 	bf->skb = NULL;
 	bf->skbaddr = 0;
@@ -233,7 +221,7 @@ static inline u64 ath5k_extend_tsf(struct ath5k_hw *ah, u32 rstamp)
 	return (tsf & ~0x7fff) | rstamp;
 }
 
-static const char *
+const char *
 ath5k_chip_name(enum ath5k_srev_type type, u_int16_t val)
 {
 	const char *name = "xxxxx";
@@ -327,14 +315,12 @@ ath5k_copy_channels(struct ath5k_hw *ah,
 
 	switch (mode) {
 	case AR5K_MODE_11A:
-	case AR5K_MODE_11A_TURBO:
 		/* 1..220, but 2GHz frequencies are filtered by check_channel */
 		size = 220 ;
 		chfreq = CHANNEL_5GHZ;
 		break;
 	case AR5K_MODE_11B:
 	case AR5K_MODE_11G:
-	case AR5K_MODE_11G_TURBO:
 		size = 26;
 		chfreq = CHANNEL_2GHZ;
 		break;
@@ -363,11 +349,6 @@ ath5k_copy_channels(struct ath5k_hw *ah,
 		case AR5K_MODE_11G:
 			channels[count].hw_value = chfreq | CHANNEL_OFDM;
 			break;
-		case AR5K_MODE_11A_TURBO:
-		case AR5K_MODE_11G_TURBO:
-			channels[count].hw_value = chfreq |
-				CHANNEL_OFDM | CHANNEL_TURBO;
-			break;
 		case AR5K_MODE_11B:
 			channels[count].hw_value = CHANNEL_B;
 		}
@@ -496,7 +477,7 @@ ath5k_chan_set(struct ath5k_softc *sc, struct ieee80211_channel *chan)
 	 * hardware at the new frequency, and then re-enable
 	 * the relevant bits of the h/w.
 	 */
-	return ath5k_reset(sc, chan);
+	return ath5k_reset(sc, chan, true);
 }
 
 static void
@@ -653,10 +634,11 @@ struct sk_buff *ath5k_rx_skb_alloc(struct ath5k_softc *sc, dma_addr_t *skb_addr)
 		return NULL;
 	}
 
-	*skb_addr = pci_map_single(sc->pdev,
+	*skb_addr = dma_map_single(sc->dev,
 				   skb->data, common->rx_bufsize,
-				   PCI_DMA_FROMDEVICE);
-	if (unlikely(pci_dma_mapping_error(sc->pdev, *skb_addr))) {
+				   DMA_FROM_DEVICE);
+
+	if (unlikely(dma_mapping_error(sc->dev, *skb_addr))) {
 		ATH5K_ERR(sc, "%s: DMA mapping failed\n", __func__);
 		dev_kfree_skb(skb);
 		return NULL;
@@ -752,8 +734,8 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf,
 	flags = AR5K_TXDESC_INTREQ | AR5K_TXDESC_CLRDMASK;
 
 	/* XXX endianness */
-	bf->skbaddr = pci_map_single(sc->pdev, skb->data, skb->len,
-			PCI_DMA_TODEVICE);
+	bf->skbaddr = dma_map_single(sc->dev, skb->data, skb->len,
+			DMA_TO_DEVICE);
 
 	rate = ieee80211_get_tx_rate(sc->hw, info);
 	if (!rate) {
@@ -833,7 +815,7 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf,
 
 	return 0;
 err_unmap:
-	pci_unmap_single(sc->pdev, bf->skbaddr, skb->len, PCI_DMA_TODEVICE);
+	dma_unmap_single(sc->dev, bf->skbaddr, skb->len, DMA_TO_DEVICE);
 	return ret;
 }
 
@@ -842,7 +824,7 @@ err_unmap:
 \*******************/
 
 static int
-ath5k_desc_alloc(struct ath5k_softc *sc, struct pci_dev *pdev)
+ath5k_desc_alloc(struct ath5k_softc *sc)
 {
 	struct ath5k_desc *ds;
 	struct ath5k_buf *bf;
@@ -853,7 +835,9 @@ ath5k_desc_alloc(struct ath5k_softc *sc, struct pci_dev *pdev)
 	/* allocate descriptors */
 	sc->desc_len = sizeof(struct ath5k_desc) *
 			(ATH_TXBUF + ATH_RXBUF + ATH_BCBUF + 1);
-	sc->desc = pci_alloc_consistent(pdev, sc->desc_len, &sc->desc_daddr);
+
+	sc->desc = dma_alloc_coherent(sc->dev, sc->desc_len,
+				&sc->desc_daddr, GFP_KERNEL);
 	if (sc->desc == NULL) {
 		ATH5K_ERR(sc, "can't allocate descriptors\n");
 		ret = -ENOMEM;
@@ -899,14 +883,14 @@ ath5k_desc_alloc(struct ath5k_softc *sc, struct pci_dev *pdev)
 
 	return 0;
 err_free:
-	pci_free_consistent(pdev, sc->desc_len, sc->desc, sc->desc_daddr);
+	dma_free_coherent(sc->dev, sc->desc_len, sc->desc, sc->desc_daddr);
 err:
 	sc->desc = NULL;
 	return ret;
 }
 
 static void
-ath5k_desc_free(struct ath5k_softc *sc, struct pci_dev *pdev)
+ath5k_desc_free(struct ath5k_softc *sc)
 {
 	struct ath5k_buf *bf;
 
@@ -918,7 +902,7 @@ ath5k_desc_free(struct ath5k_softc *sc, struct pci_dev *pdev)
 		ath5k_txbuf_free_skb(sc, bf);
 
 	/* Free memory associated with all descriptors */
-	pci_free_consistent(pdev, sc->desc_len, sc->desc, sc->desc_daddr);
+	dma_free_coherent(sc->dev, sc->desc_len, sc->desc, sc->desc_daddr);
 	sc->desc = NULL;
 	sc->desc_daddr = 0;
 
@@ -1063,62 +1047,44 @@ err:
 	return ret;
 }
 
+/**
+ * ath5k_drain_tx_buffs - Empty tx buffers
+ *
+ * @sc The &struct ath5k_softc
+ *
+ * Empty tx buffers from all queues in preparation
+ * of a reset or during shutdown.
+ *
+ * NB:	this assumes output has been stopped and
+ *	we do not need to block ath5k_tx_tasklet
+ */
 static void
-ath5k_txq_drainq(struct ath5k_softc *sc, struct ath5k_txq *txq)
+ath5k_drain_tx_buffs(struct ath5k_softc *sc)
 {
+	struct ath5k_txq *txq;
 	struct ath5k_buf *bf, *bf0;
+	int i;
 
-	/*
-	 * NB: this assumes output has been stopped and
-	 *     we do not need to block ath5k_tx_tasklet
-	 */
-	spin_lock_bh(&txq->lock);
-	list_for_each_entry_safe(bf, bf0, &txq->q, list) {
-		ath5k_debug_printtxbuf(sc, bf);
-
-		ath5k_txbuf_free_skb(sc, bf);
-
-		spin_lock_bh(&sc->txbuflock);
-		list_move_tail(&bf->list, &sc->txbuf);
-		sc->txbuf_len++;
-		txq->txq_len--;
-		spin_unlock_bh(&sc->txbuflock);
-	}
-	txq->link = NULL;
-	txq->txq_poll_mark = false;
-	spin_unlock_bh(&txq->lock);
-}
+	for (i = 0; i < ARRAY_SIZE(sc->txqs); i++) {
+		if (sc->txqs[i].setup) {
+			txq = &sc->txqs[i];
+			spin_lock_bh(&txq->lock);
+			list_for_each_entry_safe(bf, bf0, &txq->q, list) {
+				ath5k_debug_printtxbuf(sc, bf);
 
-/*
- * Drain the transmit queues and reclaim resources.
- */
-static void
-ath5k_txq_cleanup(struct ath5k_softc *sc)
-{
-	struct ath5k_hw *ah = sc->ah;
-	unsigned int i;
+				ath5k_txbuf_free_skb(sc, bf);
 
-	/* XXX return value */
-	if (likely(!test_bit(ATH_STAT_INVALID, sc->status))) {
-		/* don't touch the hardware if marked invalid */
-		ath5k_hw_stop_tx_dma(ah, sc->bhalq);
-		ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "beacon queue %x\n",
-			ath5k_hw_get_txdp(ah, sc->bhalq));
-		for (i = 0; i < ARRAY_SIZE(sc->txqs); i++)
-			if (sc->txqs[i].setup) {
-				ath5k_hw_stop_tx_dma(ah, sc->txqs[i].qnum);
-				ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "txq [%u] %x, "
-					"link %p\n",
-					sc->txqs[i].qnum,
-					ath5k_hw_get_txdp(ah,
-							sc->txqs[i].qnum),
-					sc->txqs[i].link);
+				spin_lock_bh(&sc->txbuflock);
+				list_move_tail(&bf->list, &sc->txbuf);
+				sc->txbuf_len++;
+				txq->txq_len--;
+				spin_unlock_bh(&sc->txbuflock);
 			}
+			txq->link = NULL;
+			txq->txq_poll_mark = false;
+			spin_unlock_bh(&txq->lock);
+		}
 	}
-
-	for (i = 0; i < ARRAY_SIZE(sc->txqs); i++)
-		if (sc->txqs[i].setup)
-			ath5k_txq_drainq(sc, &sc->txqs[i]);
 }
 
 static void
@@ -1178,16 +1144,19 @@ err:
 }
 
 /*
- * Disable the receive h/w in preparation for a reset.
+ * Disable the receive logic on PCU (DRU)
+ * In preparation for a shutdown.
+ *
+ * Note: Doesn't stop rx DMA, ath5k_hw_dma_stop
+ * does.
  */
 static void
 ath5k_rx_stop(struct ath5k_softc *sc)
 {
 	struct ath5k_hw *ah = sc->ah;
 
-	ath5k_hw_stop_rx_pcu(ah);	/* disable PCU */
 	ath5k_hw_set_rx_filter(ah, 0);	/* clear recv filter */
-	ath5k_hw_stop_rx_dma(ah);	/* disable DMA engine */
+	ath5k_hw_stop_rx_pcu(ah);	/* disable PCU */
 
 	ath5k_debug_printrxbuffs(sc, ah);
 }
@@ -1544,9 +1513,9 @@ ath5k_tasklet_rx(unsigned long data)
 			if (!next_skb)
 				goto next;
 
-			pci_unmap_single(sc->pdev, bf->skbaddr,
+			dma_unmap_single(sc->dev, bf->skbaddr,
 					 common->rx_bufsize,
-					 PCI_DMA_FROMDEVICE);
+					 DMA_FROM_DEVICE);
 
 			skb_put(skb, rs.rs_datalen);
 
@@ -1709,8 +1678,9 @@ ath5k_tx_processq(struct ath5k_softc *sc, struct ath5k_txq *txq)
 
 			skb = bf->skb;
 			bf->skb = NULL;
-			pci_unmap_single(sc->pdev, bf->skbaddr, skb->len,
-					PCI_DMA_TODEVICE);
+
+			dma_unmap_single(sc->dev, bf->skbaddr, skb->len,
+					DMA_TO_DEVICE);
 			ath5k_tx_frame_completed(sc, skb, &ts);
 		}
 
@@ -1764,12 +1734,13 @@ ath5k_beacon_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
 	u32 flags;
 	const int padsize = 0;
 
-	bf->skbaddr = pci_map_single(sc->pdev, skb->data, skb->len,
-			PCI_DMA_TODEVICE);
+	bf->skbaddr = dma_map_single(sc->dev, skb->data, skb->len,
+			DMA_TO_DEVICE);
 	ATH5K_DBG(sc, ATH5K_DEBUG_BEACON, "skb %p [data %p len %u] "
 			"skbaddr %llx\n", skb, skb->data, skb->len,
 			(unsigned long long)bf->skbaddr);
-	if (pci_dma_mapping_error(sc->pdev, bf->skbaddr)) {
+
+	if (dma_mapping_error(sc->dev, bf->skbaddr)) {
 		ATH5K_ERR(sc, "beacon DMA mapping failed\n");
 		return -EIO;
 	}
@@ -1821,7 +1792,7 @@ ath5k_beacon_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
 
 	return 0;
 err_unmap:
-	pci_unmap_single(sc->pdev, bf->skbaddr, skb->len, PCI_DMA_TODEVICE);
+	dma_unmap_single(sc->dev, bf->skbaddr, skb->len, DMA_TO_DEVICE);
 	return ret;
 }
 
@@ -1937,7 +1908,7 @@ ath5k_beacon_send(struct ath5k_softc *sc)
 	 * This should never fail since we check above that no frames
 	 * are still pending on the queue.
 	 */
-	if (unlikely(ath5k_hw_stop_tx_dma(ah, sc->bhalq))) {
+	if (unlikely(ath5k_hw_stop_beacon_queue(ah, sc->bhalq))) {
 		ATH5K_WARN(sc, "beacon queue %u didn't start/stop ?\n", sc->bhalq);
 		/* NB: hw still stops DMA, so proceed */
 	}
@@ -2106,7 +2077,7 @@ ath5k_beacon_config(struct ath5k_softc *sc)
 		} else
 			ath5k_beacon_update_timers(sc, -1);
 	} else {
-		ath5k_hw_stop_tx_dma(sc->ah, sc->bhalq);
+		ath5k_hw_stop_beacon_queue(sc->ah, sc->bhalq);
 	}
 
 	ath5k_hw_set_imr(ah, sc->imask);
@@ -2168,7 +2139,7 @@ ath5k_intr_calibration_poll(struct ath5k_hw *ah)
 	 * AR5K_REG_ENABLE_BITS(ah, AR5K_CR, AR5K_CR_SWI); */
 }
 
-static irqreturn_t
+irqreturn_t
 ath5k_intr(int irq, void *dev_id)
 {
 	struct ath5k_softc *sc = dev_id;
@@ -2177,7 +2148,8 @@ ath5k_intr(int irq, void *dev_id)
 	unsigned int counter = 1000;
 
 	if (unlikely(test_bit(ATH_STAT_INVALID, sc->status) ||
-				!ath5k_hw_is_intr_pending(ah)))
+		((ath5k_get_bus_type(ah) != ATH_AHB) &&
+				!ath5k_hw_is_intr_pending(ah))))
 		return IRQ_NONE;
 
 	do {
@@ -2243,6 +2215,10 @@ ath5k_intr(int irq, void *dev_id)
 				tasklet_schedule(&sc->rf_kill.toggleq);
 
 		}
+
+		if (ath5k_get_bus_type(ah) == ATH_AHB)
+			break;
+
 	} while (ath5k_hw_is_intr_pending(ah) && --counter > 0);
 
 	if (unlikely(!counter))
@@ -2342,7 +2318,7 @@ ath5k_tx_complete_poll_work(struct work_struct *work)
 	if (needreset) {
 		ATH5K_DBG(sc, ATH5K_DEBUG_RESET,
 			  "TX queues stuck, resetting\n");
-		ath5k_reset(sc, sc->curchan);
+		ath5k_reset(sc, NULL, true);
 	}
 
 	ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work,
@@ -2354,6 +2330,158 @@ ath5k_tx_complete_poll_work(struct work_struct *work)
 * Initialization routines *
 \*************************/
 
+int
+ath5k_init_softc(struct ath5k_softc *sc, const struct ath_bus_ops *bus_ops)
+{
+	struct ieee80211_hw *hw = sc->hw;
+	struct ath_common *common;
+	int ret;
+	int csz;
+
+	/* Initialize driver private data */
+	SET_IEEE80211_DEV(hw, sc->dev);
+	hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
+		    IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
+		    IEEE80211_HW_SIGNAL_DBM;
+
+	hw->wiphy->interface_modes =
+		BIT(NL80211_IFTYPE_AP) |
+		BIT(NL80211_IFTYPE_STATION) |
+		BIT(NL80211_IFTYPE_ADHOC) |
+		BIT(NL80211_IFTYPE_MESH_POINT);
+
+	hw->extra_tx_headroom = 2;
+	hw->channel_change_time = 5000;
+
+	/*
+	 * Mark the device as detached to avoid processing
+	 * interrupts until setup is complete.
+	 */
+	__set_bit(ATH_STAT_INVALID, sc->status);
+
+	sc->opmode = NL80211_IFTYPE_STATION;
+	sc->bintval = 1000;
+	mutex_init(&sc->lock);
+	spin_lock_init(&sc->rxbuflock);
+	spin_lock_init(&sc->txbuflock);
+	spin_lock_init(&sc->block);
+
+
+	/* Setup interrupt handler */
+	ret = request_irq(sc->irq, ath5k_intr, IRQF_SHARED, "ath", sc);
+	if (ret) {
+		ATH5K_ERR(sc, "request_irq failed\n");
+		goto err;
+	}
+
+	/* If we passed the test, malloc an ath5k_hw struct */
+	sc->ah = kzalloc(sizeof(struct ath5k_hw), GFP_KERNEL);
+	if (!sc->ah) {
+		ret = -ENOMEM;
+		ATH5K_ERR(sc, "out of memory\n");
+		goto err_irq;
+	}
+
+	sc->ah->ah_sc = sc;
+	sc->ah->ah_iobase = sc->iobase;
+	common = ath5k_hw_common(sc->ah);
+	common->ops = &ath5k_common_ops;
+	common->bus_ops = bus_ops;
+	common->ah = sc->ah;
+	common->hw = hw;
+	common->priv = sc;
+
+	/*
+	 * Cache line size is used to size and align various
+	 * structures used to communicate with the hardware.
+	 */
+	ath5k_read_cachesize(common, &csz);
+	common->cachelsz = csz << 2; /* convert to bytes */
+
+	spin_lock_init(&common->cc_lock);
+
+	/* Initialize device */
+	ret = ath5k_hw_init(sc);
+	if (ret)
+		goto err_free_ah;
+
+	/* set up multi-rate retry capabilities */
+	if (sc->ah->ah_version == AR5K_AR5212) {
+		hw->max_rates = 4;
+		hw->max_rate_tries = 11;
+	}
+
+	hw->vif_data_size = sizeof(struct ath5k_vif);
+
+	/* Finish private driver data initialization */
+	ret = ath5k_init(hw);
+	if (ret)
+		goto err_ah;
+
+	ATH5K_INFO(sc, "Atheros AR%s chip found (MAC: 0x%x, PHY: 0x%x)\n",
+			ath5k_chip_name(AR5K_VERSION_MAC, sc->ah->ah_mac_srev),
+					sc->ah->ah_mac_srev,
+					sc->ah->ah_phy_revision);
+
+	if (!sc->ah->ah_single_chip) {
+		/* Single chip radio (!RF5111) */
+		if (sc->ah->ah_radio_5ghz_revision &&
+			!sc->ah->ah_radio_2ghz_revision) {
+			/* No 5GHz support -> report 2GHz radio */
+			if (!test_bit(AR5K_MODE_11A,
+				sc->ah->ah_capabilities.cap_mode)) {
+				ATH5K_INFO(sc, "RF%s 2GHz radio found (0x%x)\n",
+					ath5k_chip_name(AR5K_VERSION_RAD,
+						sc->ah->ah_radio_5ghz_revision),
+						sc->ah->ah_radio_5ghz_revision);
+			/* No 2GHz support (5110 and some
+			 * 5Ghz only cards) -> report 5Ghz radio */
+			} else if (!test_bit(AR5K_MODE_11B,
+				sc->ah->ah_capabilities.cap_mode)) {
+				ATH5K_INFO(sc, "RF%s 5GHz radio found (0x%x)\n",
+					ath5k_chip_name(AR5K_VERSION_RAD,
+						sc->ah->ah_radio_5ghz_revision),
+						sc->ah->ah_radio_5ghz_revision);
+			/* Multiband radio */
+			} else {
+				ATH5K_INFO(sc, "RF%s multiband radio found"
+					" (0x%x)\n",
+					ath5k_chip_name(AR5K_VERSION_RAD,
+						sc->ah->ah_radio_5ghz_revision),
+						sc->ah->ah_radio_5ghz_revision);
+			}
+		}
+		/* Multi chip radio (RF5111 - RF2111) ->
+		 * report both 2GHz/5GHz radios */
+		else if (sc->ah->ah_radio_5ghz_revision &&
+				sc->ah->ah_radio_2ghz_revision){
+			ATH5K_INFO(sc, "RF%s 5GHz radio found (0x%x)\n",
+				ath5k_chip_name(AR5K_VERSION_RAD,
+					sc->ah->ah_radio_5ghz_revision),
+					sc->ah->ah_radio_5ghz_revision);
+			ATH5K_INFO(sc, "RF%s 2GHz radio found (0x%x)\n",
+				ath5k_chip_name(AR5K_VERSION_RAD,
+					sc->ah->ah_radio_2ghz_revision),
+					sc->ah->ah_radio_2ghz_revision);
+		}
+	}
+
+	ath5k_debug_init_device(sc);
+
+	/* ready to process interrupts */
+	__clear_bit(ATH_STAT_INVALID, sc->status);
+
+	return 0;
+err_ah:
+	ath5k_hw_deinit(sc->ah);
+err_free_ah:
+	kfree(sc->ah);
+err_irq:
+	free_irq(sc->irq, sc);
+err:
+	return ret;
+}
+
 static int
 ath5k_stop_locked(struct ath5k_softc *sc)
 {
@@ -2382,11 +2510,10 @@ ath5k_stop_locked(struct ath5k_softc *sc)
 	if (!test_bit(ATH_STAT_INVALID, sc->status)) {
 		ath5k_led_off(sc);
 		ath5k_hw_set_imr(ah, 0);
-		synchronize_irq(sc->pdev->irq);
-	}
-	ath5k_txq_cleanup(sc);
-	if (!test_bit(ATH_STAT_INVALID, sc->status)) {
+		synchronize_irq(sc->irq);
 		ath5k_rx_stop(sc);
+		ath5k_hw_dma_stop(ah);
+		ath5k_drain_tx_buffs(sc);
 		ath5k_hw_phy_disable(ah);
 	}
 
@@ -2394,7 +2521,7 @@ ath5k_stop_locked(struct ath5k_softc *sc)
 }
 
 static int
-ath5k_init(struct ath5k_softc *sc)
+ath5k_init_hw(struct ath5k_softc *sc)
 {
 	struct ath5k_hw *ah = sc->ah;
 	struct ath_common *common = ath5k_hw_common(ah);
@@ -2423,7 +2550,7 @@ ath5k_init(struct ath5k_softc *sc)
 		AR5K_INT_RXORN | AR5K_INT_TXDESC | AR5K_INT_TXEOL |
 		AR5K_INT_FATAL | AR5K_INT_GLOBAL | AR5K_INT_MIB;
 
-	ret = ath5k_reset(sc, NULL);
+	ret = ath5k_reset(sc, NULL, false);
 	if (ret)
 		goto done;
 
@@ -2436,7 +2563,9 @@ ath5k_init(struct ath5k_softc *sc)
 	for (i = 0; i < common->keymax; i++)
 		ath_hw_keyreset(common, (u16) i);
 
-	ath5k_hw_set_ack_bitrate_high(ah, true);
+	/* Use higher rates for acks instead of base
+	 * rate */
+	ah->ah_ack_bitrate_high = true;
 
 	for (i = 0; i < ARRAY_SIZE(sc->bslot); i++)
 		sc->bslot[i] = NULL;
@@ -2520,7 +2649,8 @@ ath5k_stop_hw(struct ath5k_softc *sc)
  * This should be called with sc->lock.
  */
 static int
-ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan)
+ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan,
+							bool skip_pcu)
 {
 	struct ath5k_hw *ah = sc->ah;
 	int ret;
@@ -2528,17 +2658,17 @@ ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan)
 	ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "resetting\n");
 
 	ath5k_hw_set_imr(ah, 0);
-	synchronize_irq(sc->pdev->irq);
+	synchronize_irq(sc->irq);
 	stop_tasklets(sc);
 
 	if (chan) {
-		ath5k_txq_cleanup(sc);
-		ath5k_rx_stop(sc);
+		ath5k_drain_tx_buffs(sc);
 
 		sc->curchan = chan;
 		sc->curband = &sc->sbands[chan->band];
 	}
-	ret = ath5k_hw_reset(ah, sc->opmode, sc->curchan, chan != NULL);
+	ret = ath5k_hw_reset(ah, sc->opmode, sc->curchan, chan != NULL,
+								skip_pcu);
 	if (ret) {
 		ATH5K_ERR(sc, "can't reset hardware (%d)\n", ret);
 		goto err;
@@ -2584,13 +2714,14 @@ static void ath5k_reset_work(struct work_struct *work)
 		reset_work);
 
 	mutex_lock(&sc->lock);
-	ath5k_reset(sc, sc->curchan);
+	ath5k_reset(sc, NULL, true);
 	mutex_unlock(&sc->lock);
 }
 
 static int
-ath5k_attach(struct pci_dev *pdev, struct ieee80211_hw *hw)
+ath5k_init(struct ieee80211_hw *hw)
 {
+
 	struct ath5k_softc *sc = hw->priv;
 	struct ath5k_hw *ah = sc->ah;
 	struct ath_regulatory *regulatory = ath5k_hw_regulatory(ah);
@@ -2598,7 +2729,6 @@ ath5k_attach(struct pci_dev *pdev, struct ieee80211_hw *hw)
 	u8 mac[ETH_ALEN] = {};
 	int ret;
 
-	ATH5K_DBG(sc, ATH5K_DEBUG_ANY, "devid 0x%x\n", pdev->device);
 
 	/*
 	 * Check if the MAC has multi-rate retry support.
@@ -2635,7 +2765,7 @@ ath5k_attach(struct pci_dev *pdev, struct ieee80211_hw *hw)
 	/*
 	 * Allocate tx+rx descriptors and populate the lists.
 	 */
-	ret = ath5k_desc_alloc(sc, pdev);
+	ret = ath5k_desc_alloc(sc);
 	if (ret) {
 		ATH5K_ERR(sc, "can't allocate descriptors\n");
 		goto err;
@@ -2699,8 +2829,7 @@ ath5k_attach(struct pci_dev *pdev, struct ieee80211_hw *hw)
 
 	ret = ath5k_eeprom_read_mac(ah, mac);
 	if (ret) {
-		ATH5K_ERR(sc, "unable to read address from EEPROM: 0x%04x\n",
-			sc->pdev->device);
+		ATH5K_ERR(sc, "unable to read address from EEPROM\n");
 		goto err_queues;
 	}
 
@@ -2735,15 +2864,15 @@ err_queues:
 err_bhal:
 	ath5k_hw_release_tx_queue(ah, sc->bhalq);
 err_desc:
-	ath5k_desc_free(sc, pdev);
+	ath5k_desc_free(sc);
 err:
 	return ret;
 }
 
-static void
-ath5k_detach(struct pci_dev *pdev, struct ieee80211_hw *hw)
+void
+ath5k_deinit_softc(struct ath5k_softc *sc)
 {
-	struct ath5k_softc *sc = hw->priv;
+	struct ieee80211_hw *hw = sc->hw;
 
 	/*
 	 * NB: the order of these is important:
@@ -2758,8 +2887,9 @@ ath5k_detach(struct pci_dev *pdev, struct ieee80211_hw *hw)
 	 * XXX: ??? detach ath5k_hw ???
 	 * Other than that, it's straightforward...
 	 */
+	ath5k_debug_finish_device(sc);
 	ieee80211_unregister_hw(hw);
-	ath5k_desc_free(sc, pdev);
+	ath5k_desc_free(sc);
 	ath5k_txq_release(sc);
 	ath5k_hw_release_tx_queue(sc->ah, sc->bhalq);
 	ath5k_unregister_leds(sc);
@@ -2770,6 +2900,8 @@ ath5k_detach(struct pci_dev *pdev, struct ieee80211_hw *hw)
 	 * returns because we'll get called back to reclaim node
 	 * state and potentially want to use them.
 	 */
+	ath5k_hw_deinit(sc->ah);
+	free_irq(sc->irq, sc);
 }
 
 /********************\
@@ -2792,7 +2924,7 @@ ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 
 static int ath5k_start(struct ieee80211_hw *hw)
 {
-	return ath5k_init(hw->priv);
+	return ath5k_init_hw(hw->priv);
 }
 
 static void ath5k_stop(struct ieee80211_hw *hw)
@@ -3437,7 +3569,7 @@ static int ath5k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
 	return 0;
 }
 
-static const struct ieee80211_ops ath5k_hw_ops = {
+const struct ieee80211_ops ath5k_hw_ops = {
 	.tx 		= ath5k_tx,
 	.start 		= ath5k_start,
 	.stop 		= ath5k_stop,
@@ -3460,340 +3592,3 @@ static const struct ieee80211_ops ath5k_hw_ops = {
 	.set_antenna	= ath5k_set_antenna,
 	.get_antenna	= ath5k_get_antenna,
 };
-
-/********************\
-* PCI Initialization *
-\********************/
-
-static int __devinit
-ath5k_pci_probe(struct pci_dev *pdev,
-		const struct pci_device_id *id)
-{
-	void __iomem *mem;
-	struct ath5k_softc *sc;
-	struct ath_common *common;
-	struct ieee80211_hw *hw;
-	int ret;
-	u8 csz;
-
-	/*
-	 * L0s needs to be disabled on all ath5k cards.
-	 *
-	 * For distributions shipping with CONFIG_PCIEASPM (this will be enabled
-	 * by default in the future in 2.6.36) this will also mean both L1 and
-	 * L0s will be disabled when a pre 1.1 PCIe device is detected. We do
-	 * know L1 works correctly even for all ath5k pre 1.1 PCIe devices
-	 * though but cannot currently undue the effect of a blacklist, for
-	 * details you can read pcie_aspm_sanity_check() and see how it adjusts
-	 * the device link capability.
-	 *
-	 * It may be possible in the future to implement some PCI API to allow
-	 * drivers to override blacklists for pre 1.1 PCIe but for now it is
-	 * best to accept that both L0s and L1 will be disabled completely for
-	 * distributions shipping with CONFIG_PCIEASPM rather than having this
-	 * issue present. Motivation for adding this new API will be to help
-	 * with power consumption for some of these devices.
-	 */
-	pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S);
-
-	ret = pci_enable_device(pdev);
-	if (ret) {
-		dev_err(&pdev->dev, "can't enable device\n");
-		goto err;
-	}
-
-	/* XXX 32-bit addressing only */
-	ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
-	if (ret) {
-		dev_err(&pdev->dev, "32-bit DMA not available\n");
-		goto err_dis;
-	}
-
-	/*
-	 * Cache line size is used to size and align various
-	 * structures used to communicate with the hardware.
-	 */
-	pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &csz);
-	if (csz == 0) {
-		/*
-		 * Linux 2.4.18 (at least) writes the cache line size
-		 * register as a 16-bit wide register which is wrong.
-		 * We must have this setup properly for rx buffer
-		 * DMA to work so force a reasonable value here if it
-		 * comes up zero.
-		 */
-		csz = L1_CACHE_BYTES >> 2;
-		pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, csz);
-	}
-	/*
-	 * The default setting of latency timer yields poor results,
-	 * set it to the value used by other systems.  It may be worth
-	 * tweaking this setting more.
-	 */
-	pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0xa8);
-
-	/* Enable bus mastering */
-	pci_set_master(pdev);
-
-	/*
-	 * Disable the RETRY_TIMEOUT register (0x41) to keep
-	 * PCI Tx retries from interfering with C3 CPU state.
-	 */
-	pci_write_config_byte(pdev, 0x41, 0);
-
-	ret = pci_request_region(pdev, 0, "ath5k");
-	if (ret) {
-		dev_err(&pdev->dev, "cannot reserve PCI memory region\n");
-		goto err_dis;
-	}
-
-	mem = pci_iomap(pdev, 0, 0);
-	if (!mem) {
-		dev_err(&pdev->dev, "cannot remap PCI memory region\n") ;
-		ret = -EIO;
-		goto err_reg;
-	}
-
-	/*
-	 * Allocate hw (mac80211 main struct)
-	 * and hw->priv (driver private data)
-	 */
-	hw = ieee80211_alloc_hw(sizeof(*sc), &ath5k_hw_ops);
-	if (hw == NULL) {
-		dev_err(&pdev->dev, "cannot allocate ieee80211_hw\n");
-		ret = -ENOMEM;
-		goto err_map;
-	}
-
-	dev_info(&pdev->dev, "registered as '%s'\n", wiphy_name(hw->wiphy));
-
-	/* Initialize driver private data */
-	SET_IEEE80211_DEV(hw, &pdev->dev);
-	hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
-		    IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
-		    IEEE80211_HW_SIGNAL_DBM;
-
-	hw->wiphy->interface_modes =
-		BIT(NL80211_IFTYPE_AP) |
-		BIT(NL80211_IFTYPE_STATION) |
-		BIT(NL80211_IFTYPE_ADHOC) |
-		BIT(NL80211_IFTYPE_MESH_POINT);
-
-	hw->extra_tx_headroom = 2;
-	hw->channel_change_time = 5000;
-	sc = hw->priv;
-	sc->hw = hw;
-	sc->pdev = pdev;
-
-	/*
-	 * Mark the device as detached to avoid processing
-	 * interrupts until setup is complete.
-	 */
-	__set_bit(ATH_STAT_INVALID, sc->status);
-
-	sc->iobase = mem; /* So we can unmap it on detach */
-	sc->opmode = NL80211_IFTYPE_STATION;
-	sc->bintval = 1000;
-	mutex_init(&sc->lock);
-	spin_lock_init(&sc->rxbuflock);
-	spin_lock_init(&sc->txbuflock);
-	spin_lock_init(&sc->block);
-
-	/* Set private data */
-	pci_set_drvdata(pdev, sc);
-
-	/* Setup interrupt handler */
-	ret = request_irq(pdev->irq, ath5k_intr, IRQF_SHARED, "ath", sc);
-	if (ret) {
-		ATH5K_ERR(sc, "request_irq failed\n");
-		goto err_free;
-	}
-
-	/* If we passed the test, malloc an ath5k_hw struct */
-	sc->ah = kzalloc(sizeof(struct ath5k_hw), GFP_KERNEL);
-	if (!sc->ah) {
-		ret = -ENOMEM;
-		ATH5K_ERR(sc, "out of memory\n");
-		goto err_irq;
-	}
-
-	sc->ah->ah_sc = sc;
-	sc->ah->ah_iobase = sc->iobase;
-	common = ath5k_hw_common(sc->ah);
-	common->ops = &ath5k_common_ops;
-	common->ah = sc->ah;
-	common->hw = hw;
-	common->cachelsz = csz << 2; /* convert to bytes */
-	spin_lock_init(&common->cc_lock);
-
-	/* Initialize device */
-	ret = ath5k_hw_attach(sc);
-	if (ret) {
-		goto err_free_ah;
-	}
-
-	/* set up multi-rate retry capabilities */
-	if (sc->ah->ah_version == AR5K_AR5212) {
-		hw->max_rates = 4;
-		hw->max_rate_tries = 11;
-	}
-
-	hw->vif_data_size = sizeof(struct ath5k_vif);
-
-	/* Finish private driver data initialization */
-	ret = ath5k_attach(pdev, hw);
-	if (ret)
-		goto err_ah;
-
-	ATH5K_INFO(sc, "Atheros AR%s chip found (MAC: 0x%x, PHY: 0x%x)\n",
-			ath5k_chip_name(AR5K_VERSION_MAC, sc->ah->ah_mac_srev),
-					sc->ah->ah_mac_srev,
-					sc->ah->ah_phy_revision);
-
-	if (!sc->ah->ah_single_chip) {
-		/* Single chip radio (!RF5111) */
-		if (sc->ah->ah_radio_5ghz_revision &&
-			!sc->ah->ah_radio_2ghz_revision) {
-			/* No 5GHz support -> report 2GHz radio */
-			if (!test_bit(AR5K_MODE_11A,
-				sc->ah->ah_capabilities.cap_mode)) {
-				ATH5K_INFO(sc, "RF%s 2GHz radio found (0x%x)\n",
-					ath5k_chip_name(AR5K_VERSION_RAD,
-						sc->ah->ah_radio_5ghz_revision),
-						sc->ah->ah_radio_5ghz_revision);
-			/* No 2GHz support (5110 and some
-			 * 5Ghz only cards) -> report 5Ghz radio */
-			} else if (!test_bit(AR5K_MODE_11B,
-				sc->ah->ah_capabilities.cap_mode)) {
-				ATH5K_INFO(sc, "RF%s 5GHz radio found (0x%x)\n",
-					ath5k_chip_name(AR5K_VERSION_RAD,
-						sc->ah->ah_radio_5ghz_revision),
-						sc->ah->ah_radio_5ghz_revision);
-			/* Multiband radio */
-			} else {
-				ATH5K_INFO(sc, "RF%s multiband radio found"
-					" (0x%x)\n",
-					ath5k_chip_name(AR5K_VERSION_RAD,
-						sc->ah->ah_radio_5ghz_revision),
-						sc->ah->ah_radio_5ghz_revision);
-			}
-		}
-		/* Multi chip radio (RF5111 - RF2111) ->
-		 * report both 2GHz/5GHz radios */
-		else if (sc->ah->ah_radio_5ghz_revision &&
-				sc->ah->ah_radio_2ghz_revision){
-			ATH5K_INFO(sc, "RF%s 5GHz radio found (0x%x)\n",
-				ath5k_chip_name(AR5K_VERSION_RAD,
-					sc->ah->ah_radio_5ghz_revision),
-					sc->ah->ah_radio_5ghz_revision);
-			ATH5K_INFO(sc, "RF%s 2GHz radio found (0x%x)\n",
-				ath5k_chip_name(AR5K_VERSION_RAD,
-					sc->ah->ah_radio_2ghz_revision),
-					sc->ah->ah_radio_2ghz_revision);
-		}
-	}
-
-	ath5k_debug_init_device(sc);
-
-	/* ready to process interrupts */
-	__clear_bit(ATH_STAT_INVALID, sc->status);
-
-	return 0;
-err_ah:
-	ath5k_hw_detach(sc->ah);
-err_free_ah:
-	kfree(sc->ah);
-err_irq:
-	free_irq(pdev->irq, sc);
-err_free:
-	ieee80211_free_hw(hw);
-err_map:
-	pci_iounmap(pdev, mem);
-err_reg:
-	pci_release_region(pdev, 0);
-err_dis:
-	pci_disable_device(pdev);
-err:
-	return ret;
-}
-
-static void __devexit
-ath5k_pci_remove(struct pci_dev *pdev)
-{
-	struct ath5k_softc *sc = pci_get_drvdata(pdev);
-
-	ath5k_debug_finish_device(sc);
-	ath5k_detach(pdev, sc->hw);
-	ath5k_hw_detach(sc->ah);
-	kfree(sc->ah);
-	free_irq(pdev->irq, sc);
-	pci_iounmap(pdev, sc->iobase);
-	pci_release_region(pdev, 0);
-	pci_disable_device(pdev);
-	ieee80211_free_hw(sc->hw);
-}
-
-#ifdef CONFIG_PM_SLEEP
-static int ath5k_pci_suspend(struct device *dev)
-{
-	struct ath5k_softc *sc = pci_get_drvdata(to_pci_dev(dev));
-
-	ath5k_led_off(sc);
-	return 0;
-}
-
-static int ath5k_pci_resume(struct device *dev)
-{
-	struct pci_dev *pdev = to_pci_dev(dev);
-	struct ath5k_softc *sc = pci_get_drvdata(pdev);
-
-	/*
-	 * Suspend/Resume resets the PCI configuration space, so we have to
-	 * re-disable the RETRY_TIMEOUT register (0x41) to keep
-	 * PCI Tx retries from interfering with C3 CPU state
-	 */
-	pci_write_config_byte(pdev, 0x41, 0);
-
-	ath5k_led_enable(sc);
-	return 0;
-}
-
-static SIMPLE_DEV_PM_OPS(ath5k_pm_ops, ath5k_pci_suspend, ath5k_pci_resume);
-#define ATH5K_PM_OPS	(&ath5k_pm_ops)
-#else
-#define ATH5K_PM_OPS	NULL
-#endif /* CONFIG_PM_SLEEP */
-
-static struct pci_driver ath5k_pci_driver = {
-	.name		= KBUILD_MODNAME,
-	.id_table	= ath5k_pci_id_table,
-	.probe		= ath5k_pci_probe,
-	.remove		= __devexit_p(ath5k_pci_remove),
-	.driver.pm	= ATH5K_PM_OPS,
-};
-
-/*
- * Module init/exit functions
- */
-static int __init
-init_ath5k_pci(void)
-{
-	int ret;
-
-	ret = pci_register_driver(&ath5k_pci_driver);
-	if (ret) {
-		printk(KERN_ERR "ath5k_pci: can't register pci driver\n");
-		return ret;
-	}
-
-	return 0;
-}
-
-static void __exit
-exit_ath5k_pci(void)
-{
-	pci_unregister_driver(&ath5k_pci_driver);
-}
-
-module_init(init_ath5k_pci);
-module_exit(exit_ath5k_pci);

drivers/net/wireless/ath/ath5k/base.h

@@ -169,7 +169,10 @@ struct ath5k_vif {
 /* Software Carrier, keeps track of the driver state
  * associated with an instance of a device */
 struct ath5k_softc {
-	struct pci_dev		*pdev;		/* for dma mapping */
+	struct pci_dev		*pdev;
+	struct device		*dev;		/* for dma mapping */
+	int irq;
+	u16 devid;
 	void __iomem		*iobase;	/* address of the device */
 	struct mutex		lock;		/* dev-level lock */
 	struct ieee80211_hw	*hw;		/* IEEE 802.11 common */

drivers/net/wireless/ath/ath5k/caps.c

@@ -49,7 +49,6 @@ int ath5k_hw_set_capabilities(struct ath5k_hw *ah)
 
 		/* Set supported modes */
 		__set_bit(AR5K_MODE_11A, ah->ah_capabilities.cap_mode);
-		__set_bit(AR5K_MODE_11A_TURBO, ah->ah_capabilities.cap_mode);
 	} else {
 		/*
 		 * XXX The tranceiver supports frequencies from 4920 to 6100GHz
@@ -74,11 +73,6 @@ int ath5k_hw_set_capabilities(struct ath5k_hw *ah)
 			/* Set supported modes */
 			__set_bit(AR5K_MODE_11A,
 					ah->ah_capabilities.cap_mode);
-			__set_bit(AR5K_MODE_11A_TURBO,
-					ah->ah_capabilities.cap_mode);
-			if (ah->ah_version == AR5K_AR5212)
-				__set_bit(AR5K_MODE_11G_TURBO,
-						ah->ah_capabilities.cap_mode);
 		}
 
 		/* Enable  802.11b if a 2GHz capable radio (2111/5112) is

drivers/net/wireless/ath/ath5k/debug.c

@@ -312,6 +312,7 @@ static const struct {
 	{ ATH5K_DEBUG_DUMP_RX,	"dumprx",	"print received skb content" },
 	{ ATH5K_DEBUG_DUMP_TX,	"dumptx",	"print transmit skb content" },
 	{ ATH5K_DEBUG_DUMPBANDS, "dumpbands",	"dump bands" },
+	{ ATH5K_DEBUG_DMA,	"dma",		"dma start/stop" },
 	{ ATH5K_DEBUG_ANI,	"ani",		"adaptive noise immunity" },
 	{ ATH5K_DEBUG_DESC,	"desc",		"descriptor chains" },
 	{ ATH5K_DEBUG_ANY,	"all",		"show all debug levels" },

drivers/net/wireless/ath/ath5k/debug.h

@@ -95,6 +95,7 @@ struct ath5k_dbg_info {
  * @ATH5K_DEBUG_DUMP_RX: print received skb content
  * @ATH5K_DEBUG_DUMP_TX: print transmit skb content
  * @ATH5K_DEBUG_DUMPBANDS: dump bands
+ * @ATH5K_DEBUG_DMA: debug dma start/stop
  * @ATH5K_DEBUG_TRACE: trace function calls
  * @ATH5K_DEBUG_DESC: descriptor setup
  * @ATH5K_DEBUG_ANY: show at any debug level
@@ -118,6 +119,7 @@ enum ath5k_debug_level {
 	ATH5K_DEBUG_DUMP_RX	= 0x00000100,
 	ATH5K_DEBUG_DUMP_TX	= 0x00000200,
 	ATH5K_DEBUG_DUMPBANDS	= 0x00000400,
+	ATH5K_DEBUG_DMA		= 0x00000800,
 	ATH5K_DEBUG_ANI		= 0x00002000,
 	ATH5K_DEBUG_DESC	= 0x00004000,
 	ATH5K_DEBUG_ANY		= 0xffffffff

drivers/net/wireless/ath/ath5k/desc.c

@@ -26,9 +26,10 @@
 #include "debug.h"
 #include "base.h"
 
-/*
- * TX Descriptors
- */
+
+/************************\
+* TX Control descriptors *
+\************************/
 
 /*
  * Initialize the 2-word tx control descriptor on 5210/5211
@@ -335,6 +336,11 @@ ath5k_hw_setup_mrr_tx_desc(struct ath5k_hw *ah, struct ath5k_desc *desc,
 	return 0;
 }
 
+
+/***********************\
+* TX Status descriptors *
+\***********************/
+
 /*
  * Proccess the tx status descriptor on 5210/5211
  */
@@ -476,9 +482,10 @@ static int ath5k_hw_proc_4word_tx_status(struct ath5k_hw *ah,
 	return 0;
 }
 
-/*
- * RX Descriptors
- */
+
+/****************\
+* RX Descriptors *
+\****************/
 
 /*
  * Initialize an rx control descriptor
@@ -666,6 +673,11 @@ static int ath5k_hw_proc_5212_rx_status(struct ath5k_hw *ah,
 	return 0;
 }
 
+
+/********\
+* Attach *
+\********/
+
 /*
  * Init function pointers inside ath5k_hw struct
  */

drivers/net/wireless/ath/ath5k/dma.c

@@ -37,6 +37,7 @@
 #include "debug.h"
 #include "base.h"
 
+
 /*********\
 * Receive *
 \*********/
@@ -57,7 +58,7 @@ void ath5k_hw_start_rx_dma(struct ath5k_hw *ah)
  *
  * @ah:	The &struct ath5k_hw
  */
-int ath5k_hw_stop_rx_dma(struct ath5k_hw *ah)
+static int ath5k_hw_stop_rx_dma(struct ath5k_hw *ah)
 {
 	unsigned int i;
 
@@ -69,7 +70,11 @@ int ath5k_hw_stop_rx_dma(struct ath5k_hw *ah)
 	for (i = 1000; i > 0 &&
 			(ath5k_hw_reg_read(ah, AR5K_CR) & AR5K_CR_RXE) != 0;
 			i--)
-		udelay(10);
+		udelay(100);
+
+	if (i)
+		ATH5K_DBG(ah->ah_sc, ATH5K_DEBUG_DMA,
+				"failed to stop RX DMA !\n");
 
 	return i ? 0 : -EBUSY;
 }
@@ -90,11 +95,18 @@ u32 ath5k_hw_get_rxdp(struct ath5k_hw *ah)
  * @ah: The &struct ath5k_hw
  * @phys_addr: RX descriptor address
  *
- * XXX: Should we check if rx is enabled before setting rxdp ?
+ * Returns -EIO if rx is active
  */
-void ath5k_hw_set_rxdp(struct ath5k_hw *ah, u32 phys_addr)
+int ath5k_hw_set_rxdp(struct ath5k_hw *ah, u32 phys_addr)
 {
+	if (ath5k_hw_reg_read(ah, AR5K_CR) & AR5K_CR_RXE) {
+		ATH5K_DBG(ah->ah_sc, ATH5K_DEBUG_DMA,
+				"tried to set RXDP while rx was active !\n");
+		return -EIO;
+	}
+
 	ath5k_hw_reg_write(ah, phys_addr, AR5K_RXDP);
+	return 0;
 }
 
 
@@ -125,7 +137,7 @@ int ath5k_hw_start_tx_dma(struct ath5k_hw *ah, unsigned int queue)
 
 	/* Return if queue is declared inactive */
 	if (ah->ah_txq[queue].tqi_type == AR5K_TX_QUEUE_INACTIVE)
-		return -EIO;
+		return -EINVAL;
 
 	if (ah->ah_version == AR5K_AR5210) {
 		tx_queue = ath5k_hw_reg_read(ah, AR5K_CR);
@@ -173,10 +185,10 @@ int ath5k_hw_start_tx_dma(struct ath5k_hw *ah, unsigned int queue)
  *
  * Stop DMA transmit on a specific hw queue and drain queue so we don't
  * have any pending frames. Returns -EBUSY if we still have pending frames,
- * -EINVAL if queue number is out of range.
+ * -EINVAL if queue number is out of range or inactive.
  *
  */
-int ath5k_hw_stop_tx_dma(struct ath5k_hw *ah, unsigned int queue)
+static int ath5k_hw_stop_tx_dma(struct ath5k_hw *ah, unsigned int queue)
 {
 	unsigned int i = 40;
 	u32 tx_queue, pending;
@@ -185,7 +197,7 @@ int ath5k_hw_stop_tx_dma(struct ath5k_hw *ah, unsigned int queue)
 
 	/* Return if queue is declared inactive */
 	if (ah->ah_txq[queue].tqi_type == AR5K_TX_QUEUE_INACTIVE)
-		return -EIO;
+		return -EINVAL;
 
 	if (ah->ah_version == AR5K_AR5210) {
 		tx_queue = ath5k_hw_reg_read(ah, AR5K_CR);
@@ -211,12 +223,31 @@ int ath5k_hw_stop_tx_dma(struct ath5k_hw *ah, unsigned int queue)
 		ath5k_hw_reg_write(ah, tx_queue, AR5K_CR);
 		ath5k_hw_reg_read(ah, AR5K_CR);
 	} else {
+
+		/*
+		 * Enable DCU early termination to quickly
+		 * flush any pending frames from QCU
+		 */
+		AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_MISC(queue),
+					AR5K_QCU_MISC_DCU_EARLY);
+
 		/*
 		 * Schedule TX disable and wait until queue is empty
 		 */
 		AR5K_REG_WRITE_Q(ah, AR5K_QCU_TXD, queue);
 
-		/*Check for pending frames*/
+		/* Wait for queue to stop */
+		for (i = 1000; i > 0 &&
+		(AR5K_REG_READ_Q(ah, AR5K_QCU_TXE, queue) != 0);
+		i--)
+			udelay(100);
+
+		if (AR5K_REG_READ_Q(ah, AR5K_QCU_TXE, queue))
+			ATH5K_DBG(ah->ah_sc, ATH5K_DEBUG_DMA,
+				"queue %i didn't stop !\n", queue);
+
+		/* Check for pending frames */
+		i = 1000;
 		do {
 			pending = ath5k_hw_reg_read(ah,
 				AR5K_QUEUE_STATUS(queue)) &
@@ -247,12 +278,12 @@ int ath5k_hw_stop_tx_dma(struct ath5k_hw *ah, unsigned int queue)
 					AR5K_DIAG_SW_CHANNEL_IDLE_HIGH);
 
 			/* Wait a while and disable mechanism */
-			udelay(200);
+			udelay(400);
 			AR5K_REG_DISABLE_BITS(ah, AR5K_QUIET_CTL1,
 						AR5K_QUIET_CTL1_QT_EN);
 
 			/* Re-check for pending frames */
-			i = 40;
+			i = 100;
 			do {
 				pending = ath5k_hw_reg_read(ah,
 					AR5K_QUEUE_STATUS(queue)) &
@@ -262,18 +293,53 @@ int ath5k_hw_stop_tx_dma(struct ath5k_hw *ah, unsigned int queue)
 
 			AR5K_REG_DISABLE_BITS(ah, AR5K_DIAG_SW_5211,
 					AR5K_DIAG_SW_CHANNEL_IDLE_HIGH);
+
+			if (pending)
+				ATH5K_DBG(ah->ah_sc, ATH5K_DEBUG_DMA,
+					"quiet mechanism didn't work q:%i !\n",
+					queue);
 		}
 
+		/*
+		 * Disable DCU early termination
+		 */
+		AR5K_REG_DISABLE_BITS(ah, AR5K_QUEUE_MISC(queue),
+					AR5K_QCU_MISC_DCU_EARLY);
+
 		/* Clear register */
 		ath5k_hw_reg_write(ah, 0, AR5K_QCU_TXD);
-		if (pending)
+		if (pending) {
+			ATH5K_DBG(ah->ah_sc, ATH5K_DEBUG_DMA,
+					"tx dma didn't stop (q:%i, frm:%i) !\n",
+					queue, pending);
 			return -EBUSY;
+		}
 	}
 
 	/* TODO: Check for success on 5210 else return error */
 	return 0;
 }
 
+/**
+ * ath5k_hw_stop_beacon_queue - Stop beacon queue
+ *
+ * @ah The &struct ath5k_hw
+ * @queue The queue number
+ *
+ * Returns -EIO if queue didn't stop
+ */
+int ath5k_hw_stop_beacon_queue(struct ath5k_hw *ah, unsigned int queue)
+{
+	int ret;
+	ret = ath5k_hw_stop_tx_dma(ah, queue);
+	if (ret) {
+		ATH5K_DBG(ah->ah_sc, ATH5K_DEBUG_DMA,
+				"beacon queue didn't stop !\n");
+		return -EIO;
+	}
+	return 0;
+}
+
 /**
  * ath5k_hw_get_txdp - Get TX Descriptor's address for a specific queue
  *
@@ -427,6 +493,7 @@ done:
 	return ret;
 }
 
+
 /*******************\
 * Interrupt masking *
 \*******************/
@@ -688,3 +755,92 @@ enum ath5k_int ath5k_hw_set_imr(struct ath5k_hw *ah, enum ath5k_int new_mask)
 	return old_mask;
 }
 
+
+/********************\
+ Init/Stop functions
+\********************/
+
+/**
+ * ath5k_hw_dma_init - Initialize DMA unit
+ *
+ * @ah: The &struct ath5k_hw
+ *
+ * Set DMA size and pre-enable interrupts
+ * (driver handles tx/rx buffer setup and
+ * dma start/stop)
+ *
+ * XXX: Save/restore RXDP/TXDP registers ?
+ */
+void ath5k_hw_dma_init(struct ath5k_hw *ah)
+{
+	/*
+	 * Set Rx/Tx DMA Configuration
+	 *
+	 * Set standard DMA size (128). Note that
+	 * a DMA size of 512 causes rx overruns and tx errors
+	 * on pci-e cards (tested on 5424 but since rx overruns
+	 * also occur on 5416/5418 with madwifi we set 128
+	 * for all PCI-E cards to be safe).
+	 *
+	 * XXX: need to check 5210 for this
+	 * TODO: Check out tx triger level, it's always 64 on dumps but I
+	 * guess we can tweak it and see how it goes ;-)
+	 */
+	if (ah->ah_version != AR5K_AR5210) {
+		AR5K_REG_WRITE_BITS(ah, AR5K_TXCFG,
+			AR5K_TXCFG_SDMAMR, AR5K_DMASIZE_128B);
+		AR5K_REG_WRITE_BITS(ah, AR5K_RXCFG,
+			AR5K_RXCFG_SDMAMW, AR5K_DMASIZE_128B);
+	}
+
+	/* Pre-enable interrupts on 5211/5212*/
+	if (ah->ah_version != AR5K_AR5210)
+		ath5k_hw_set_imr(ah, ah->ah_imr);
+
+}
+
+/**
+ * ath5k_hw_dma_stop - stop DMA unit
+ *
+ * @ah: The &struct ath5k_hw
+ *
+ * Stop tx/rx DMA and interrupts. Returns
+ * -EBUSY if tx or rx dma failed to stop.
+ *
+ * XXX: Sometimes DMA unit hangs and we have
+ * stuck frames on tx queues, only a reset
+ * can fix that.
+ */
+int ath5k_hw_dma_stop(struct ath5k_hw *ah)
+{
+	int i, qmax, err;
+	err = 0;
+
+	/* Disable interrupts */
+	ath5k_hw_set_imr(ah, 0);
+
+	/* Stop rx dma */
+	err = ath5k_hw_stop_rx_dma(ah);
+	if (err)
+		return err;
+
+	/* Clear any pending interrupts
+	 * and disable tx dma */
+	if (ah->ah_version != AR5K_AR5210) {
+		ath5k_hw_reg_write(ah, 0xffffffff, AR5K_PISR);
+		qmax = AR5K_NUM_TX_QUEUES;
+	} else {
+		/* PISR/SISR Not available on 5210 */
+		ath5k_hw_reg_read(ah, AR5K_ISR);
+		qmax = AR5K_NUM_TX_QUEUES_NOQCU;
+	}
+
+	for (i = 0; i < qmax; i++) {
+		err = ath5k_hw_stop_tx_dma(ah, i);
+		/* -EINVAL -> queue inactive */
+		if (err != -EINVAL)
+			return err;
+	}
+
+	return err;
+}

drivers/net/wireless/ath/ath5k/eeprom.c

@@ -28,45 +28,16 @@
 #include "debug.h"
 #include "base.h"
 
-/*
- * Read from eeprom
- */
-static int ath5k_hw_eeprom_read(struct ath5k_hw *ah, u32 offset, u16 *data)
-{
-	u32 status, timeout;
-
-	/*
-	 * Initialize EEPROM access
-	 */
-	if (ah->ah_version == AR5K_AR5210) {
-		AR5K_REG_ENABLE_BITS(ah, AR5K_PCICFG, AR5K_PCICFG_EEAE);
-		(void)ath5k_hw_reg_read(ah, AR5K_EEPROM_BASE + (4 * offset));
-	} else {
-		ath5k_hw_reg_write(ah, offset, AR5K_EEPROM_BASE);
-		AR5K_REG_ENABLE_BITS(ah, AR5K_EEPROM_CMD,
-				AR5K_EEPROM_CMD_READ);
-	}
 
-	for (timeout = AR5K_TUNE_REGISTER_TIMEOUT; timeout > 0; timeout--) {
-		status = ath5k_hw_reg_read(ah, AR5K_EEPROM_STATUS);
-		if (status & AR5K_EEPROM_STAT_RDDONE) {
-			if (status & AR5K_EEPROM_STAT_RDERR)
-				return -EIO;
-			*data = (u16)(ath5k_hw_reg_read(ah, AR5K_EEPROM_DATA) &
-					0xffff);
-			return 0;
-		}
-		udelay(15);
-	}
-
-	return -ETIMEDOUT;
-}
+/******************\
+* Helper functions *
+\******************/
 
 /*
  * Translate binary channel representation in EEPROM to frequency
  */
 static u16 ath5k_eeprom_bin2freq(struct ath5k_eeprom_info *ee, u16 bin,
-                                 unsigned int mode)
+							unsigned int mode)
 {
 	u16 val;
 
@@ -89,6 +60,11 @@ static u16 ath5k_eeprom_bin2freq(struct ath5k_eeprom_info *ee, u16 bin,
 	return val;
 }
 
+
+/*********\
+* Parsers *
+\*********/
+
 /*
  * Initialize eeprom & capabilities structs
  */
@@ -198,7 +174,7 @@ ath5k_eeprom_init_header(struct ath5k_hw *ah)
 	 *
 	 * XXX: Serdes values seem to be fixed so
 	 * no need to read them here, we write them
-	 * during ath5k_hw_attach */
+	 * during ath5k_hw_init */
 	AR5K_EEPROM_READ(AR5K_EEPROM_PCIE_OFFSET, val);
 	ee->ee_serdes = (val == AR5K_EEPROM_PCIE_SERDES_SECTION) ?
 							true : false;
@@ -647,6 +623,7 @@ ath5k_eeprom_init_11bg_2413(struct ath5k_hw *ah, unsigned int mode, int offset)
 	return 0;
 }
 
+
 /*
  * Read power calibration for RF5111 chips
  *
@@ -1514,6 +1491,7 @@ ath5k_eeprom_read_target_rate_pwr_info(struct ath5k_hw *ah, unsigned int mode)
 	return 0;
 }
 
+
 /*
  * Read per channel calibration info from EEPROM
  *
@@ -1607,15 +1585,6 @@ ath5k_eeprom_free_pcal_info(struct ath5k_hw *ah, int mode)
 	return 0;
 }
 
-void
-ath5k_eeprom_detach(struct ath5k_hw *ah)
-{
-	u8 mode;
-
-	for (mode = AR5K_EEPROM_MODE_11A; mode <= AR5K_EEPROM_MODE_11G; mode++)
-		ath5k_eeprom_free_pcal_info(ah, mode);
-}
-
 /* Read conformance test limits used for regulatory control */
 static int
 ath5k_eeprom_read_ctl_info(struct ath5k_hw *ah)
@@ -1756,6 +1725,44 @@ ath5k_eeprom_read_spur_chans(struct ath5k_hw *ah)
 	return ret;
 }
 
+/*
+ * Read the MAC address from eeprom
+ */
+int ath5k_eeprom_read_mac(struct ath5k_hw *ah, u8 *mac)
+{
+	u8 mac_d[ETH_ALEN] = {};
+	u32 total, offset;
+	u16 data;
+	int octet, ret;
+
+	ret = ath5k_hw_nvram_read(ah, 0x20, &data);
+	if (ret)
+		return ret;
+
+	for (offset = 0x1f, octet = 0, total = 0; offset >= 0x1d; offset--) {
+		ret = ath5k_hw_nvram_read(ah, offset, &data);
+		if (ret)
+			return ret;
+
+		total += data;
+		mac_d[octet + 1] = data & 0xff;
+		mac_d[octet] = data >> 8;
+		octet += 2;
+	}
+
+	if (!total || total == 3 * 0xffff)
+		return -EINVAL;
+
+	memcpy(mac, mac_d, ETH_ALEN);
+
+	return 0;
+}
+
+
+/***********************\
+* Init/Detach functions *
+\***********************/
+
 /*
  * Initialize eeprom data structure
  */
@@ -1787,35 +1794,11 @@ ath5k_eeprom_init(struct ath5k_hw *ah)
 	return 0;
 }
 
-/*
- * Read the MAC address from eeprom
- */
-int ath5k_eeprom_read_mac(struct ath5k_hw *ah, u8 *mac)
+void
+ath5k_eeprom_detach(struct ath5k_hw *ah)
 {
-	u8 mac_d[ETH_ALEN] = {};
-	u32 total, offset;
-	u16 data;
-	int octet, ret;
-
-	ret = ath5k_hw_eeprom_read(ah, 0x20, &data);
-	if (ret)
-		return ret;
-
-	for (offset = 0x1f, octet = 0, total = 0; offset >= 0x1d; offset--) {
-		ret = ath5k_hw_eeprom_read(ah, offset, &data);
-		if (ret)
-			return ret;
-
-		total += data;
-		mac_d[octet + 1] = data & 0xff;
-		mac_d[octet] = data >> 8;
-		octet += 2;
-	}
-
-	if (!total || total == 3 * 0xffff)
-		return -EINVAL;
-
-	memcpy(mac, mac_d, ETH_ALEN);
+	u8 mode;
 
-	return 0;
+	for (mode = AR5K_EEPROM_MODE_11A; mode <= AR5K_EEPROM_MODE_11G; mode++)
+		ath5k_eeprom_free_pcal_info(ah, mode);
 }

drivers/net/wireless/ath/ath5k/eeprom.h

@@ -241,7 +241,7 @@ enum ath5k_eeprom_freq_bands{
 #define	AR5K_SPUR_SYMBOL_WIDTH_TURBO_100Hz	6250
 
 #define AR5K_EEPROM_READ(_o, _v) do {			\
-	ret = ath5k_hw_eeprom_read(ah, (_o), &(_v));	\
+	ret = ath5k_hw_nvram_read(ah, (_o), &(_v));	\
 	if (ret)					\
 		return ret;				\
 } while (0)

drivers/net/wireless/ath/ath5k/initvals.c

@@ -44,7 +44,7 @@ struct ath5k_ini {
 
 struct ath5k_ini_mode {
 	u16	mode_register;
-	u32	mode_value[5];
+	u32	mode_value[3];
 };
 
 /* Initial register settings for AR5210 */
@@ -391,76 +391,74 @@ static const struct ath5k_ini ar5211_ini[] = {
  */
 static const struct ath5k_ini_mode ar5211_ini_mode[] = {
 	{ AR5K_TXCFG,
-	/*	  a	    aTurbo	  b	  g (OFDM)    */
-	   { 0x00000015, 0x00000015, 0x0000001d, 0x00000015 } },
+	/*	A/XR          B           G       */
+	   { 0x00000015, 0x0000001d, 0x00000015 } },
 	{ AR5K_QUEUE_DFS_LOCAL_IFS(0),
-	   { 0x002ffc0f, 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
+	   { 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
 	{ AR5K_QUEUE_DFS_LOCAL_IFS(1),
-	   { 0x002ffc0f, 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
+	   { 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
 	{ AR5K_QUEUE_DFS_LOCAL_IFS(2),
-	   { 0x002ffc0f, 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
+	   { 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
 	{ AR5K_QUEUE_DFS_LOCAL_IFS(3),
-	   { 0x002ffc0f, 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
+	   { 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
 	{ AR5K_QUEUE_DFS_LOCAL_IFS(4),
-	   { 0x002ffc0f, 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
+	   { 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
 	{ AR5K_QUEUE_DFS_LOCAL_IFS(5),
-	   { 0x002ffc0f, 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
+	   { 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
 	{ AR5K_QUEUE_DFS_LOCAL_IFS(6),
-	   { 0x002ffc0f, 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
+	   { 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
 	{ AR5K_QUEUE_DFS_LOCAL_IFS(7),
-	   { 0x002ffc0f, 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
+	   { 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
 	{ AR5K_QUEUE_DFS_LOCAL_IFS(8),
-	   { 0x002ffc0f, 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
+	   { 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
 	{ AR5K_QUEUE_DFS_LOCAL_IFS(9),
-	   { 0x002ffc0f, 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
+	   { 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
 	{ AR5K_DCU_GBL_IFS_SLOT,
-	   { 0x00000168, 0x000001e0, 0x000001b8, 0x00000168 } },
+	   { 0x00000168, 0x000001b8, 0x00000168 } },
 	{ AR5K_DCU_GBL_IFS_SIFS,
-	   { 0x00000230, 0x000001e0, 0x000000b0, 0x00000230 } },
+	   { 0x00000230, 0x000000b0, 0x00000230 } },
 	{ AR5K_DCU_GBL_IFS_EIFS,
-	   { 0x00000d98, 0x00001180, 0x00001f48, 0x00000d98 } },
+	   { 0x00000d98, 0x00001f48, 0x00000d98 } },
 	{ AR5K_DCU_GBL_IFS_MISC,
-	   { 0x0000a0e0, 0x00014068, 0x00005880, 0x0000a0e0 } },
+	   { 0x0000a0e0, 0x00005880, 0x0000a0e0 } },
 	{ AR5K_TIME_OUT,
-	   { 0x04000400, 0x08000800, 0x20003000, 0x04000400 } },
+	   { 0x04000400, 0x20003000, 0x04000400 } },
 	{ AR5K_USEC_5211,
-	   { 0x0e8d8fa7, 0x0e8d8fcf, 0x01608f95, 0x0e8d8fa7 } },
-	{ AR5K_PHY_TURBO,
-	   { 0x00000000, 0x00000003, 0x00000000, 0x00000000 } },
+	   { 0x0e8d8fa7, 0x01608f95, 0x0e8d8fa7 } },
 	{ AR5K_PHY(8),
-	   { 0x02020200, 0x02020200, 0x02010200, 0x02020200 } },
-	{ AR5K_PHY(9),
-	   { 0x00000e0e, 0x00000e0e, 0x00000707, 0x00000e0e } },
-	{ AR5K_PHY(10),
-	   { 0x0a020001, 0x0a020001, 0x05010000, 0x0a020001 } },
-	{ AR5K_PHY(13),
-	   { 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e } },
-	{ AR5K_PHY(14),
-	   { 0x00000007, 0x00000007, 0x0000000b, 0x0000000b } },
-	{ AR5K_PHY(17),
-	   { 0x1372169c, 0x137216a5, 0x137216a8, 0x1372169c } },
-	{ AR5K_PHY(18),
-	   { 0x0018ba67, 0x0018ba67, 0x0018ba69, 0x0018ba69 } },
-	{ AR5K_PHY(20),
-	   { 0x0c28b4e0, 0x0c28b4e0, 0x0c28b4e0, 0x0c28b4e0 } },
+	   { 0x02020200, 0x02010200, 0x02020200 } },
+	{ AR5K_PHY_RF_CTL2,
+	   { 0x00000e0e, 0x00000707, 0x00000e0e } },
+	{ AR5K_PHY_RF_CTL3,
+	   { 0x0a020001, 0x05010000, 0x0a020001 } },
+	{ AR5K_PHY_RF_CTL4,
+	   { 0x00000e0e, 0x00000e0e, 0x00000e0e } },
+	{ AR5K_PHY_PA_CTL,
+	   { 0x00000007, 0x0000000b, 0x0000000b } },
+	{ AR5K_PHY_SETTLING,
+	   { 0x1372169c, 0x137216a8, 0x1372169c } },
+	{ AR5K_PHY_GAIN,
+	   { 0x0018ba67, 0x0018ba69, 0x0018ba69 } },
+	{ AR5K_PHY_DESIRED_SIZE,
+	   { 0x0c28b4e0, 0x0c28b4e0, 0x0c28b4e0 } },
 	{ AR5K_PHY_SIG,
-	   { 0x7e800d2e, 0x7e800d2e, 0x7ec00d2e, 0x7e800d2e } },
+	   { 0x7e800d2e, 0x7ec00d2e, 0x7e800d2e } },
 	{ AR5K_PHY_AGCCOARSE,
-	   { 0x31375d5e, 0x31375d5e, 0x313a5d5e, 0x31375d5e } },
+	   { 0x31375d5e, 0x313a5d5e, 0x31375d5e } },
 	{ AR5K_PHY_AGCCTL,
-	   { 0x0000bd10, 0x0000bd10, 0x0000bd38, 0x0000bd10 } },
+	   { 0x0000bd10, 0x0000bd38, 0x0000bd10 } },
 	{ AR5K_PHY_NF,
-	   { 0x0001ce00, 0x0001ce00, 0x0001ce00, 0x0001ce00 } },
+	   { 0x0001ce00, 0x0001ce00, 0x0001ce00 } },
 	{ AR5K_PHY_RX_DELAY,
-	   { 0x00002710, 0x00002710, 0x0000157c, 0x00002710 } },
+	   { 0x00002710, 0x0000157c, 0x00002710 } },
 	{ AR5K_PHY(70),
-	   { 0x00000190, 0x00000190, 0x00000084, 0x00000190 } },
+	   { 0x00000190, 0x00000084, 0x00000190 } },
 	{ AR5K_PHY_FRAME_CTL_5211,
-	   { 0x6fe01020, 0x6fe01020, 0x6fe00920, 0x6fe01020 } },
+	   { 0x6fe01020, 0x6fe00920, 0x6fe01020 } },
 	{ AR5K_PHY_PCDAC_TXPOWER_BASE,
-	   { 0x05ff14ff, 0x05ff14ff, 0x05ff14ff, 0x05ff19ff } },
+	   { 0x05ff14ff, 0x05ff14ff, 0x05ff19ff } },
 	{ AR5K_RF_BUFFER_CONTROL_4,
-	   { 0x00000010, 0x00000014, 0x00000010, 0x00000010 } },
+	   { 0x00000010, 0x00000010, 0x00000010 } },
 };
 
 /* Initial register settings for AR5212 */
@@ -677,89 +675,87 @@ static const struct ath5k_ini ar5212_ini_common_start[] = {
 /* Initial mode-specific settings for AR5212 (Written before ar5212_ini) */
 static const struct ath5k_ini_mode ar5212_ini_mode_start[] = {
 	{ AR5K_QUEUE_DFS_LOCAL_IFS(0),
-	/*	a/XR	   aTurbo	  b	   g (DYN)     gTurbo     */
-	   { 0x002ffc0f, 0x002ffc0f, 0x002ffc1f, 0x002ffc0f, 0x002ffc0f } },
+	/*	A/XR          B           G       */
+	   { 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
 	{ AR5K_QUEUE_DFS_LOCAL_IFS(1),
-	   { 0x002ffc0f, 0x002ffc0f, 0x002ffc1f, 0x002ffc0f, 0x002ffc0f } },
+	   { 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
 	{ AR5K_QUEUE_DFS_LOCAL_IFS(2),
-	   { 0x002ffc0f, 0x002ffc0f, 0x002ffc1f, 0x002ffc0f, 0x002ffc0f } },
+	   { 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
 	{ AR5K_QUEUE_DFS_LOCAL_IFS(3),
-	   { 0x002ffc0f, 0x002ffc0f, 0x002ffc1f, 0x002ffc0f, 0x002ffc0f } },
+	   { 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
 	{ AR5K_QUEUE_DFS_LOCAL_IFS(4),
-	   { 0x002ffc0f, 0x002ffc0f, 0x002ffc1f, 0x002ffc0f, 0x002ffc0f } },
+	   { 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
 	{ AR5K_QUEUE_DFS_LOCAL_IFS(5),
-	   { 0x002ffc0f, 0x002ffc0f, 0x002ffc1f, 0x002ffc0f, 0x002ffc0f } },
+	   { 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
 	{ AR5K_QUEUE_DFS_LOCAL_IFS(6),
-	   { 0x002ffc0f, 0x002ffc0f, 0x002ffc1f, 0x002ffc0f, 0x002ffc0f } },
+	   { 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
 	{ AR5K_QUEUE_DFS_LOCAL_IFS(7),
-	   { 0x002ffc0f, 0x002ffc0f, 0x002ffc1f, 0x002ffc0f, 0x002ffc0f } },
+	   { 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
 	{ AR5K_QUEUE_DFS_LOCAL_IFS(8),
-	   { 0x002ffc0f, 0x002ffc0f, 0x002ffc1f, 0x002ffc0f, 0x002ffc0f } },
+	   { 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
 	{ AR5K_QUEUE_DFS_LOCAL_IFS(9),
-	   { 0x002ffc0f, 0x002ffc0f, 0x002ffc1f, 0x002ffc0f, 0x002ffc0f } },
+	   { 0x002ffc0f, 0x002ffc1f, 0x002ffc0f } },
 	{ AR5K_DCU_GBL_IFS_SIFS,
-	   { 0x00000230, 0x000001e0, 0x000000b0, 0x00000160, 0x000001e0 } },
+	   { 0x00000230, 0x000000b0, 0x00000160 } },
 	{ AR5K_DCU_GBL_IFS_SLOT,
-	   { 0x00000168, 0x000001e0, 0x000001b8, 0x0000018c, 0x000001e0 } },
+	   { 0x00000168, 0x000001b8, 0x0000018c } },
 	{ AR5K_DCU_GBL_IFS_EIFS,
-	   { 0x00000e60, 0x00001180, 0x00001f1c, 0x00003e38, 0x00001180 } },
+	   { 0x00000e60, 0x00001f1c, 0x00003e38 } },
 	{ AR5K_DCU_GBL_IFS_MISC,
-	   { 0x0000a0e0, 0x00014068, 0x00005880, 0x0000b0e0, 0x00014068 } },
+	   { 0x0000a0e0, 0x00005880, 0x0000b0e0 } },
 	{ AR5K_TIME_OUT,
-	   { 0x03e803e8, 0x06e006e0, 0x04200420, 0x08400840, 0x06e006e0 } },
-	{ AR5K_PHY_TURBO,
-	   { 0x00000000, 0x00000003, 0x00000000, 0x00000000, 0x00000003 } },
+	   { 0x03e803e8, 0x04200420, 0x08400840 } },
 	{ AR5K_PHY(8),
-	   { 0x02020200, 0x02020200, 0x02010200, 0x02020200, 0x02020200 } },
+	   { 0x02020200, 0x02010200, 0x02020200 } },
 	{ AR5K_PHY_RF_CTL2,
-	   { 0x00000e0e, 0x00000e0e, 0x00000707, 0x00000e0e, 0x00000e0e } },
+	   { 0x00000e0e, 0x00000707, 0x00000e0e } },
 	{ AR5K_PHY_SETTLING,
-	   { 0x1372161c, 0x13721c25, 0x13721722, 0x137216a2, 0x13721c25 } },
+	   { 0x1372161c, 0x13721722, 0x137216a2 } },
 	{ AR5K_PHY_AGCCTL,
-	   { 0x00009d10, 0x00009d10, 0x00009d18, 0x00009d18, 0x00009d10 } },
+	   { 0x00009d10, 0x00009d18, 0x00009d18 } },
 	{ AR5K_PHY_NF,
-	   { 0x0001ce00, 0x0001ce00, 0x0001ce00, 0x0001ce00, 0x0001ce00 } },
+	   { 0x0001ce00, 0x0001ce00, 0x0001ce00 } },
 	{ AR5K_PHY_WEAK_OFDM_HIGH_THR,
-	   { 0x409a4190, 0x409a4190, 0x409a4190, 0x409a4190, 0x409a4190 } },
+	   { 0x409a4190, 0x409a4190, 0x409a4190 } },
 	{ AR5K_PHY(70),
-	   { 0x000001b8, 0x000001b8, 0x00000084, 0x00000108, 0x000001b8 } },
+	   { 0x000001b8, 0x00000084, 0x00000108 } },
 	{ AR5K_PHY_OFDM_SELFCORR,
-	   { 0x10058a05, 0x10058a05, 0x10058a05, 0x10058a05, 0x10058a05 } },
+	   { 0x10058a05, 0x10058a05, 0x10058a05 } },
 	{ 0xa230,
-	   { 0x00000000, 0x00000000, 0x00000000, 0x00000108, 0x00000000 } },
+	   { 0x00000000, 0x00000000, 0x00000108 } },
 };
 
 /* Initial mode-specific settings for AR5212 + RF5111 (Written after ar5212_ini) */
 static const struct ath5k_ini_mode rf5111_ini_mode_end[] = {
 	{ AR5K_TXCFG,
-	/*	a/XR	   aTurbo	  b	   g (DYN)     gTurbo     */
-	   { 0x00008015, 0x00008015, 0x00008015, 0x00008015, 0x00008015 } },
+	/*	A/XR          B           G       */
+	   { 0x00008015, 0x00008015, 0x00008015 } },
 	{ AR5K_USEC_5211,
-	   { 0x128d8fa7, 0x09880fcf, 0x04e00f95, 0x12e00fab, 0x09880fcf } },
+	   { 0x128d8fa7, 0x04e00f95, 0x12e00fab } },
 	{ AR5K_PHY_RF_CTL3,
-	   { 0x0a020001, 0x0a020001, 0x05010100, 0x0a020001, 0x0a020001 } },
+	   { 0x0a020001, 0x05010100, 0x0a020001 } },
 	{ AR5K_PHY_RF_CTL4,
-	   { 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e } },
+	   { 0x00000e0e, 0x00000e0e, 0x00000e0e } },
 	{ AR5K_PHY_PA_CTL,
-	   { 0x00000007, 0x00000007, 0x0000000b, 0x0000000b, 0x0000000b } },
+	   { 0x00000007, 0x0000000b, 0x0000000b } },
 	{ AR5K_PHY_GAIN,
-	   { 0x0018da5a, 0x0018da5a, 0x0018ca69, 0x0018ca69, 0x0018ca69 } },
+	   { 0x0018da5a, 0x0018ca69, 0x0018ca69 } },
 	{ AR5K_PHY_DESIRED_SIZE,
-	   { 0x0de8b4e0, 0x0de8b4e0, 0x0de8b4e0, 0x0de8b4e0, 0x0de8b4e0 } },
+	   { 0x0de8b4e0, 0x0de8b4e0, 0x0de8b4e0 } },
 	{ AR5K_PHY_SIG,
-	   { 0x7e800d2e, 0x7e800d2e, 0x7ee84d2e, 0x7ee84d2e, 0x7e800d2e } },
+	   { 0x7e800d2e, 0x7ee84d2e, 0x7ee84d2e } },
 	{ AR5K_PHY_AGCCOARSE,
-	   { 0x3137665e, 0x3137665e, 0x3137665e, 0x3137665e, 0x3137615e } },
+	   { 0x3137665e, 0x3137665e, 0x3137665e } },
 	{ AR5K_PHY_WEAK_OFDM_LOW_THR,
-	   { 0x050cb081, 0x050cb081, 0x050cb081, 0x050cb080, 0x050cb080 } },
+	   { 0x050cb081, 0x050cb081, 0x050cb080 } },
 	{ AR5K_PHY_RX_DELAY,
-	   { 0x00002710, 0x00002710, 0x0000157c, 0x00002af8, 0x00002710 } },
+	   { 0x00002710, 0x0000157c, 0x00002af8 } },
 	{ AR5K_PHY_FRAME_CTL_5211,
-	   { 0xf7b81020, 0xf7b81020, 0xf7b80d20, 0xf7b81020, 0xf7b81020 } },
+	   { 0xf7b81020, 0xf7b80d20, 0xf7b81020 } },
 	{ AR5K_PHY_GAIN_2GHZ,
-	   { 0x642c416a, 0x642c416a, 0x6440416a, 0x6440416a, 0x6440416a } },
+	   { 0x642c416a, 0x6440416a, 0x6440416a } },
 	{ AR5K_PHY_CCK_RX_CTL_4,
-	   { 0x1883800a, 0x1883800a, 0x1873800a, 0x1883800a, 0x1883800a } },
+	   { 0x1883800a, 0x1873800a, 0x1883800a } },
 };
 
 static const struct ath5k_ini rf5111_ini_common_end[] = {
@@ -782,38 +778,38 @@ static const struct ath5k_ini rf5111_ini_common_end[] = {
 /* Initial mode-specific settings for AR5212 + RF5112 (Written after ar5212_ini) */
 static const struct ath5k_ini_mode rf5112_ini_mode_end[] = {
 	{ AR5K_TXCFG,
-	/*	a/XR	   aTurbo	  b	   g (DYN)     gTurbo     */
-	   { 0x00008015, 0x00008015, 0x00008015, 0x00008015, 0x00008015 } },
+	/*	A/XR          B           G       */
+	   { 0x00008015, 0x00008015, 0x00008015 } },
 	{ AR5K_USEC_5211,
-	   { 0x128d93a7, 0x098813cf, 0x04e01395, 0x12e013ab, 0x098813cf } },
+	   { 0x128d93a7, 0x04e01395, 0x12e013ab } },
 	{ AR5K_PHY_RF_CTL3,
-	   { 0x0a020001, 0x0a020001, 0x05020100, 0x0a020001, 0x0a020001 } },
+	   { 0x0a020001, 0x05020100, 0x0a020001 } },
 	{ AR5K_PHY_RF_CTL4,
-	   { 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e } },
+	   { 0x00000e0e, 0x00000e0e, 0x00000e0e } },
 	{ AR5K_PHY_PA_CTL,
-	   { 0x00000007, 0x00000007, 0x0000000b, 0x0000000b, 0x0000000b } },
+	   { 0x00000007, 0x0000000b, 0x0000000b } },
 	{ AR5K_PHY_GAIN,
-	   { 0x0018da6d, 0x0018da6d, 0x0018ca75, 0x0018ca75, 0x0018ca75 } },
+	   { 0x0018da6d, 0x0018ca75, 0x0018ca75 } },
 	{ AR5K_PHY_DESIRED_SIZE,
-	   { 0x0de8b4e0, 0x0de8b4e0, 0x0de8b4e0, 0x0de8b4e0, 0x0de8b4e0 } },
+	   { 0x0de8b4e0, 0x0de8b4e0, 0x0de8b4e0 } },
 	{ AR5K_PHY_SIG,
-	   { 0x7e800d2e, 0x7e800d2e, 0x7ee80d2e, 0x7ee80d2e, 0x7e800d2e } },
+	   { 0x7e800d2e, 0x7ee80d2e, 0x7ee80d2e } },
 	{ AR5K_PHY_AGCCOARSE,
-	   { 0x3137665e, 0x3137665e, 0x3137665e, 0x3137665e, 0x3137665e } },
+	   { 0x3137665e, 0x3137665e, 0x3137665e } },
 	{ AR5K_PHY_WEAK_OFDM_LOW_THR,
-	   { 0x050cb081, 0x050cb081, 0x050cb081, 0x050cb081, 0x050cb081 } },
+	   { 0x050cb081, 0x050cb081, 0x050cb081 } },
 	{ AR5K_PHY_RX_DELAY,
-	   { 0x000007d0, 0x000007d0, 0x0000044c, 0x00000898, 0x000007d0 } },
+	   { 0x000007d0, 0x0000044c, 0x00000898 } },
 	{ AR5K_PHY_FRAME_CTL_5211,
-	   { 0xf7b81020, 0xf7b81020, 0xf7b80d10, 0xf7b81010, 0xf7b81010 } },
+	   { 0xf7b81020, 0xf7b80d10, 0xf7b81010 } },
 	{ AR5K_PHY_CCKTXCTL,
-	   { 0x00000000, 0x00000000, 0x00000008, 0x00000008, 0x00000008 } },
+	   { 0x00000000, 0x00000008, 0x00000008 } },
 	{ AR5K_PHY_CCK_CROSSCORR,
-	   { 0xd6be6788, 0xd6be6788, 0xd03e6788, 0xd03e6788, 0xd03e6788 } },
+	   { 0xd6be6788, 0xd03e6788, 0xd03e6788 } },
 	{ AR5K_PHY_GAIN_2GHZ,
-	   { 0x642c0140, 0x642c0140, 0x6442c160, 0x6442c160, 0x6442c160 } },
+	   { 0x642c0140, 0x6442c160, 0x6442c160 } },
 	{ AR5K_PHY_CCK_RX_CTL_4,
-	   { 0x1883800a, 0x1883800a, 0x1873800a, 0x1883800a, 0x1883800a } },
+	   { 0x1883800a, 0x1873800a, 0x1883800a } },
 };
 
 static const struct ath5k_ini rf5112_ini_common_end[] = {
@@ -833,66 +829,66 @@ static const struct ath5k_ini rf5112_ini_common_end[] = {
 /* Initial mode-specific settings for RF5413/5414 (Written after ar5212_ini) */
 static const struct ath5k_ini_mode rf5413_ini_mode_end[] = {
 	{ AR5K_TXCFG,
-	/*	a/XR	   aTurbo	  b	   g (DYN)     gTurbo     */
-	   { 0x00000015, 0x00000015, 0x00000015, 0x00000015, 0x00000015 } },
+	/*	A/XR          B           G       */
+	   { 0x00000015, 0x00000015, 0x00000015 } },
 	{ AR5K_USEC_5211,
-	   { 0x128d93a7, 0x098813cf, 0x04e01395, 0x12e013ab, 0x098813cf } },
+	   { 0x128d93a7, 0x04e01395, 0x12e013ab } },
 	{ AR5K_PHY_RF_CTL3,
-	   { 0x0a020001, 0x0a020001, 0x05020100, 0x0a020001, 0x0a020001 } },
+	   { 0x0a020001, 0x05020100, 0x0a020001 } },
 	{ AR5K_PHY_RF_CTL4,
-	   { 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e } },
+	   { 0x00000e0e, 0x00000e0e, 0x00000e0e } },
 	{ AR5K_PHY_PA_CTL,
-	   { 0x00000007, 0x00000007, 0x0000000b, 0x0000000b, 0x0000000b } },
+	   { 0x00000007, 0x0000000b, 0x0000000b } },
 	{ AR5K_PHY_GAIN,
-	   { 0x0018fa61, 0x0018fa61, 0x001a1a63, 0x001a1a63, 0x001a1a63 } },
+	   { 0x0018fa61, 0x001a1a63, 0x001a1a63 } },
 	{ AR5K_PHY_DESIRED_SIZE,
-	   { 0x0c98b4e0, 0x0c98b4e0, 0x0c98b0da, 0x0c98b0da, 0x0c98b0da } },
+	   { 0x0c98b4e0, 0x0c98b0da, 0x0c98b0da } },
 	{ AR5K_PHY_SIG,
-	   { 0x7ec80d2e, 0x7ec80d2e, 0x7ec80d2e, 0x7ec80d2e, 0x7ec80d2e } },
+	   { 0x7ec80d2e, 0x7ec80d2e, 0x7ec80d2e } },
 	{ AR5K_PHY_AGCCOARSE,
-	   { 0x3139605e, 0x3139605e, 0x3139605e, 0x3139605e, 0x3139605e } },
+	   { 0x3139605e, 0x3139605e, 0x3139605e } },
 	{ AR5K_PHY_WEAK_OFDM_LOW_THR,
-	   { 0x050cb081, 0x050cb081, 0x050cb081, 0x050cb081, 0x050cb081 } },
+	   { 0x050cb081, 0x050cb081, 0x050cb081 } },
 	{ AR5K_PHY_RX_DELAY,
-	   { 0x000007d0, 0x000007d0, 0x0000044c, 0x00000898, 0x000007d0 } },
+	   { 0x000007d0, 0x0000044c, 0x00000898 } },
 	{ AR5K_PHY_FRAME_CTL_5211,
-	   { 0xf7b81000, 0xf7b81000, 0xf7b80d00, 0xf7b81000, 0xf7b81000 } },
+	   { 0xf7b81000, 0xf7b80d00, 0xf7b81000 } },
 	{ AR5K_PHY_CCKTXCTL,
-	   { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
+	   { 0x00000000, 0x00000000, 0x00000000 } },
 	{ AR5K_PHY_CCK_CROSSCORR,
-	   { 0xd6be6788, 0xd6be6788, 0xd03e6788, 0xd03e6788, 0xd03e6788 } },
+	   { 0xd6be6788, 0xd03e6788, 0xd03e6788 } },
 	{ AR5K_PHY_GAIN_2GHZ,
-	   { 0x002ec1e0, 0x002ec1e0, 0x002ac120, 0x002ac120, 0x002ac120 } },
+	   { 0x002ec1e0, 0x002ac120, 0x002ac120 } },
 	{ AR5K_PHY_CCK_RX_CTL_4,
-	   { 0x1883800a, 0x1883800a, 0x1863800a, 0x1883800a, 0x1883800a } },
+	   { 0x1883800a, 0x1863800a, 0x1883800a } },
 	{ 0xa300,
-	   { 0x18010000, 0x18010000, 0x18010000, 0x18010000, 0x18010000 } },
+	   { 0x18010000, 0x18010000, 0x18010000 } },
 	{ 0xa304,
-	   { 0x30032602, 0x30032602, 0x30032602, 0x30032602, 0x30032602 } },
+	   { 0x30032602, 0x30032602, 0x30032602 } },
 	{ 0xa308,
-	   { 0x48073e06, 0x48073e06, 0x48073e06, 0x48073e06, 0x48073e06 } },
+	   { 0x48073e06, 0x48073e06, 0x48073e06 } },
 	{ 0xa30c,
-	   { 0x560b4c0a, 0x560b4c0a, 0x560b4c0a, 0x560b4c0a, 0x560b4c0a } },
+	   { 0x560b4c0a, 0x560b4c0a, 0x560b4c0a } },
 	{ 0xa310,
-	   { 0x641a600f, 0x641a600f, 0x641a600f, 0x641a600f, 0x641a600f } },
+	   { 0x641a600f, 0x641a600f, 0x641a600f } },
 	{ 0xa314,
-	   { 0x784f6e1b, 0x784f6e1b, 0x784f6e1b, 0x784f6e1b, 0x784f6e1b } },
+	   { 0x784f6e1b, 0x784f6e1b, 0x784f6e1b } },
 	{ 0xa318,
-	   { 0x868f7c5a, 0x868f7c5a, 0x868f7c5a, 0x868f7c5a, 0x868f7c5a } },
+	   { 0x868f7c5a, 0x868f7c5a, 0x868f7c5a } },
 	{ 0xa31c,
-	   { 0x90cf865b, 0x90cf865b, 0x8ecf865b, 0x8ecf865b, 0x8ecf865b } },
+	   { 0x90cf865b, 0x8ecf865b, 0x8ecf865b } },
 	{ 0xa320,
-	   { 0x9d4f970f, 0x9d4f970f, 0x9b4f970f, 0x9b4f970f, 0x9b4f970f } },
+	   { 0x9d4f970f, 0x9b4f970f, 0x9b4f970f } },
 	{ 0xa324,
-	   { 0xa7cfa38f, 0xa7cfa38f, 0xa3cf9f8f, 0xa3cf9f8f, 0xa3cf9f8f } },
+	   { 0xa7cfa38f, 0xa3cf9f8f, 0xa3cf9f8f } },
 	{ 0xa328,
-	   { 0xb55faf1f, 0xb55faf1f, 0xb35faf1f, 0xb35faf1f, 0xb35faf1f } },
+	   { 0xb55faf1f, 0xb35faf1f, 0xb35faf1f } },
 	{ 0xa32c,
-	   { 0xbddfb99f, 0xbddfb99f, 0xbbdfb99f, 0xbbdfb99f, 0xbbdfb99f } },
+	   { 0xbddfb99f, 0xbbdfb99f, 0xbbdfb99f } },
 	{ 0xa330,
-	   { 0xcb7fc53f, 0xcb7fc53f, 0xcb7fc73f, 0xcb7fc73f, 0xcb7fc73f } },
+	   { 0xcb7fc53f, 0xcb7fc73f, 0xcb7fc73f } },
 	{ 0xa334,
-	   { 0xd5ffd1bf, 0xd5ffd1bf, 0xd3ffd1bf, 0xd3ffd1bf, 0xd3ffd1bf } },
+	   { 0xd5ffd1bf, 0xd3ffd1bf, 0xd3ffd1bf } },
 };
 
 static const struct ath5k_ini rf5413_ini_common_end[] = {
@@ -972,38 +968,38 @@ static const struct ath5k_ini rf5413_ini_common_end[] = {
 /* XXX: a mode ? */
 static const struct ath5k_ini_mode rf2413_ini_mode_end[] = {
 	{ AR5K_TXCFG,
-	/*	a/XR	   aTurbo	  b	   g (DYN)     gTurbo     */
-	   { 0x00000015, 0x00000015, 0x00000015, 0x00000015, 0x00000015 } },
+	/*	A/XR          B           G       */
+	   { 0x00000015, 0x00000015, 0x00000015 } },
 	{ AR5K_USEC_5211,
-	   { 0x128d93a7, 0x098813cf, 0x04e01395, 0x12e013ab, 0x098813cf } },
+	   { 0x128d93a7, 0x04e01395, 0x12e013ab } },
 	{ AR5K_PHY_RF_CTL3,
-	   { 0x0a020001, 0x0a020001, 0x05020000, 0x0a020001, 0x0a020001 } },
+	   { 0x0a020001, 0x05020000, 0x0a020001 } },
 	{ AR5K_PHY_RF_CTL4,
-	   { 0x00000e00, 0x00000e00, 0x00000e00, 0x00000e00, 0x00000e00 } },
+	   { 0x00000e00, 0x00000e00, 0x00000e00 } },
 	{ AR5K_PHY_PA_CTL,
-	   { 0x00000002, 0x00000002, 0x0000000a, 0x0000000a, 0x0000000a } },
+	   { 0x00000002, 0x0000000a, 0x0000000a } },
 	{ AR5K_PHY_GAIN,
-	   { 0x0018da6d, 0x0018da6d, 0x001a6a64, 0x001a6a64, 0x001a6a64 } },
+	   { 0x0018da6d, 0x001a6a64, 0x001a6a64 } },
 	{ AR5K_PHY_DESIRED_SIZE,
-	   { 0x0de8b4e0, 0x0de8b4e0, 0x0de8b0da, 0x0c98b0da, 0x0de8b0da } },
+	   { 0x0de8b4e0, 0x0de8b0da, 0x0c98b0da } },
 	{ AR5K_PHY_SIG,
-	   { 0x7e800d2e, 0x7e800d2e, 0x7ee80d2e, 0x7ec80d2e, 0x7e800d2e } },
+	   { 0x7e800d2e, 0x7ee80d2e, 0x7ec80d2e } },
 	{ AR5K_PHY_AGCCOARSE,
-	   { 0x3137665e, 0x3137665e, 0x3137665e, 0x3139605e, 0x3137665e } },
+	   { 0x3137665e, 0x3137665e, 0x3139605e } },
 	{ AR5K_PHY_WEAK_OFDM_LOW_THR,
-	   { 0x050cb081, 0x050cb081, 0x050cb081, 0x050cb081, 0x050cb081 } },
+	   { 0x050cb081, 0x050cb081, 0x050cb081 } },
 	{ AR5K_PHY_RX_DELAY,
-	   { 0x000007d0, 0x000007d0, 0x0000044c, 0x00000898, 0x000007d0 } },
+	   { 0x000007d0, 0x0000044c, 0x00000898 } },
 	{ AR5K_PHY_FRAME_CTL_5211,
-	   { 0xf7b81000, 0xf7b81000, 0xf7b80d00, 0xf7b81000, 0xf7b81000 } },
+	   { 0xf7b81000, 0xf7b80d00, 0xf7b81000 } },
 	{ AR5K_PHY_CCKTXCTL,
-	   { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
+	   { 0x00000000, 0x00000000, 0x00000000 } },
 	{ AR5K_PHY_CCK_CROSSCORR,
-	   { 0xd6be6788, 0xd6be6788, 0xd03e6788, 0xd03e6788, 0xd03e6788 } },
+	   { 0xd6be6788, 0xd03e6788, 0xd03e6788 } },
 	{ AR5K_PHY_GAIN_2GHZ,
-	   { 0x002c0140, 0x002c0140, 0x0042c140, 0x0042c140, 0x0042c140 } },
+	   { 0x002c0140, 0x0042c140, 0x0042c140 } },
 	{ AR5K_PHY_CCK_RX_CTL_4,
-	   { 0x1883800a, 0x1883800a, 0x1863800a, 0x1883800a, 0x1883800a } },
+	   { 0x1883800a, 0x1863800a, 0x1883800a } },
 };
 
 static const struct ath5k_ini rf2413_ini_common_end[] = {
@@ -1094,52 +1090,50 @@ static const struct ath5k_ini rf2413_ini_common_end[] = {
 /* XXX: a mode ? */
 static const struct ath5k_ini_mode rf2425_ini_mode_end[] = {
 	{ AR5K_TXCFG,
-	/*	a/XR	   aTurbo	  b	   g (DYN)     gTurbo     */
-	   { 0x00000015, 0x00000015, 0x00000015, 0x00000015, 0x00000015 } },
+	/*	A/XR          B           G       */
+	   { 0x00000015, 0x00000015, 0x00000015 } },
 	{ AR5K_USEC_5211,
-	   { 0x128d93a7, 0x098813cf, 0x04e01395, 0x12e013ab, 0x098813cf } },
-	{ AR5K_PHY_TURBO,
-	   { 0x00000000, 0x00000001, 0x00000000, 0x00000000, 0x00000001 } },
+	   { 0x128d93a7, 0x04e01395, 0x12e013ab } },
 	{ AR5K_PHY_RF_CTL3,
-	   { 0x0a020001, 0x0a020001, 0x05020100, 0x0a020001, 0x0a020001 } },
+	   { 0x0a020001, 0x05020100, 0x0a020001 } },
 	{ AR5K_PHY_RF_CTL4,
-	   { 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e } },
+	   { 0x00000e0e, 0x00000e0e, 0x00000e0e } },
 	{ AR5K_PHY_PA_CTL,
-	   { 0x00000003, 0x00000003, 0x0000000b, 0x0000000b, 0x0000000b } },
+	   { 0x00000003, 0x0000000b, 0x0000000b } },
 	{ AR5K_PHY_SETTLING,
-	   { 0x1372161c, 0x13721c25, 0x13721722, 0x13721422, 0x13721c25 } },
+	   { 0x1372161c, 0x13721722, 0x13721422 } },
 	{ AR5K_PHY_GAIN,
-	   { 0x0018fa61, 0x0018fa61, 0x00199a65, 0x00199a65, 0x00199a65 } },
+	   { 0x0018fa61, 0x00199a65, 0x00199a65 } },
 	{ AR5K_PHY_DESIRED_SIZE,
-	   { 0x0c98b4e0, 0x0c98b4e0, 0x0c98b0da, 0x0c98b0da, 0x0c98b0da } },
+	   { 0x0c98b4e0, 0x0c98b0da, 0x0c98b0da } },
 	{ AR5K_PHY_SIG,
-	   { 0x7ec80d2e, 0x7ec80d2e, 0x7ec80d2e, 0x7ec80d2e, 0x7ec80d2e } },
+	   { 0x7ec80d2e, 0x7ec80d2e, 0x7ec80d2e } },
 	{ AR5K_PHY_AGCCOARSE,
-	   { 0x3139605e, 0x3139605e, 0x3139605e, 0x3139605e, 0x3139605e } },
+	   { 0x3139605e, 0x3139605e, 0x3139605e } },
 	{ AR5K_PHY_WEAK_OFDM_LOW_THR,
-	   { 0x050cb081, 0x050cb081, 0x050cb081, 0x050cb081, 0x050cb081 } },
+	   { 0x050cb081, 0x050cb081, 0x050cb081 } },
 	{ AR5K_PHY_RX_DELAY,
-	   { 0x000007d0, 0x000007d0, 0x0000044c, 0x00000898, 0x000007d0 } },
+	   { 0x000007d0, 0x0000044c, 0x00000898 } },
 	{ AR5K_PHY_FRAME_CTL_5211,
-	   { 0xf7b81000, 0xf7b81000, 0xf7b80d00, 0xf7b81000, 0xf7b81000 } },
+	   { 0xf7b81000, 0xf7b80d00, 0xf7b81000 } },
 	{ AR5K_PHY_CCKTXCTL,
-	   { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 } },
+	   { 0x00000000, 0x00000000, 0x00000000 } },
 	{ AR5K_PHY_CCK_CROSSCORR,
-	   { 0xd6be6788, 0xd6be6788, 0xd03e6788, 0xd03e6788, 0xd03e6788 } },
+	   { 0xd6be6788, 0xd03e6788, 0xd03e6788 } },
 	{ AR5K_PHY_GAIN_2GHZ,
-	   { 0x00000140, 0x00000140, 0x0052c140, 0x0052c140, 0x0052c140 } },
+	   { 0x00000140, 0x0052c140, 0x0052c140 } },
 	{ AR5K_PHY_CCK_RX_CTL_4,
-	   { 0x1883800a, 0x1883800a, 0x1863800a, 0x1883800a, 0x1883800a } },
+	   { 0x1883800a, 0x1863800a, 0x1883800a } },
 	{ 0xa324,
-	   { 0xa7cfa7cf, 0xa7cfa7cf, 0xa7cfa7cf, 0xa7cfa7cf, 0xa7cfa7cf } },
+	   { 0xa7cfa7cf, 0xa7cfa7cf, 0xa7cfa7cf } },
 	{ 0xa328,
-	   { 0xa7cfa7cf, 0xa7cfa7cf, 0xa7cfa7cf, 0xa7cfa7cf, 0xa7cfa7cf } },
+	   { 0xa7cfa7cf, 0xa7cfa7cf, 0xa7cfa7cf } },
 	{ 0xa32c,
-	   { 0xa7cfa7cf, 0xa7cfa7cf, 0xa7cfa7cf, 0xa7cfa7cf, 0xa7cfa7cf } },
+	   { 0xa7cfa7cf, 0xa7cfa7cf, 0xa7cfa7cf } },
 	{ 0xa330,
-	   { 0xa7cfa7cf, 0xa7cfa7cf, 0xa7cfa7cf, 0xa7cfa7cf, 0xa7cfa7cf } },
+	   { 0xa7cfa7cf, 0xa7cfa7cf, 0xa7cfa7cf } },
 	{ 0xa334,
-	   { 0xa7cfa7cf, 0xa7cfa7cf, 0xa7cfa7cf, 0xa7cfa7cf, 0xa7cfa7cf } },
+	   { 0xa7cfa7cf, 0xa7cfa7cf, 0xa7cfa7cf } },
 };
 
 static const struct ath5k_ini rf2425_ini_common_end[] = {
@@ -1368,15 +1362,15 @@ static const struct ath5k_ini rf5112_ini_bbgain[] = {
  * Write initial register dump
  */
 static void ath5k_hw_ini_registers(struct ath5k_hw *ah, unsigned int size,
-		const struct ath5k_ini *ini_regs, bool change_channel)
+		const struct ath5k_ini *ini_regs, bool skip_pcu)
 {
 	unsigned int i;
 
 	/* Write initial registers */
 	for (i = 0; i < size; i++) {
-		/* On channel change there is
-		 * no need to mess with PCU */
-		if (change_channel &&
+		/* Skip PCU registers if
+		 * requested */
+		if (skip_pcu &&
 				ini_regs[i].ini_register >= AR5K_PCU_MIN &&
 				ini_regs[i].ini_register <= AR5K_PCU_MAX)
 			continue;
@@ -1409,7 +1403,7 @@ static void ath5k_hw_ini_mode_registers(struct ath5k_hw *ah,
 
 }
 
-int ath5k_hw_write_initvals(struct ath5k_hw *ah, u8 mode, bool change_channel)
+int ath5k_hw_write_initvals(struct ath5k_hw *ah, u8 mode, bool skip_pcu)
 {
 	/*
 	 * Write initial register settings
@@ -1427,7 +1421,7 @@ int ath5k_hw_write_initvals(struct ath5k_hw *ah, u8 mode, bool change_channel)
 		 * Write initial settings common for all modes
 		 */
 		ath5k_hw_ini_registers(ah, ARRAY_SIZE(ar5212_ini_common_start),
-				ar5212_ini_common_start, change_channel);
+				ar5212_ini_common_start, skip_pcu);
 
 		/* Second set of mode-specific settings */
 		switch (ah->ah_radio) {
@@ -1439,12 +1433,12 @@ int ath5k_hw_write_initvals(struct ath5k_hw *ah, u8 mode, bool change_channel)
 
 			ath5k_hw_ini_registers(ah,
 					ARRAY_SIZE(rf5111_ini_common_end),
-					rf5111_ini_common_end, change_channel);
+					rf5111_ini_common_end, skip_pcu);
 
 			/* Baseband gain table */
 			ath5k_hw_ini_registers(ah,
 					ARRAY_SIZE(rf5111_ini_bbgain),
-					rf5111_ini_bbgain, change_channel);
+					rf5111_ini_bbgain, skip_pcu);
 
 			break;
 		case AR5K_RF5112:
@@ -1455,11 +1449,11 @@ int ath5k_hw_write_initvals(struct ath5k_hw *ah, u8 mode, bool change_channel)
 
 			ath5k_hw_ini_registers(ah,
 					ARRAY_SIZE(rf5112_ini_common_end),
-					rf5112_ini_common_end, change_channel);
+					rf5112_ini_common_end, skip_pcu);
 
 			ath5k_hw_ini_registers(ah,
 					ARRAY_SIZE(rf5112_ini_bbgain),
-					rf5112_ini_bbgain, change_channel);
+					rf5112_ini_bbgain, skip_pcu);
 
 			break;
 		case AR5K_RF5413:
@@ -1470,11 +1464,11 @@ int ath5k_hw_write_initvals(struct ath5k_hw *ah, u8 mode, bool change_channel)
 
 			ath5k_hw_ini_registers(ah,
 					ARRAY_SIZE(rf5413_ini_common_end),
-					rf5413_ini_common_end, change_channel);
+					rf5413_ini_common_end, skip_pcu);
 
 			ath5k_hw_ini_registers(ah,
 					ARRAY_SIZE(rf5112_ini_bbgain),
-					rf5112_ini_bbgain, change_channel);
+					rf5112_ini_bbgain, skip_pcu);
 
 			break;
 		case AR5K_RF2316:
@@ -1486,7 +1480,7 @@ int ath5k_hw_write_initvals(struct ath5k_hw *ah, u8 mode, bool change_channel)
 
 			ath5k_hw_ini_registers(ah,
 					ARRAY_SIZE(rf2413_ini_common_end),
-					rf2413_ini_common_end, change_channel);
+					rf2413_ini_common_end, skip_pcu);
 
 			/* Override settings from rf2413_ini_common_end */
 			if (ah->ah_radio == AR5K_RF2316) {
@@ -1498,9 +1492,32 @@ int ath5k_hw_write_initvals(struct ath5k_hw *ah, u8 mode, bool change_channel)
 
 			ath5k_hw_ini_registers(ah,
 					ARRAY_SIZE(rf5112_ini_bbgain),
-					rf5112_ini_bbgain, change_channel);
+					rf5112_ini_bbgain, skip_pcu);
 			break;
 		case AR5K_RF2317:
+
+			ath5k_hw_ini_mode_registers(ah,
+					ARRAY_SIZE(rf2413_ini_mode_end),
+					rf2413_ini_mode_end, mode);
+
+			ath5k_hw_ini_registers(ah,
+					ARRAY_SIZE(rf2425_ini_common_end),
+					rf2425_ini_common_end, skip_pcu);
+
+			/* Override settings from rf2413_ini_mode_end */
+			ath5k_hw_reg_write(ah, 0x00180a65, AR5K_PHY_GAIN);
+
+			/* Override settings from rf2413_ini_common_end */
+			ath5k_hw_reg_write(ah, 0x00004000, AR5K_PHY_AGC);
+			AR5K_REG_WRITE_BITS(ah, AR5K_PHY_TPC_RG5,
+				AR5K_PHY_TPC_RG5_PD_GAIN_OVERLAP, 0xa);
+			ath5k_hw_reg_write(ah, 0x800000a8, 0x8140);
+			ath5k_hw_reg_write(ah, 0x000000ff, 0x9958);
+
+			ath5k_hw_ini_registers(ah,
+					ARRAY_SIZE(rf5112_ini_bbgain),
+					rf5112_ini_bbgain, skip_pcu);
+			break;
 		case AR5K_RF2425:
 
 			ath5k_hw_ini_mode_registers(ah,
@@ -1509,11 +1526,11 @@ int ath5k_hw_write_initvals(struct ath5k_hw *ah, u8 mode, bool change_channel)
 
 			ath5k_hw_ini_registers(ah,
 					ARRAY_SIZE(rf2425_ini_common_end),
-					rf2425_ini_common_end, change_channel);
+					rf2425_ini_common_end, skip_pcu);
 
 			ath5k_hw_ini_registers(ah,
 					ARRAY_SIZE(rf5112_ini_bbgain),
-					rf5112_ini_bbgain, change_channel);
+					rf5112_ini_bbgain, skip_pcu);
 			break;
 		default:
 			return -EINVAL;
@@ -1538,17 +1555,17 @@ int ath5k_hw_write_initvals(struct ath5k_hw *ah, u8 mode, bool change_channel)
 		 * Write initial settings common for all modes
 		 */
 		ath5k_hw_ini_registers(ah, ARRAY_SIZE(ar5211_ini),
-				ar5211_ini, change_channel);
+				ar5211_ini, skip_pcu);
 
 		/* AR5211 only comes with 5111 */
 
 		/* Baseband gain table */
 		ath5k_hw_ini_registers(ah, ARRAY_SIZE(rf5111_ini_bbgain),
-				rf5111_ini_bbgain, change_channel);
+				rf5111_ini_bbgain, skip_pcu);
 	/* For AR5210 (for mode settings check out ath5k_hw_reset_tx_queue) */
 	} else if (ah->ah_version == AR5K_AR5210) {
 		ath5k_hw_ini_registers(ah, ARRAY_SIZE(ar5210_ini),
-				ar5210_ini, change_channel);
+				ar5210_ini, skip_pcu);
 	}
 
 	return 0;

drivers/net/wireless/ath/ath5k/led.c

@@ -133,7 +133,7 @@ ath5k_register_led(struct ath5k_softc *sc, struct ath5k_led *led,
 	led->led_dev.default_trigger = trigger;
 	led->led_dev.brightness_set = ath5k_led_brightness_set;
 
-	err = led_classdev_register(&sc->pdev->dev, &led->led_dev);
+	err = led_classdev_register(sc->dev, &led->led_dev);
 	if (err) {
 		ATH5K_WARN(sc, "could not register LED %s\n", name);
 		led->sc = NULL;
@@ -161,11 +161,20 @@ int ath5k_init_leds(struct ath5k_softc *sc)
 {
 	int ret = 0;
 	struct ieee80211_hw *hw = sc->hw;
+#ifndef CONFIG_ATHEROS_AR231X
 	struct pci_dev *pdev = sc->pdev;
+#endif
 	char name[ATH5K_LED_MAX_NAME_LEN + 1];
 	const struct pci_device_id *match;
 
+	if (!sc->pdev)
+		return 0;
+
+#ifdef CONFIG_ATHEROS_AR231X
+	match = NULL;
+#else
 	match = pci_match_id(&ath5k_led_devices[0], pdev);
+#endif
 	if (match) {
 		__set_bit(ATH_STAT_LEDSOFT, sc->status);
 		sc->led_pin = ATH_PIN(match->driver_data);

drivers/net/wireless/ath/ath5k/pci.c

@@ -0,0 +1,326 @@
+/*
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/nl80211.h>
+#include <linux/pci.h>
+#include <linux/pci-aspm.h>
+#include "../ath.h"
+#include "ath5k.h"
+#include "debug.h"
+#include "base.h"
+#include "reg.h"
+
+/* Known PCI ids */
+static DEFINE_PCI_DEVICE_TABLE(ath5k_pci_id_table) = {
+	{ PCI_VDEVICE(ATHEROS, 0x0207) }, /* 5210 early */
+	{ PCI_VDEVICE(ATHEROS, 0x0007) }, /* 5210 */
+	{ PCI_VDEVICE(ATHEROS, 0x0011) }, /* 5311 - this is on AHB bus !*/
+	{ PCI_VDEVICE(ATHEROS, 0x0012) }, /* 5211 */
+	{ PCI_VDEVICE(ATHEROS, 0x0013) }, /* 5212 */
+	{ PCI_VDEVICE(3COM_2,  0x0013) }, /* 3com 5212 */
+	{ PCI_VDEVICE(3COM,    0x0013) }, /* 3com 3CRDAG675 5212 */
+	{ PCI_VDEVICE(ATHEROS, 0x1014) }, /* IBM minipci 5212 */
+	{ PCI_VDEVICE(ATHEROS, 0x0014) }, /* 5212 combatible */
+	{ PCI_VDEVICE(ATHEROS, 0x0015) }, /* 5212 combatible */
+	{ PCI_VDEVICE(ATHEROS, 0x0016) }, /* 5212 combatible */
+	{ PCI_VDEVICE(ATHEROS, 0x0017) }, /* 5212 combatible */
+	{ PCI_VDEVICE(ATHEROS, 0x0018) }, /* 5212 combatible */
+	{ PCI_VDEVICE(ATHEROS, 0x0019) }, /* 5212 combatible */
+	{ PCI_VDEVICE(ATHEROS, 0x001a) }, /* 2413 Griffin-lite */
+	{ PCI_VDEVICE(ATHEROS, 0x001b) }, /* 5413 Eagle */
+	{ PCI_VDEVICE(ATHEROS, 0x001c) }, /* PCI-E cards */
+	{ PCI_VDEVICE(ATHEROS, 0x001d) }, /* 2417 Nala */
+	{ 0 }
+};
+
+/* return bus cachesize in 4B word units */
+static void ath5k_pci_read_cachesize(struct ath_common *common, int *csz)
+{
+	struct ath5k_softc *sc = (struct ath5k_softc *) common->priv;
+	u8 u8tmp;
+
+	pci_read_config_byte(sc->pdev, PCI_CACHE_LINE_SIZE, &u8tmp);
+	*csz = (int)u8tmp;
+
+	/*
+	 * This check was put in to avoid "unplesant" consequences if
+	 * the bootrom has not fully initialized all PCI devices.
+	 * Sometimes the cache line size register is not set
+	 */
+
+	if (*csz == 0)
+		*csz = L1_CACHE_BYTES >> 2;   /* Use the default size */
+}
+
+/*
+ * Read from eeprom
+ */
+bool ath5k_pci_eeprom_read(struct ath_common *common, u32 offset, u16 *data)
+{
+	struct ath5k_hw *ah = (struct ath5k_hw *) common->ah;
+	u32 status, timeout;
+
+	/*
+	 * Initialize EEPROM access
+	 */
+	if (ah->ah_version == AR5K_AR5210) {
+		AR5K_REG_ENABLE_BITS(ah, AR5K_PCICFG, AR5K_PCICFG_EEAE);
+		(void)ath5k_hw_reg_read(ah, AR5K_EEPROM_BASE + (4 * offset));
+	} else {
+		ath5k_hw_reg_write(ah, offset, AR5K_EEPROM_BASE);
+		AR5K_REG_ENABLE_BITS(ah, AR5K_EEPROM_CMD,
+				AR5K_EEPROM_CMD_READ);
+	}
+
+	for (timeout = AR5K_TUNE_REGISTER_TIMEOUT; timeout > 0; timeout--) {
+		status = ath5k_hw_reg_read(ah, AR5K_EEPROM_STATUS);
+		if (status & AR5K_EEPROM_STAT_RDDONE) {
+			if (status & AR5K_EEPROM_STAT_RDERR)
+				return -EIO;
+			*data = (u16)(ath5k_hw_reg_read(ah, AR5K_EEPROM_DATA) &
+					0xffff);
+			return 0;
+		}
+		udelay(15);
+	}
+
+	return -ETIMEDOUT;
+}
+
+int ath5k_hw_read_srev(struct ath5k_hw *ah)
+{
+	ah->ah_mac_srev = ath5k_hw_reg_read(ah, AR5K_SREV);
+	return 0;
+}
+
+/* Common ath_bus_opts structure */
+static const struct ath_bus_ops ath_pci_bus_ops = {
+	.ath_bus_type = ATH_PCI,
+	.read_cachesize = ath5k_pci_read_cachesize,
+	.eeprom_read = ath5k_pci_eeprom_read,
+};
+
+/********************\
+* PCI Initialization *
+\********************/
+
+static int __devinit
+ath5k_pci_probe(struct pci_dev *pdev,
+		const struct pci_device_id *id)
+{
+	void __iomem *mem;
+	struct ath5k_softc *sc;
+	struct ieee80211_hw *hw;
+	int ret;
+	u8 csz;
+
+	/*
+	 * L0s needs to be disabled on all ath5k cards.
+	 *
+	 * For distributions shipping with CONFIG_PCIEASPM (this will be enabled
+	 * by default in the future in 2.6.36) this will also mean both L1 and
+	 * L0s will be disabled when a pre 1.1 PCIe device is detected. We do
+	 * know L1 works correctly even for all ath5k pre 1.1 PCIe devices
+	 * though but cannot currently undue the effect of a blacklist, for
+	 * details you can read pcie_aspm_sanity_check() and see how it adjusts
+	 * the device link capability.
+	 *
+	 * It may be possible in the future to implement some PCI API to allow
+	 * drivers to override blacklists for pre 1.1 PCIe but for now it is
+	 * best to accept that both L0s and L1 will be disabled completely for
+	 * distributions shipping with CONFIG_PCIEASPM rather than having this
+	 * issue present. Motivation for adding this new API will be to help
+	 * with power consumption for some of these devices.
+	 */
+	pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S);
+
+	ret = pci_enable_device(pdev);
+	if (ret) {
+		dev_err(&pdev->dev, "can't enable device\n");
+		goto err;
+	}
+
+	/* XXX 32-bit addressing only */
+	ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+	if (ret) {
+		dev_err(&pdev->dev, "32-bit DMA not available\n");
+		goto err_dis;
+	}
+
+	/*
+	 * Cache line size is used to size and align various
+	 * structures used to communicate with the hardware.
+	 */
+	pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &csz);
+	if (csz == 0) {
+		/*
+		 * Linux 2.4.18 (at least) writes the cache line size
+		 * register as a 16-bit wide register which is wrong.
+		 * We must have this setup properly for rx buffer
+		 * DMA to work so force a reasonable value here if it
+		 * comes up zero.
+		 */
+		csz = L1_CACHE_BYTES >> 2;
+		pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, csz);
+	}
+	/*
+	 * The default setting of latency timer yields poor results,
+	 * set it to the value used by other systems.  It may be worth
+	 * tweaking this setting more.
+	 */
+	pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0xa8);
+
+	/* Enable bus mastering */
+	pci_set_master(pdev);
+
+	/*
+	 * Disable the RETRY_TIMEOUT register (0x41) to keep
+	 * PCI Tx retries from interfering with C3 CPU state.
+	 */
+	pci_write_config_byte(pdev, 0x41, 0);
+
+	ret = pci_request_region(pdev, 0, "ath5k");
+	if (ret) {
+		dev_err(&pdev->dev, "cannot reserve PCI memory region\n");
+		goto err_dis;
+	}
+
+	mem = pci_iomap(pdev, 0, 0);
+	if (!mem) {
+		dev_err(&pdev->dev, "cannot remap PCI memory region\n") ;
+		ret = -EIO;
+		goto err_reg;
+	}
+
+	/*
+	 * Allocate hw (mac80211 main struct)
+	 * and hw->priv (driver private data)
+	 */
+	hw = ieee80211_alloc_hw(sizeof(*sc), &ath5k_hw_ops);
+	if (hw == NULL) {
+		dev_err(&pdev->dev, "cannot allocate ieee80211_hw\n");
+		ret = -ENOMEM;
+		goto err_map;
+	}
+
+	dev_info(&pdev->dev, "registered as '%s'\n", wiphy_name(hw->wiphy));
+
+	sc = hw->priv;
+	sc->hw = hw;
+	sc->pdev = pdev;
+	sc->dev = &pdev->dev;
+	sc->irq = pdev->irq;
+	sc->devid = id->device;
+	sc->iobase = mem; /* So we can unmap it on detach */
+
+	/* Initialize */
+	ret = ath5k_init_softc(sc, &ath_pci_bus_ops);
+	if (ret)
+		goto err_free;
+
+	/* Set private data */
+	pci_set_drvdata(pdev, hw);
+
+	return 0;
+err_free:
+	ieee80211_free_hw(hw);
+err_map:
+	pci_iounmap(pdev, mem);
+err_reg:
+	pci_release_region(pdev, 0);
+err_dis:
+	pci_disable_device(pdev);
+err:
+	return ret;
+}
+
+static void __devexit
+ath5k_pci_remove(struct pci_dev *pdev)
+{
+	struct ieee80211_hw *hw = pci_get_drvdata(pdev);
+	struct ath5k_softc *sc = hw->priv;
+
+	ath5k_deinit_softc(sc);
+	pci_iounmap(pdev, sc->iobase);
+	pci_release_region(pdev, 0);
+	pci_disable_device(pdev);
+	ieee80211_free_hw(hw);
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int ath5k_pci_suspend(struct device *dev)
+{
+	struct ath5k_softc *sc = pci_get_drvdata(to_pci_dev(dev));
+
+	ath5k_led_off(sc);
+	return 0;
+}
+
+static int ath5k_pci_resume(struct device *dev)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+	struct ath5k_softc *sc = pci_get_drvdata(pdev);
+
+	/*
+	 * Suspend/Resume resets the PCI configuration space, so we have to
+	 * re-disable the RETRY_TIMEOUT register (0x41) to keep
+	 * PCI Tx retries from interfering with C3 CPU state
+	 */
+	pci_write_config_byte(pdev, 0x41, 0);
+
+	ath5k_led_enable(sc);
+	return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(ath5k_pm_ops, ath5k_pci_suspend, ath5k_pci_resume);
+#define ATH5K_PM_OPS	(&ath5k_pm_ops)
+#else
+#define ATH5K_PM_OPS	NULL
+#endif /* CONFIG_PM_SLEEP */
+
+static struct pci_driver ath5k_pci_driver = {
+	.name		= KBUILD_MODNAME,
+	.id_table	= ath5k_pci_id_table,
+	.probe		= ath5k_pci_probe,
+	.remove		= __devexit_p(ath5k_pci_remove),
+	.driver.pm	= ATH5K_PM_OPS,
+};
+
+/*
+ * Module init/exit functions
+ */
+static int __init
+init_ath5k_pci(void)
+{
+	int ret;
+
+	ret = pci_register_driver(&ath5k_pci_driver);
+	if (ret) {
+		printk(KERN_ERR "ath5k_pci: can't register pci driver\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static void __exit
+exit_ath5k_pci(void)
+{
+	pci_unregister_driver(&ath5k_pci_driver);
+}
+
+module_init(init_ath5k_pci);
+module_exit(exit_ath5k_pci);

drivers/net/wireless/ath/ath5k/pcu.c

@@ -31,87 +31,163 @@
 #include "debug.h"
 #include "base.h"
 
+/*
+ * AR5212+ can use higher rates for ack transmition
+ * based on current tx rate instead of the base rate.
+ * It does this to better utilize channel usage.
+ * This is a mapping between G rates (that cover both
+ * CCK and OFDM) and ack rates that we use when setting
+ * rate -> duration table. This mapping is hw-based so
+ * don't change anything.
+ *
+ * To enable this functionality we must set
+ * ah->ah_ack_bitrate_high to true else base rate is
+ * used (1Mb for CCK, 6Mb for OFDM).
+ */
+static const unsigned int ack_rates_high[] =
+/* Tx	-> ACK	*/
+/* 1Mb	-> 1Mb	*/	{ 0,
+/* 2MB	-> 2Mb	*/	1,
+/* 5.5Mb -> 2Mb	*/	1,
+/* 11Mb	-> 2Mb	*/	1,
+/* 6Mb	-> 6Mb	*/	4,
+/* 9Mb	-> 6Mb	*/	4,
+/* 12Mb	-> 12Mb	*/	6,
+/* 18Mb	-> 12Mb	*/	6,
+/* 24Mb	-> 24Mb	*/	8,
+/* 36Mb	-> 24Mb	*/	8,
+/* 48Mb	-> 24Mb	*/	8,
+/* 54Mb	-> 24Mb	*/	8 };
+
 /*******************\
-* Generic functions *
+* Helper functions *
 \*******************/
 
 /**
- * ath5k_hw_set_opmode - Set PCU operating mode
+ * ath5k_hw_get_frame_duration - Get tx time of a frame
  *
  * @ah: The &struct ath5k_hw
- * @op_mode: &enum nl80211_iftype operating mode
+ * @len: Frame's length in bytes
+ * @rate: The @struct ieee80211_rate
  *
- * Initialize PCU for the various operating modes (AP/STA etc)
+ * Calculate tx duration of a frame given it's rate and length
+ * It extends ieee80211_generic_frame_duration for non standard
+ * bwmodes.
  */
-int ath5k_hw_set_opmode(struct ath5k_hw *ah, enum nl80211_iftype op_mode)
+int ath5k_hw_get_frame_duration(struct ath5k_hw *ah,
+		int len, struct ieee80211_rate *rate)
 {
-	struct ath_common *common = ath5k_hw_common(ah);
-	u32 pcu_reg, beacon_reg, low_id, high_id;
+	struct ath5k_softc *sc = ah->ah_sc;
+	int sifs, preamble, plcp_bits, sym_time;
+	int bitrate, bits, symbols, symbol_bits;
+	int dur;
+
+	/* Fallback */
+	if (!ah->ah_bwmode) {
+		dur = ieee80211_generic_frame_duration(sc->hw,
+						NULL, len, rate);
+		return dur;
+	}
 
-	ATH5K_DBG(ah->ah_sc, ATH5K_DEBUG_MODE, "mode %d\n", op_mode);
+	bitrate = rate->bitrate;
+	preamble = AR5K_INIT_OFDM_PREAMPLE_TIME;
+	plcp_bits = AR5K_INIT_OFDM_PLCP_BITS;
+	sym_time = AR5K_INIT_OFDM_SYMBOL_TIME;
 
-	/* Preserve rest settings */
-	pcu_reg = ath5k_hw_reg_read(ah, AR5K_STA_ID1) & 0xffff0000;
-	pcu_reg &= ~(AR5K_STA_ID1_ADHOC | AR5K_STA_ID1_AP
-			| AR5K_STA_ID1_KEYSRCH_MODE
-			| (ah->ah_version == AR5K_AR5210 ?
-			(AR5K_STA_ID1_PWR_SV | AR5K_STA_ID1_NO_PSPOLL) : 0));
+	switch (ah->ah_bwmode) {
+	case AR5K_BWMODE_40MHZ:
+		sifs = AR5K_INIT_SIFS_TURBO;
+		preamble = AR5K_INIT_OFDM_PREAMBLE_TIME_MIN;
+		break;
+	case AR5K_BWMODE_10MHZ:
+		sifs = AR5K_INIT_SIFS_HALF_RATE;
+		preamble *= 2;
+		sym_time *= 2;
+		break;
+	case AR5K_BWMODE_5MHZ:
+		sifs = AR5K_INIT_SIFS_QUARTER_RATE;
+		preamble *= 4;
+		sym_time *= 4;
+		break;
+	default:
+		sifs = AR5K_INIT_SIFS_DEFAULT_BG;
+		break;
+	}
 
-	beacon_reg = 0;
+	bits = plcp_bits + (len << 3);
+	/* Bit rate is in 100Kbits */
+	symbol_bits = bitrate * sym_time;
+	symbols = DIV_ROUND_UP(bits * 10, symbol_bits);
 
-	switch (op_mode) {
-	case NL80211_IFTYPE_ADHOC:
-		pcu_reg |= AR5K_STA_ID1_ADHOC | AR5K_STA_ID1_KEYSRCH_MODE;
-		beacon_reg |= AR5K_BCR_ADHOC;
-		if (ah->ah_version == AR5K_AR5210)
-			pcu_reg |= AR5K_STA_ID1_NO_PSPOLL;
-		else
-			AR5K_REG_ENABLE_BITS(ah, AR5K_CFG, AR5K_CFG_IBSS);
-		break;
+	dur = sifs + preamble + (sym_time * symbols);
 
-	case NL80211_IFTYPE_AP:
-	case NL80211_IFTYPE_MESH_POINT:
-		pcu_reg |= AR5K_STA_ID1_AP | AR5K_STA_ID1_KEYSRCH_MODE;
-		beacon_reg |= AR5K_BCR_AP;
-		if (ah->ah_version == AR5K_AR5210)
-			pcu_reg |= AR5K_STA_ID1_NO_PSPOLL;
-		else
-			AR5K_REG_DISABLE_BITS(ah, AR5K_CFG, AR5K_CFG_IBSS);
-		break;
+	return dur;
+}
 
-	case NL80211_IFTYPE_STATION:
-		pcu_reg |= AR5K_STA_ID1_KEYSRCH_MODE
-			| (ah->ah_version == AR5K_AR5210 ?
-				AR5K_STA_ID1_PWR_SV : 0);
-	case NL80211_IFTYPE_MONITOR:
-		pcu_reg |= AR5K_STA_ID1_KEYSRCH_MODE
-			| (ah->ah_version == AR5K_AR5210 ?
-				AR5K_STA_ID1_NO_PSPOLL : 0);
-		break;
+/**
+ * ath5k_hw_get_default_slottime - Get the default slot time for current mode
+ *
+ * @ah: The &struct ath5k_hw
+ */
+unsigned int ath5k_hw_get_default_slottime(struct ath5k_hw *ah)
+{
+	struct ieee80211_channel *channel = ah->ah_current_channel;
+	unsigned int slot_time;
 
+	switch (ah->ah_bwmode) {
+	case AR5K_BWMODE_40MHZ:
+		slot_time = AR5K_INIT_SLOT_TIME_TURBO;
+		break;
+	case AR5K_BWMODE_10MHZ:
+		slot_time = AR5K_INIT_SLOT_TIME_HALF_RATE;
+		break;
+	case AR5K_BWMODE_5MHZ:
+		slot_time = AR5K_INIT_SLOT_TIME_QUARTER_RATE;
+		break;
+	case AR5K_BWMODE_DEFAULT:
+		slot_time = AR5K_INIT_SLOT_TIME_DEFAULT;
 	default:
-		return -EINVAL;
+		if (channel->hw_value & CHANNEL_CCK)
+			slot_time = AR5K_INIT_SLOT_TIME_B;
+		break;
 	}
 
-	/*
-	 * Set PCU registers
-	 */
-	low_id = get_unaligned_le32(common->macaddr);
-	high_id = get_unaligned_le16(common->macaddr + 4);
-	ath5k_hw_reg_write(ah, low_id, AR5K_STA_ID0);
-	ath5k_hw_reg_write(ah, pcu_reg | high_id, AR5K_STA_ID1);
+	return slot_time;
+}
 
-	/*
-	 * Set Beacon Control Register on 5210
-	 */
-	if (ah->ah_version == AR5K_AR5210)
-		ath5k_hw_reg_write(ah, beacon_reg, AR5K_BCR);
+/**
+ * ath5k_hw_get_default_sifs - Get the default SIFS for current mode
+ *
+ * @ah: The &struct ath5k_hw
+ */
+unsigned int ath5k_hw_get_default_sifs(struct ath5k_hw *ah)
+{
+	struct ieee80211_channel *channel = ah->ah_current_channel;
+	unsigned int sifs;
 
-	return 0;
+	switch (ah->ah_bwmode) {
+	case AR5K_BWMODE_40MHZ:
+		sifs = AR5K_INIT_SIFS_TURBO;
+		break;
+	case AR5K_BWMODE_10MHZ:
+		sifs = AR5K_INIT_SIFS_HALF_RATE;
+		break;
+	case AR5K_BWMODE_5MHZ:
+		sifs = AR5K_INIT_SIFS_QUARTER_RATE;
+		break;
+	case AR5K_BWMODE_DEFAULT:
+		sifs = AR5K_INIT_SIFS_DEFAULT_BG;
+	default:
+		if (channel->hw_value & CHANNEL_5GHZ)
+			sifs = AR5K_INIT_SIFS_DEFAULT_A;
+		break;
+	}
+
+	return sifs;
 }
 
 /**
- * ath5k_hw_update - Update MIB counters (mac layer statistics)
+ * ath5k_hw_update_mib_counters - Update MIB counters (mac layer statistics)
  *
  * @ah: The &struct ath5k_hw
  *
@@ -133,36 +209,88 @@ void ath5k_hw_update_mib_counters(struct ath5k_hw *ah)
 	stats->beacons += ath5k_hw_reg_read(ah, AR5K_BEACON_CNT);
 }
 
+
+/******************\
+* ACK/CTS Timeouts *
+\******************/
+
 /**
- * ath5k_hw_set_ack_bitrate - set bitrate for ACKs
+ * ath5k_hw_write_rate_duration - fill rate code to duration table
  *
- * @ah: The &struct ath5k_hw
- * @high: Flag to determine if we want to use high transmission rate
- * for ACKs or not
+ * @ah: the &struct ath5k_hw
+ * @mode: one of enum ath5k_driver_mode
+ *
+ * Write the rate code to duration table upon hw reset. This is a helper for
+ * ath5k_hw_pcu_init(). It seems all this is doing is setting an ACK timeout on
+ * the hardware, based on current mode, for each rate. The rates which are
+ * capable of short preamble (802.11b rates 2Mbps, 5.5Mbps, and 11Mbps) have
+ * different rate code so we write their value twice (one for long preamble
+ * and one for short).
+ *
+ * Note: Band doesn't matter here, if we set the values for OFDM it works
+ * on both a and g modes. So all we have to do is set values for all g rates
+ * that include all OFDM and CCK rates.
  *
- * If high flag is set, we tell hw to use a set of control rates based on
- * the current transmission rate (check out control_rates array inside reset.c).
- * If not hw just uses the lowest rate available for the current modulation
- * scheme being used (1Mbit for CCK and 6Mbits for OFDM).
  */
-void ath5k_hw_set_ack_bitrate_high(struct ath5k_hw *ah, bool high)
+static inline void ath5k_hw_write_rate_duration(struct ath5k_hw *ah)
 {
-	if (ah->ah_version != AR5K_AR5212)
-		return;
-	else {
-		u32 val = AR5K_STA_ID1_BASE_RATE_11B | AR5K_STA_ID1_ACKCTS_6MB;
-		if (high)
-			AR5K_REG_DISABLE_BITS(ah, AR5K_STA_ID1, val);
+	struct ath5k_softc *sc = ah->ah_sc;
+	struct ieee80211_rate *rate;
+	unsigned int i;
+	/* 802.11g covers both OFDM and CCK */
+	u8 band = IEEE80211_BAND_2GHZ;
+
+	/* Write rate duration table */
+	for (i = 0; i < sc->sbands[band].n_bitrates; i++) {
+		u32 reg;
+		u16 tx_time;
+
+		if (ah->ah_ack_bitrate_high)
+			rate = &sc->sbands[band].bitrates[ack_rates_high[i]];
+		/* CCK -> 1Mb */
+		else if (i < 4)
+			rate = &sc->sbands[band].bitrates[0];
+		/* OFDM -> 6Mb */
 		else
-			AR5K_REG_ENABLE_BITS(ah, AR5K_STA_ID1, val);
+			rate = &sc->sbands[band].bitrates[4];
+
+		/* Set ACK timeout */
+		reg = AR5K_RATE_DUR(rate->hw_value);
+
+		/* An ACK frame consists of 10 bytes. If you add the FCS,
+		 * which ieee80211_generic_frame_duration() adds,
+		 * its 14 bytes. Note we use the control rate and not the
+		 * actual rate for this rate. See mac80211 tx.c
+		 * ieee80211_duration() for a brief description of
+		 * what rate we should choose to TX ACKs. */
+		tx_time = ath5k_hw_get_frame_duration(ah, 10, rate);
+
+		tx_time = le16_to_cpu(tx_time);
+
+		ath5k_hw_reg_write(ah, tx_time, reg);
+
+		if (!(rate->flags & IEEE80211_RATE_SHORT_PREAMBLE))
+			continue;
+
+		/*
+		 * We're not distinguishing short preamble here,
+		 * This is true, all we'll get is a longer value here
+		 * which is not necessarilly bad. We could use
+		 * export ieee80211_frame_duration() but that needs to be
+		 * fixed first to be properly used by mac802111 drivers:
+		 *
+		 *  - remove erp stuff and let the routine figure ofdm
+		 *    erp rates
+		 *  - remove passing argument ieee80211_local as
+		 *    drivers don't have access to it
+		 *  - move drivers using ieee80211_generic_frame_duration()
+		 *    to this
+		 */
+		ath5k_hw_reg_write(ah, tx_time,
+			reg + (AR5K_SET_SHORT_PREAMBLE << 2));
 	}
 }
 
-
-/******************\
-* ACK/CTS Timeouts *
-\******************/
-
 /**
  * ath5k_hw_set_ack_timeout - Set ACK timeout on PCU
  *
@@ -199,88 +327,10 @@ static int ath5k_hw_set_cts_timeout(struct ath5k_hw *ah, unsigned int timeout)
 	return 0;
 }
 
-/**
- * ath5k_hw_htoclock - Translate usec to hw clock units
- *
- * @ah: The &struct ath5k_hw
- * @usec: value in microseconds
- */
-unsigned int ath5k_hw_htoclock(struct ath5k_hw *ah, unsigned int usec)
-{
-	struct ath_common *common = ath5k_hw_common(ah);
-	return usec * common->clockrate;
-}
-
-/**
- * ath5k_hw_clocktoh - Translate hw clock units to usec
- * @clock: value in hw clock units
- */
-unsigned int ath5k_hw_clocktoh(struct ath5k_hw *ah, unsigned int clock)
-{
-	struct ath_common *common = ath5k_hw_common(ah);
-	return clock / common->clockrate;
-}
-
-/**
- * ath5k_hw_set_clockrate - Set common->clockrate for the current channel
- *
- * @ah: The &struct ath5k_hw
- */
-void ath5k_hw_set_clockrate(struct ath5k_hw *ah)
-{
-	struct ieee80211_channel *channel = ah->ah_current_channel;
-	struct ath_common *common = ath5k_hw_common(ah);
-	int clock;
-
-	if (channel->hw_value & CHANNEL_5GHZ)
-		clock = 40; /* 802.11a */
-	else if (channel->hw_value & CHANNEL_CCK)
-		clock = 22; /* 802.11b */
-	else
-		clock = 44; /* 802.11g */
-
-	/* Clock rate in turbo modes is twice the normal rate */
-	if (channel->hw_value & CHANNEL_TURBO)
-		clock *= 2;
-
-	common->clockrate = clock;
-}
-
-/**
- * ath5k_hw_get_default_slottime - Get the default slot time for current mode
- *
- * @ah: The &struct ath5k_hw
- */
-static unsigned int ath5k_hw_get_default_slottime(struct ath5k_hw *ah)
-{
-	struct ieee80211_channel *channel = ah->ah_current_channel;
-
-	if (channel->hw_value & CHANNEL_TURBO)
-		return 6; /* both turbo modes */
-
-	if (channel->hw_value & CHANNEL_CCK)
-		return 20; /* 802.11b */
-
-	return 9; /* 802.11 a/g */
-}
-
-/**
- * ath5k_hw_get_default_sifs - Get the default SIFS for current mode
- *
- * @ah: The &struct ath5k_hw
- */
-static unsigned int ath5k_hw_get_default_sifs(struct ath5k_hw *ah)
-{
-	struct ieee80211_channel *channel = ah->ah_current_channel;
-
-	if (channel->hw_value & CHANNEL_TURBO)
-		return 8; /* both turbo modes */
 
-	if (channel->hw_value & CHANNEL_5GHZ)
-		return 16; /* 802.11a */
-
-	return 10; /* 802.11 b/g */
-}
+/*******************\
+* RX filter Control *
+\*******************/
 
 /**
  * ath5k_hw_set_lladdr - Set station id
@@ -362,39 +412,6 @@ void ath5k_hw_set_bssid_mask(struct ath5k_hw *ah, const u8 *mask)
 		ath_hw_setbssidmask(common);
 }
 
-/************\
-* RX Control *
-\************/
-
-/**
- * ath5k_hw_start_rx_pcu - Start RX engine
- *
- * @ah: The &struct ath5k_hw
- *
- * Starts RX engine on PCU so that hw can process RXed frames
- * (ACK etc).
- *
- * NOTE: RX DMA should be already enabled using ath5k_hw_start_rx_dma
- */
-void ath5k_hw_start_rx_pcu(struct ath5k_hw *ah)
-{
-	AR5K_REG_DISABLE_BITS(ah, AR5K_DIAG_SW, AR5K_DIAG_SW_DIS_RX);
-}
-
-/**
- * at5k_hw_stop_rx_pcu - Stop RX engine
- *
- * @ah: The &struct ath5k_hw
- *
- * Stops RX engine on PCU
- *
- * TODO: Detach ANI here
- */
-void ath5k_hw_stop_rx_pcu(struct ath5k_hw *ah)
-{
-	AR5K_REG_ENABLE_BITS(ah, AR5K_DIAG_SW, AR5K_DIAG_SW_DIS_RX);
-}
-
 /*
  * Set multicast filter
  */
@@ -746,7 +763,7 @@ ath5k_hw_check_beacon_timers(struct ath5k_hw *ah, int intval)
  * @ah: The &struct ath5k_hw
  * @coverage_class: IEEE 802.11 coverage class number
  *
- * Sets slot time, ACK timeout and CTS timeout for given coverage class.
+ * Sets IFS intervals and ACK/CTS timeouts for given coverage class.
  */
 void ath5k_hw_set_coverage_class(struct ath5k_hw *ah, u8 coverage_class)
 {
@@ -755,9 +772,175 @@ void ath5k_hw_set_coverage_class(struct ath5k_hw *ah, u8 coverage_class)
 	int ack_timeout = ath5k_hw_get_default_sifs(ah) + slot_time;
 	int cts_timeout = ack_timeout;
 
-	ath5k_hw_set_slot_time(ah, slot_time);
+	ath5k_hw_set_ifs_intervals(ah, slot_time);
 	ath5k_hw_set_ack_timeout(ah, ack_timeout);
 	ath5k_hw_set_cts_timeout(ah, cts_timeout);
 
 	ah->ah_coverage_class = coverage_class;
 }
+
+/***************************\
+* Init/Start/Stop functions *
+\***************************/
+
+/**
+ * ath5k_hw_start_rx_pcu - Start RX engine
+ *
+ * @ah: The &struct ath5k_hw
+ *
+ * Starts RX engine on PCU so that hw can process RXed frames
+ * (ACK etc).
+ *
+ * NOTE: RX DMA should be already enabled using ath5k_hw_start_rx_dma
+ */
+void ath5k_hw_start_rx_pcu(struct ath5k_hw *ah)
+{
+	AR5K_REG_DISABLE_BITS(ah, AR5K_DIAG_SW, AR5K_DIAG_SW_DIS_RX);
+}
+
+/**
+ * at5k_hw_stop_rx_pcu - Stop RX engine
+ *
+ * @ah: The &struct ath5k_hw
+ *
+ * Stops RX engine on PCU
+ */
+void ath5k_hw_stop_rx_pcu(struct ath5k_hw *ah)
+{
+	AR5K_REG_ENABLE_BITS(ah, AR5K_DIAG_SW, AR5K_DIAG_SW_DIS_RX);
+}
+
+/**
+ * ath5k_hw_set_opmode - Set PCU operating mode
+ *
+ * @ah: The &struct ath5k_hw
+ * @op_mode: &enum nl80211_iftype operating mode
+ *
+ * Configure PCU for the various operating modes (AP/STA etc)
+ */
+int ath5k_hw_set_opmode(struct ath5k_hw *ah, enum nl80211_iftype op_mode)
+{
+	struct ath_common *common = ath5k_hw_common(ah);
+	u32 pcu_reg, beacon_reg, low_id, high_id;
+
+	ATH5K_DBG(ah->ah_sc, ATH5K_DEBUG_MODE, "mode %d\n", op_mode);
+
+	/* Preserve rest settings */
+	pcu_reg = ath5k_hw_reg_read(ah, AR5K_STA_ID1) & 0xffff0000;
+	pcu_reg &= ~(AR5K_STA_ID1_ADHOC | AR5K_STA_ID1_AP
+			| AR5K_STA_ID1_KEYSRCH_MODE
+			| (ah->ah_version == AR5K_AR5210 ?
+			(AR5K_STA_ID1_PWR_SV | AR5K_STA_ID1_NO_PSPOLL) : 0));
+
+	beacon_reg = 0;
+
+	switch (op_mode) {
+	case NL80211_IFTYPE_ADHOC:
+		pcu_reg |= AR5K_STA_ID1_ADHOC | AR5K_STA_ID1_KEYSRCH_MODE;
+		beacon_reg |= AR5K_BCR_ADHOC;
+		if (ah->ah_version == AR5K_AR5210)
+			pcu_reg |= AR5K_STA_ID1_NO_PSPOLL;
+		else
+			AR5K_REG_ENABLE_BITS(ah, AR5K_CFG, AR5K_CFG_IBSS);
+		break;
+
+	case NL80211_IFTYPE_AP:
+	case NL80211_IFTYPE_MESH_POINT:
+		pcu_reg |= AR5K_STA_ID1_AP | AR5K_STA_ID1_KEYSRCH_MODE;
+		beacon_reg |= AR5K_BCR_AP;
+		if (ah->ah_version == AR5K_AR5210)
+			pcu_reg |= AR5K_STA_ID1_NO_PSPOLL;
+		else
+			AR5K_REG_DISABLE_BITS(ah, AR5K_CFG, AR5K_CFG_IBSS);
+		break;
+
+	case NL80211_IFTYPE_STATION:
+		pcu_reg |= AR5K_STA_ID1_KEYSRCH_MODE
+			| (ah->ah_version == AR5K_AR5210 ?
+				AR5K_STA_ID1_PWR_SV : 0);
+	case NL80211_IFTYPE_MONITOR:
+		pcu_reg |= AR5K_STA_ID1_KEYSRCH_MODE
+			| (ah->ah_version == AR5K_AR5210 ?
+				AR5K_STA_ID1_NO_PSPOLL : 0);
+		break;
+
+	default:
+		return -EINVAL;
+	}
+
+	/*
+	 * Set PCU registers
+	 */
+	low_id = get_unaligned_le32(common->macaddr);
+	high_id = get_unaligned_le16(common->macaddr + 4);
+	ath5k_hw_reg_write(ah, low_id, AR5K_STA_ID0);
+	ath5k_hw_reg_write(ah, pcu_reg | high_id, AR5K_STA_ID1);
+
+	/*
+	 * Set Beacon Control Register on 5210
+	 */
+	if (ah->ah_version == AR5K_AR5210)
+		ath5k_hw_reg_write(ah, beacon_reg, AR5K_BCR);
+
+	return 0;
+}
+
+void ath5k_hw_pcu_init(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
+								u8 mode)
+{
+	/* Set bssid and bssid mask */
+	ath5k_hw_set_bssid(ah);
+
+	/* Set PCU config */
+	ath5k_hw_set_opmode(ah, op_mode);
+
+	/* Write rate duration table only on AR5212 and if
+	 * virtual interface has already been brought up
+	 * XXX: rethink this after new mode changes to
+	 * mac80211 are integrated */
+	if (ah->ah_version == AR5K_AR5212 &&
+		ah->ah_sc->nvifs)
+		ath5k_hw_write_rate_duration(ah);
+
+	/* Set RSSI/BRSSI thresholds
+	 *
+	 * Note: If we decide to set this value
+	 * dynamicaly, have in mind that when AR5K_RSSI_THR
+	 * register is read it might return 0x40 if we haven't
+	 * wrote anything to it plus BMISS RSSI threshold is zeroed.
+	 * So doing a save/restore procedure here isn't the right
+	 * choice. Instead store it on ath5k_hw */
+	ath5k_hw_reg_write(ah, (AR5K_TUNE_RSSI_THRES |
+				AR5K_TUNE_BMISS_THRES <<
+				AR5K_RSSI_THR_BMISS_S),
+				AR5K_RSSI_THR);
+
+	/* MIC QoS support */
+	if (ah->ah_mac_srev >= AR5K_SREV_AR2413) {
+		ath5k_hw_reg_write(ah, 0x000100aa, AR5K_MIC_QOS_CTL);
+		ath5k_hw_reg_write(ah, 0x00003210, AR5K_MIC_QOS_SEL);
+	}
+
+	/* QoS NOACK Policy */
+	if (ah->ah_version == AR5K_AR5212) {
+		ath5k_hw_reg_write(ah,
+			AR5K_REG_SM(2, AR5K_QOS_NOACK_2BIT_VALUES) |
+			AR5K_REG_SM(5, AR5K_QOS_NOACK_BIT_OFFSET)  |
+			AR5K_REG_SM(0, AR5K_QOS_NOACK_BYTE_OFFSET),
+			AR5K_QOS_NOACK);
+	}
+
+	/* Restore slot time and ACK timeouts */
+	if (ah->ah_coverage_class > 0)
+		ath5k_hw_set_coverage_class(ah, ah->ah_coverage_class);
+
+	/* Set ACK bitrate mode (see ack_rates_high) */
+	if (ah->ah_version == AR5K_AR5212) {
+		u32 val = AR5K_STA_ID1_BASE_RATE_11B | AR5K_STA_ID1_ACKCTS_6MB;
+		if (ah->ah_ack_bitrate_high)
+			AR5K_REG_DISABLE_BITS(ah, AR5K_STA_ID1, val);
+		else
+			AR5K_REG_ENABLE_BITS(ah, AR5K_STA_ID1, val);
+	}
+	return;
+}

drivers/net/wireless/ath/ath5k/phy.c

@@ -29,6 +29,95 @@
 #include "rfbuffer.h"
 #include "rfgain.h"
 
+
+/******************\
+* Helper functions *
+\******************/
+
+/*
+ * Get the PHY Chip revision
+ */
+u16 ath5k_hw_radio_revision(struct ath5k_hw *ah, unsigned int chan)
+{
+	unsigned int i;
+	u32 srev;
+	u16 ret;
+
+	/*
+	 * Set the radio chip access register
+	 */
+	switch (chan) {
+	case CHANNEL_2GHZ:
+		ath5k_hw_reg_write(ah, AR5K_PHY_SHIFT_2GHZ, AR5K_PHY(0));
+		break;
+	case CHANNEL_5GHZ:
+		ath5k_hw_reg_write(ah, AR5K_PHY_SHIFT_5GHZ, AR5K_PHY(0));
+		break;
+	default:
+		return 0;
+	}
+
+	mdelay(2);
+
+	/* ...wait until PHY is ready and read the selected radio revision */
+	ath5k_hw_reg_write(ah, 0x00001c16, AR5K_PHY(0x34));
+
+	for (i = 0; i < 8; i++)
+		ath5k_hw_reg_write(ah, 0x00010000, AR5K_PHY(0x20));
+
+	if (ah->ah_version == AR5K_AR5210) {
+		srev = ath5k_hw_reg_read(ah, AR5K_PHY(256) >> 28) & 0xf;
+		ret = (u16)ath5k_hw_bitswap(srev, 4) + 1;
+	} else {
+		srev = (ath5k_hw_reg_read(ah, AR5K_PHY(0x100)) >> 24) & 0xff;
+		ret = (u16)ath5k_hw_bitswap(((srev & 0xf0) >> 4) |
+				((srev & 0x0f) << 4), 8);
+	}
+
+	/* Reset to the 5GHz mode */
+	ath5k_hw_reg_write(ah, AR5K_PHY_SHIFT_5GHZ, AR5K_PHY(0));
+
+	return ret;
+}
+
+/*
+ * Check if a channel is supported
+ */
+bool ath5k_channel_ok(struct ath5k_hw *ah, u16 freq, unsigned int flags)
+{
+	/* Check if the channel is in our supported range */
+	if (flags & CHANNEL_2GHZ) {
+		if ((freq >= ah->ah_capabilities.cap_range.range_2ghz_min) &&
+		    (freq <= ah->ah_capabilities.cap_range.range_2ghz_max))
+			return true;
+	} else if (flags & CHANNEL_5GHZ)
+		if ((freq >= ah->ah_capabilities.cap_range.range_5ghz_min) &&
+		    (freq <= ah->ah_capabilities.cap_range.range_5ghz_max))
+			return true;
+
+	return false;
+}
+
+bool ath5k_hw_chan_has_spur_noise(struct ath5k_hw *ah,
+				struct ieee80211_channel *channel)
+{
+	u8 refclk_freq;
+
+	if ((ah->ah_radio == AR5K_RF5112) ||
+	(ah->ah_radio == AR5K_RF5413) ||
+	(ah->ah_mac_version == (AR5K_SREV_AR2417 >> 4)))
+		refclk_freq = 40;
+	else
+		refclk_freq = 32;
+
+	if ((channel->center_freq % refclk_freq != 0) &&
+	((channel->center_freq % refclk_freq < 10) ||
+	(channel->center_freq % refclk_freq > 22)))
+		return true;
+	else
+		return false;
+}
+
 /*
  * Used to modify RF Banks before writing them to AR5K_RF_BUFFER
  */
@@ -110,6 +199,90 @@ static unsigned int ath5k_hw_rfb_op(struct ath5k_hw *ah,
 	return data;
 }
 
+/**
+ * ath5k_hw_write_ofdm_timings - set OFDM timings on AR5212
+ *
+ * @ah: the &struct ath5k_hw
+ * @channel: the currently set channel upon reset
+ *
+ * Write the delta slope coefficient (used on pilot tracking ?) for OFDM
+ * operation on the AR5212 upon reset. This is a helper for ath5k_hw_phy_init.
+ *
+ * Since delta slope is floating point we split it on its exponent and
+ * mantissa and provide these values on hw.
+ *
+ * For more infos i think this patent is related
+ * http://www.freepatentsonline.com/7184495.html
+ */
+static inline int ath5k_hw_write_ofdm_timings(struct ath5k_hw *ah,
+	struct ieee80211_channel *channel)
+{
+	/* Get exponent and mantissa and set it */
+	u32 coef_scaled, coef_exp, coef_man,
+		ds_coef_exp, ds_coef_man, clock;
+
+	BUG_ON(!(ah->ah_version == AR5K_AR5212) ||
+		!(channel->hw_value & CHANNEL_OFDM));
+
+	/* Get coefficient
+	 * ALGO: coef = (5 * clock / carrier_freq) / 2
+	 * we scale coef by shifting clock value by 24 for
+	 * better precision since we use integers */
+	switch (ah->ah_bwmode) {
+	case AR5K_BWMODE_40MHZ:
+		clock = 40 * 2;
+		break;
+	case AR5K_BWMODE_10MHZ:
+		clock = 40 / 2;
+		break;
+	case AR5K_BWMODE_5MHZ:
+		clock = 40 / 4;
+		break;
+	default:
+		clock = 40;
+		break;
+	}
+	coef_scaled = ((5 * (clock << 24)) / 2) / channel->center_freq;
+
+	/* Get exponent
+	 * ALGO: coef_exp = 14 - highest set bit position */
+	coef_exp = ilog2(coef_scaled);
+
+	/* Doesn't make sense if it's zero*/
+	if (!coef_scaled || !coef_exp)
+		return -EINVAL;
+
+	/* Note: we've shifted coef_scaled by 24 */
+	coef_exp = 14 - (coef_exp - 24);
+
+
+	/* Get mantissa (significant digits)
+	 * ALGO: coef_mant = floor(coef_scaled* 2^coef_exp+0.5) */
+	coef_man = coef_scaled +
+		(1 << (24 - coef_exp - 1));
+
+	/* Calculate delta slope coefficient exponent
+	 * and mantissa (remove scaling) and set them on hw */
+	ds_coef_man = coef_man >> (24 - coef_exp);
+	ds_coef_exp = coef_exp - 16;
+
+	AR5K_REG_WRITE_BITS(ah, AR5K_PHY_TIMING_3,
+		AR5K_PHY_TIMING_3_DSC_MAN, ds_coef_man);
+	AR5K_REG_WRITE_BITS(ah, AR5K_PHY_TIMING_3,
+		AR5K_PHY_TIMING_3_DSC_EXP, ds_coef_exp);
+
+	return 0;
+}
+
+int ath5k_hw_phy_disable(struct ath5k_hw *ah)
+{
+	/*Just a try M.F.*/
+	ath5k_hw_reg_write(ah, AR5K_PHY_ACT_DISABLE, AR5K_PHY_ACT);
+
+	return 0;
+}
+
+
 /**********************\
 * RF Gain optimization *
 \**********************/
@@ -436,7 +609,7 @@ done:
 /* Write initial RF gain table to set the RF sensitivity
  * this one works on all RF chips and has nothing to do
  * with gain_F calibration */
-int ath5k_hw_rfgain_init(struct ath5k_hw *ah, unsigned int freq)
+static int ath5k_hw_rfgain_init(struct ath5k_hw *ah, unsigned int freq)
 {
 	const struct ath5k_ini_rfgain *ath5k_rfg;
 	unsigned int i, size;
@@ -494,12 +667,11 @@ int ath5k_hw_rfgain_init(struct ath5k_hw *ah, unsigned int freq)
 * RF Registers setup *
 \********************/
 
-
 /*
  * Setup RF registers by writing RF buffer on hw
  */
-int ath5k_hw_rfregs_init(struct ath5k_hw *ah, struct ieee80211_channel *channel,
-		unsigned int mode)
+static int ath5k_hw_rfregs_init(struct ath5k_hw *ah,
+	struct ieee80211_channel *channel, unsigned int mode)
 {
 	const struct ath5k_rf_reg *rf_regs;
 	const struct ath5k_ini_rfbuffer *ini_rfb;
@@ -652,6 +824,11 @@ int ath5k_hw_rfregs_init(struct ath5k_hw *ah, struct ieee80211_channel *channel,
 
 	g_step = &go->go_step[ah->ah_gain.g_step_idx];
 
+	/* Set turbo mode (N/A on RF5413) */
+	if ((ah->ah_bwmode == AR5K_BWMODE_40MHZ) &&
+	(ah->ah_radio != AR5K_RF5413))
+		ath5k_hw_rfb_op(ah, rf_regs, 1, AR5K_RF_TURBO, false);
+
 	/* Bank Modifications (chip-specific) */
 	if (ah->ah_radio == AR5K_RF5111) {
 
@@ -691,7 +868,23 @@ int ath5k_hw_rfregs_init(struct ath5k_hw *ah, struct ieee80211_channel *channel,
 		ath5k_hw_rfb_op(ah, rf_regs, ee->ee_xpd[ee_mode],
 						AR5K_RF_PLO_SEL, true);
 
-		/* TODO: Half/quarter channel support */
+		/* Tweak power detectors for half/quarter rate support */
+		if (ah->ah_bwmode == AR5K_BWMODE_5MHZ ||
+		ah->ah_bwmode == AR5K_BWMODE_10MHZ) {
+			u8 wait_i;
+
+			ath5k_hw_rfb_op(ah, rf_regs, 0x1f,
+						AR5K_RF_WAIT_S, true);
+
+			wait_i = (ah->ah_bwmode == AR5K_BWMODE_5MHZ) ?
+							0x1f : 0x10;
+
+			ath5k_hw_rfb_op(ah, rf_regs, wait_i,
+						AR5K_RF_WAIT_I, true);
+			ath5k_hw_rfb_op(ah, rf_regs, 3,
+						AR5K_RF_MAX_TIME, true);
+
+		}
 	}
 
 	if (ah->ah_radio == AR5K_RF5112) {
@@ -789,8 +982,20 @@ int ath5k_hw_rfregs_init(struct ath5k_hw *ah, struct ieee80211_channel *channel,
 		ath5k_hw_rfb_op(ah, rf_regs, ee->ee_i_gain[ee_mode],
 						AR5K_RF_GAIN_I, true);
 
-		/* TODO: Half/quarter channel support */
+		/* Tweak power detector for half/quarter rates */
+		if (ah->ah_bwmode == AR5K_BWMODE_5MHZ ||
+		ah->ah_bwmode == AR5K_BWMODE_10MHZ) {
+			u8 pd_delay;
 
+			pd_delay = (ah->ah_bwmode == AR5K_BWMODE_5MHZ) ?
+							0xf : 0x8;
+
+			ath5k_hw_rfb_op(ah, rf_regs, pd_delay,
+						AR5K_RF_PD_PERIOD_A, true);
+			ath5k_hw_rfb_op(ah, rf_regs, 0xf,
+						AR5K_RF_PD_DELAY_A, true);
+
+		}
 	}
 
 	if (ah->ah_radio == AR5K_RF5413 &&
@@ -821,24 +1026,6 @@ int ath5k_hw_rfregs_init(struct ath5k_hw *ah, struct ieee80211_channel *channel,
   PHY/RF channel functions
 \**************************/
 
-/*
- * Check if a channel is supported
- */
-bool ath5k_channel_ok(struct ath5k_hw *ah, u16 freq, unsigned int flags)
-{
-	/* Check if the channel is in our supported range */
-	if (flags & CHANNEL_2GHZ) {
-		if ((freq >= ah->ah_capabilities.cap_range.range_2ghz_min) &&
-		    (freq <= ah->ah_capabilities.cap_range.range_2ghz_max))
-			return true;
-	} else if (flags & CHANNEL_5GHZ)
-		if ((freq >= ah->ah_capabilities.cap_range.range_5ghz_min) &&
-		    (freq <= ah->ah_capabilities.cap_range.range_5ghz_max))
-			return true;
-
-	return false;
-}
-
 /*
  * Convertion needed for RF5110
  */
@@ -1045,7 +1232,8 @@ static int ath5k_hw_rf2425_channel(struct ath5k_hw *ah,
 /*
  * Set a channel on the radio chip
  */
-int ath5k_hw_channel(struct ath5k_hw *ah, struct ieee80211_channel *channel)
+static int ath5k_hw_channel(struct ath5k_hw *ah,
+		struct ieee80211_channel *channel)
 {
 	int ret;
 	/*
@@ -1092,8 +1280,6 @@ int ath5k_hw_channel(struct ath5k_hw *ah, struct ieee80211_channel *channel)
 	}
 
 	ah->ah_current_channel = channel;
-	ah->ah_turbo = channel->hw_value == CHANNEL_T ? true : false;
-	ath5k_hw_set_clockrate(ah);
 
 	return 0;
 }
@@ -1177,12 +1363,10 @@ void ath5k_hw_update_noise_floor(struct ath5k_hw *ah)
 
 	switch (ah->ah_current_channel->hw_value & CHANNEL_MODES) {
 	case CHANNEL_A:
-	case CHANNEL_T:
 	case CHANNEL_XR:
 		ee_mode = AR5K_EEPROM_MODE_11A;
 		break;
 	case CHANNEL_G:
-	case CHANNEL_TG:
 		ee_mode = AR5K_EEPROM_MODE_11G;
 		break;
 	default:
@@ -1419,31 +1603,12 @@ int ath5k_hw_phy_calibrate(struct ath5k_hw *ah,
 	return ret;
 }
 
+
 /***************************\
 * Spur mitigation functions *
 \***************************/
 
-bool ath5k_hw_chan_has_spur_noise(struct ath5k_hw *ah,
-				struct ieee80211_channel *channel)
-{
-	u8 refclk_freq;
-
-	if ((ah->ah_radio == AR5K_RF5112) ||
-	(ah->ah_radio == AR5K_RF5413) ||
-	(ah->ah_mac_version == (AR5K_SREV_AR2417 >> 4)))
-		refclk_freq = 40;
-	else
-		refclk_freq = 32;
-
-	if ((channel->center_freq % refclk_freq != 0) &&
-	((channel->center_freq % refclk_freq < 10) ||
-	(channel->center_freq % refclk_freq > 22)))
-		return true;
-	else
-		return false;
-}
-
-void
+static void
 ath5k_hw_set_spur_mitigation_filter(struct ath5k_hw *ah,
 				struct ieee80211_channel *channel)
 {
@@ -1472,7 +1637,7 @@ ath5k_hw_set_spur_mitigation_filter(struct ath5k_hw *ah,
 	spur_chan_fbin = AR5K_EEPROM_NO_SPUR;
 	spur_detection_window = AR5K_SPUR_CHAN_WIDTH;
 	/* XXX: Half/Quarter channels ?*/
-	if (channel->hw_value & CHANNEL_TURBO)
+	if (ah->ah_bwmode == AR5K_BWMODE_40MHZ)
 		spur_detection_window *= 2;
 
 	for (i = 0; i < AR5K_EEPROM_N_SPUR_CHANS; i++) {
@@ -1501,32 +1666,43 @@ ath5k_hw_set_spur_mitigation_filter(struct ath5k_hw *ah,
 		 * Calculate deltas:
 		 * spur_freq_sigma_delta -> spur_offset / sample_freq << 21
 		 * spur_delta_phase -> spur_offset / chip_freq << 11
-		 * Note: Both values have 100KHz resolution
+		 * Note: Both values have 100Hz resolution
 		 */
-		/* XXX: Half/Quarter rate channels ? */
-		switch (channel->hw_value) {
-		case CHANNEL_A:
-			/* Both sample_freq and chip_freq are 40MHz */
-			spur_delta_phase = (spur_offset << 17) / 25;
-			spur_freq_sigma_delta = (spur_delta_phase >> 10);
-			symbol_width = AR5K_SPUR_SYMBOL_WIDTH_BASE_100Hz;
-			break;
-		case CHANNEL_G:
-			/* sample_freq -> 40MHz chip_freq -> 44MHz
-			 * (for b compatibility) */
-			spur_freq_sigma_delta = (spur_offset << 8) / 55;
-			spur_delta_phase = (spur_offset << 17) / 25;
-			symbol_width = AR5K_SPUR_SYMBOL_WIDTH_BASE_100Hz;
-			break;
-		case CHANNEL_T:
-		case CHANNEL_TG:
+		switch (ah->ah_bwmode) {
+		case AR5K_BWMODE_40MHZ:
 			/* Both sample_freq and chip_freq are 80MHz */
 			spur_delta_phase = (spur_offset << 16) / 25;
 			spur_freq_sigma_delta = (spur_delta_phase >> 10);
-			symbol_width = AR5K_SPUR_SYMBOL_WIDTH_TURBO_100Hz;
+			symbol_width = AR5K_SPUR_SYMBOL_WIDTH_BASE_100Hz * 2;
 			break;
+		case AR5K_BWMODE_10MHZ:
+			/* Both sample_freq and chip_freq are 20MHz (?) */
+			spur_delta_phase = (spur_offset << 18) / 25;
+			spur_freq_sigma_delta = (spur_delta_phase >> 10);
+			symbol_width = AR5K_SPUR_SYMBOL_WIDTH_BASE_100Hz / 2;
+		case AR5K_BWMODE_5MHZ:
+			/* Both sample_freq and chip_freq are 10MHz (?) */
+			spur_delta_phase = (spur_offset << 19) / 25;
+			spur_freq_sigma_delta = (spur_delta_phase >> 10);
+			symbol_width = AR5K_SPUR_SYMBOL_WIDTH_BASE_100Hz / 4;
 		default:
-			return;
+			if (channel->hw_value == CHANNEL_A) {
+				/* Both sample_freq and chip_freq are 40MHz */
+				spur_delta_phase = (spur_offset << 17) / 25;
+				spur_freq_sigma_delta =
+						(spur_delta_phase >> 10);
+				symbol_width =
+					AR5K_SPUR_SYMBOL_WIDTH_BASE_100Hz;
+			} else {
+				/* sample_freq -> 40MHz chip_freq -> 44MHz
+				 * (for b compatibility) */
+				spur_delta_phase = (spur_offset << 17) / 25;
+				spur_freq_sigma_delta =
+						(spur_offset << 8) / 55;
+				symbol_width =
+					AR5K_SPUR_SYMBOL_WIDTH_BASE_100Hz;
+			}
+			break;
 		}
 
 		/* Calculate pilot and magnitude masks */
@@ -1666,63 +1842,6 @@ ath5k_hw_set_spur_mitigation_filter(struct ath5k_hw *ah,
 	}
 }
 
-/********************\
-  Misc PHY functions
-\********************/
-
-int ath5k_hw_phy_disable(struct ath5k_hw *ah)
-{
-	/*Just a try M.F.*/
-	ath5k_hw_reg_write(ah, AR5K_PHY_ACT_DISABLE, AR5K_PHY_ACT);
-
-	return 0;
-}
-
-/*
- * Get the PHY Chip revision
- */
-u16 ath5k_hw_radio_revision(struct ath5k_hw *ah, unsigned int chan)
-{
-	unsigned int i;
-	u32 srev;
-	u16 ret;
-
-	/*
-	 * Set the radio chip access register
-	 */
-	switch (chan) {
-	case CHANNEL_2GHZ:
-		ath5k_hw_reg_write(ah, AR5K_PHY_SHIFT_2GHZ, AR5K_PHY(0));
-		break;
-	case CHANNEL_5GHZ:
-		ath5k_hw_reg_write(ah, AR5K_PHY_SHIFT_5GHZ, AR5K_PHY(0));
-		break;
-	default:
-		return 0;
-	}
-
-	mdelay(2);
-
-	/* ...wait until PHY is ready and read the selected radio revision */
-	ath5k_hw_reg_write(ah, 0x00001c16, AR5K_PHY(0x34));
-
-	for (i = 0; i < 8; i++)
-		ath5k_hw_reg_write(ah, 0x00010000, AR5K_PHY(0x20));
-
-	if (ah->ah_version == AR5K_AR5210) {
-		srev = ath5k_hw_reg_read(ah, AR5K_PHY(256) >> 28) & 0xf;
-		ret = (u16)ath5k_hw_bitswap(srev, 4) + 1;
-	} else {
-		srev = (ath5k_hw_reg_read(ah, AR5K_PHY(0x100)) >> 24) & 0xff;
-		ret = (u16)ath5k_hw_bitswap(((srev & 0xf0) >> 4) |
-				((srev & 0x0f) << 4), 8);
-	}
-
-	/* Reset to the 5GHz mode */
-	ath5k_hw_reg_write(ah, AR5K_PHY_SHIFT_5GHZ, AR5K_PHY(0));
-
-	return ret;
-}
 
 /*****************\
 * Antenna control *
@@ -1830,12 +1949,10 @@ ath5k_hw_set_antenna_mode(struct ath5k_hw *ah, u8 ant_mode)
 
 	switch (channel->hw_value & CHANNEL_MODES) {
 	case CHANNEL_A:
-	case CHANNEL_T:
 	case CHANNEL_XR:
 		ee_mode = AR5K_EEPROM_MODE_11A;
 		break;
 	case CHANNEL_G:
-	case CHANNEL_TG:
 		ee_mode = AR5K_EEPROM_MODE_11G;
 		break;
 	case CHANNEL_B:
@@ -2269,20 +2386,20 @@ ath5k_get_max_ctl_power(struct ath5k_hw *ah,
 
 	switch (channel->hw_value & CHANNEL_MODES) {
 	case CHANNEL_A:
-		ctl_mode |= AR5K_CTL_11A;
+		if (ah->ah_bwmode == AR5K_BWMODE_40MHZ)
+			ctl_mode |= AR5K_CTL_TURBO;
+		else
+			ctl_mode |= AR5K_CTL_11A;
 		break;
 	case CHANNEL_G:
-		ctl_mode |= AR5K_CTL_11G;
+		if (ah->ah_bwmode == AR5K_BWMODE_40MHZ)
+			ctl_mode |= AR5K_CTL_TURBOG;
+		else
+			ctl_mode |= AR5K_CTL_11G;
 		break;
 	case CHANNEL_B:
 		ctl_mode |= AR5K_CTL_11B;
 		break;
-	case CHANNEL_T:
-		ctl_mode |= AR5K_CTL_TURBO;
-		break;
-	case CHANNEL_TG:
-		ctl_mode |= AR5K_CTL_TURBOG;
-		break;
 	case CHANNEL_XR:
 		/* Fall through */
 	default:
@@ -2984,9 +3101,9 @@ ath5k_setup_rate_powertable(struct ath5k_hw *ah, u16 max_pwr,
 /*
  * Set transmission power
  */
-int
+static int
 ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel,
-		u8 ee_mode, u8 txpower)
+		u8 ee_mode, u8 txpower, bool fast)
 {
 	struct ath5k_rate_pcal_info rate_info;
 	u8 type;
@@ -3005,6 +3122,9 @@ ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel,
 
 	/* Initialize TX power table */
 	switch (ah->ah_radio) {
+	case AR5K_RF5110:
+		/* TODO */
+		return 0;
 	case AR5K_RF5111:
 		type = AR5K_PWRTABLE_PWR_TO_PCDAC;
 		break;
@@ -3022,10 +3142,15 @@ ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel,
 		return -EINVAL;
 	}
 
-	/* FIXME: Only on channel/mode change */
-	ret = ath5k_setup_channel_powertable(ah, channel, ee_mode, type);
-	if (ret)
-		return ret;
+	/* If fast is set it means we are on the same channel/mode
+	 * so there is no need to recalculate the powertable, we 'll
+	 * just use the cached one */
+	if (!fast) {
+		ret = ath5k_setup_channel_powertable(ah, channel,
+							ee_mode, type);
+			if (ret)
+				return ret;
+	}
 
 	/* Limit max power if we have a CTL available */
 	ath5k_get_max_ctl_power(ah, channel);
@@ -3086,12 +3211,10 @@ int ath5k_hw_set_txpower_limit(struct ath5k_hw *ah, u8 txpower)
 
 	switch (channel->hw_value & CHANNEL_MODES) {
 	case CHANNEL_A:
-	case CHANNEL_T:
 	case CHANNEL_XR:
 		ee_mode = AR5K_EEPROM_MODE_11A;
 		break;
 	case CHANNEL_G:
-	case CHANNEL_TG:
 		ee_mode = AR5K_EEPROM_MODE_11G;
 		break;
 	case CHANNEL_B:
@@ -3106,5 +3229,229 @@ int ath5k_hw_set_txpower_limit(struct ath5k_hw *ah, u8 txpower)
 	ATH5K_DBG(ah->ah_sc, ATH5K_DEBUG_TXPOWER,
 		"changing txpower to %d\n", txpower);
 
-	return ath5k_hw_txpower(ah, channel, ee_mode, txpower);
+	return ath5k_hw_txpower(ah, channel, ee_mode, txpower, true);
+}
+
+/*************\
+ Init function
+\*************/
+
+int ath5k_hw_phy_init(struct ath5k_hw *ah, struct ieee80211_channel *channel,
+				u8 mode, u8 ee_mode, u8 freq, bool fast)
+{
+	struct ieee80211_channel *curr_channel;
+	int ret, i;
+	u32 phy_tst1;
+	bool fast_txp;
+	ret = 0;
+
+	/*
+	 * Sanity check for fast flag
+	 * Don't try fast channel change when changing modulation
+	 * mode/band. We check for chip compatibility on
+	 * ath5k_hw_reset.
+	 */
+	curr_channel = ah->ah_current_channel;
+	if (fast && (channel->hw_value != curr_channel->hw_value))
+		return -EINVAL;
+
+	/*
+	 * On fast channel change we only set the synth parameters
+	 * while PHY is running, enable calibration and skip the rest.
+	 */
+	if (fast) {
+		AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_RFBUS_REQ,
+				    AR5K_PHY_RFBUS_REQ_REQUEST);
+		for (i = 0; i < 100; i++) {
+			if (ath5k_hw_reg_read(ah, AR5K_PHY_RFBUS_GRANT))
+				break;
+			udelay(5);
+		}
+		/* Failed */
+		if (i >= 100)
+			return -EIO;
+	}
+
+	/*
+	 * If we don't change channel/mode skip
+	 * tx powertable calculation and use the
+	 * cached one.
+	 */
+	if ((channel->hw_value == curr_channel->hw_value) &&
+	(channel->center_freq == curr_channel->center_freq))
+		fast_txp = true;
+	else
+		fast_txp = false;
+
+	/*
+	 * Set TX power
+	 *
+	 * Note: We need to do that before we set
+	 * RF buffer settings on 5211/5212+ so that we
+	 * properly set curve indices.
+	 */
+	ret = ath5k_hw_txpower(ah, channel, ee_mode,
+				ah->ah_txpower.txp_max_pwr / 2,
+				fast_txp);
+	if (ret)
+		return ret;
+
+	/*
+	 * For 5210 we do all initialization using
+	 * initvals, so we don't have to modify
+	 * any settings (5210 also only supports
+	 * a/aturbo modes)
+	 */
+	if ((ah->ah_version != AR5K_AR5210) && !fast) {
+
+		/*
+		 * Write initial RF gain settings
+		 * This should work for both 5111/5112
+		 */
+		ret = ath5k_hw_rfgain_init(ah, freq);
+		if (ret)
+			return ret;
+
+		mdelay(1);
+
+		/*
+		 * Write RF buffer
+		 */
+		ret = ath5k_hw_rfregs_init(ah, channel, mode);
+		if (ret)
+			return ret;
+
+		/* Write OFDM timings on 5212*/
+		if (ah->ah_version == AR5K_AR5212 &&
+			channel->hw_value & CHANNEL_OFDM) {
+
+			ret = ath5k_hw_write_ofdm_timings(ah, channel);
+			if (ret)
+				return ret;
+
+			/* Spur info is available only from EEPROM versions
+			 * greater than 5.3, but the EEPROM routines will use
+			 * static values for older versions */
+			if (ah->ah_mac_srev >= AR5K_SREV_AR5424)
+				ath5k_hw_set_spur_mitigation_filter(ah,
+								    channel);
+		}
+
+		/*Enable/disable 802.11b mode on 5111
+		(enable 2111 frequency converter + CCK)*/
+		if (ah->ah_radio == AR5K_RF5111) {
+			if (mode == AR5K_MODE_11B)
+				AR5K_REG_ENABLE_BITS(ah, AR5K_TXCFG,
+				    AR5K_TXCFG_B_MODE);
+			else
+				AR5K_REG_DISABLE_BITS(ah, AR5K_TXCFG,
+				    AR5K_TXCFG_B_MODE);
+		}
+
+	} else if (ah->ah_version == AR5K_AR5210) {
+		mdelay(1);
+		/* Disable phy and wait */
+		ath5k_hw_reg_write(ah, AR5K_PHY_ACT_DISABLE, AR5K_PHY_ACT);
+		mdelay(1);
+	}
+
+	/* Set channel on PHY */
+	ret = ath5k_hw_channel(ah, channel);
+	if (ret)
+		return ret;
+
+	/*
+	 * Enable the PHY and wait until completion
+	 * This includes BaseBand and Synthesizer
+	 * activation.
+	 */
+	ath5k_hw_reg_write(ah, AR5K_PHY_ACT_ENABLE, AR5K_PHY_ACT);
+
+	/*
+	 * On 5211+ read activation -> rx delay
+	 * and use it.
+	 */
+	if (ah->ah_version != AR5K_AR5210) {
+		u32 delay;
+		delay = ath5k_hw_reg_read(ah, AR5K_PHY_RX_DELAY) &
+			AR5K_PHY_RX_DELAY_M;
+		delay = (channel->hw_value & CHANNEL_CCK) ?
+			((delay << 2) / 22) : (delay / 10);
+		if (ah->ah_bwmode == AR5K_BWMODE_10MHZ)
+			delay = delay << 1;
+		if (ah->ah_bwmode == AR5K_BWMODE_5MHZ)
+			delay = delay << 2;
+		/* XXX: /2 on turbo ? Let's be safe
+		 * for now */
+		udelay(100 + delay);
+	} else {
+		mdelay(1);
+	}
+
+	if (fast)
+		/*
+		 * Release RF Bus grant
+		 */
+		AR5K_REG_DISABLE_BITS(ah, AR5K_PHY_RFBUS_REQ,
+				    AR5K_PHY_RFBUS_REQ_REQUEST);
+	else {
+		/*
+		 * Perform ADC test to see if baseband is ready
+		 * Set tx hold and check adc test register
+		 */
+		phy_tst1 = ath5k_hw_reg_read(ah, AR5K_PHY_TST1);
+		ath5k_hw_reg_write(ah, AR5K_PHY_TST1_TXHOLD, AR5K_PHY_TST1);
+		for (i = 0; i <= 20; i++) {
+			if (!(ath5k_hw_reg_read(ah, AR5K_PHY_ADC_TEST) & 0x10))
+				break;
+			udelay(200);
+		}
+		ath5k_hw_reg_write(ah, phy_tst1, AR5K_PHY_TST1);
+	}
+
+	/*
+	 * Start automatic gain control calibration
+	 *
+	 * During AGC calibration RX path is re-routed to
+	 * a power detector so we don't receive anything.
+	 *
+	 * This method is used to calibrate some static offsets
+	 * used together with on-the fly I/Q calibration (the
+	 * one performed via ath5k_hw_phy_calibrate), which doesn't
+	 * interrupt rx path.
+	 *
+	 * While rx path is re-routed to the power detector we also
+	 * start a noise floor calibration to measure the
+	 * card's noise floor (the noise we measure when we are not
+	 * transmitting or receiving anything).
+	 *
+	 * If we are in a noisy environment, AGC calibration may time
+	 * out and/or noise floor calibration might timeout.
+	 */
+	AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_AGCCTL,
+				AR5K_PHY_AGCCTL_CAL | AR5K_PHY_AGCCTL_NF);
+
+	/* At the same time start I/Q calibration for QAM constellation
+	 * -no need for CCK- */
+	ah->ah_calibration = false;
+	if (!(mode == AR5K_MODE_11B)) {
+		ah->ah_calibration = true;
+		AR5K_REG_WRITE_BITS(ah, AR5K_PHY_IQ,
+				AR5K_PHY_IQ_CAL_NUM_LOG_MAX, 15);
+		AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_IQ,
+				AR5K_PHY_IQ_RUN);
+	}
+
+	/* Wait for gain calibration to finish (we check for I/Q calibration
+	 * during ath5k_phy_calibrate) */
+	if (ath5k_hw_register_timeout(ah, AR5K_PHY_AGCCTL,
+			AR5K_PHY_AGCCTL_CAL, 0, false)) {
+		ATH5K_ERR(ah->ah_sc, "gain calibration timeout (%uMHz)\n",
+			channel->center_freq);
+	}
+
+	/* Restore antenna mode */
+	ath5k_hw_set_antenna_mode(ah, ah->ah_ant_mode);
+
+	return ret;
 }

drivers/net/wireless/ath/ath5k/qcu.c

@@ -25,14 +25,52 @@ Queue Control Unit, DFS Control Unit Functions
 #include "debug.h"
 #include "base.h"
 
+
+/******************\
+* Helper functions *
+\******************/
+
 /*
- * Get properties for a transmit queue
+ * Get number of pending frames
+ * for a specific queue [5211+]
  */
-int ath5k_hw_get_tx_queueprops(struct ath5k_hw *ah, int queue,
-		struct ath5k_txq_info *queue_info)
+u32 ath5k_hw_num_tx_pending(struct ath5k_hw *ah, unsigned int queue)
 {
-	memcpy(queue_info, &ah->ah_txq[queue], sizeof(struct ath5k_txq_info));
-	return 0;
+	u32 pending;
+	AR5K_ASSERT_ENTRY(queue, ah->ah_capabilities.cap_queues.q_tx_num);
+
+	/* Return if queue is declared inactive */
+	if (ah->ah_txq[queue].tqi_type == AR5K_TX_QUEUE_INACTIVE)
+		return false;
+
+	/* XXX: How about AR5K_CFG_TXCNT ? */
+	if (ah->ah_version == AR5K_AR5210)
+		return false;
+
+	pending = ath5k_hw_reg_read(ah, AR5K_QUEUE_STATUS(queue));
+	pending &= AR5K_QCU_STS_FRMPENDCNT;
+
+	/* It's possible to have no frames pending even if TXE
+	 * is set. To indicate that q has not stopped return
+	 * true */
+	if (!pending && AR5K_REG_READ_Q(ah, AR5K_QCU_TXE, queue))
+		return true;
+
+	return pending;
+}
+
+/*
+ * Set a transmit queue inactive
+ */
+void ath5k_hw_release_tx_queue(struct ath5k_hw *ah, unsigned int queue)
+{
+	if (WARN_ON(queue >= ah->ah_capabilities.cap_queues.q_tx_num))
+		return;
+
+	/* This queue will be skipped in further operations */
+	ah->ah_txq[queue].tqi_type = AR5K_TX_QUEUE_INACTIVE;
+	/*For SIMR setup*/
+	AR5K_Q_DISABLE_BITS(ah->ah_txq_status, queue);
 }
 
 /*
@@ -49,6 +87,16 @@ static u16 ath5k_cw_validate(u16 cw_req)
 	return cw;
 }
 
+/*
+ * Get properties for a transmit queue
+ */
+int ath5k_hw_get_tx_queueprops(struct ath5k_hw *ah, int queue,
+		struct ath5k_txq_info *queue_info)
+{
+	memcpy(queue_info, &ah->ah_txq[queue], sizeof(struct ath5k_txq_info));
+	return 0;
+}
+
 /*
  * Set properties for a transmit queue
  */
@@ -172,113 +220,18 @@ int ath5k_hw_setup_tx_queue(struct ath5k_hw *ah, enum ath5k_tx_queue queue_type,
 	return queue;
 }
 
-/*
- * Get number of pending frames
- * for a specific queue [5211+]
- */
-u32 ath5k_hw_num_tx_pending(struct ath5k_hw *ah, unsigned int queue)
-{
-	u32 pending;
-	AR5K_ASSERT_ENTRY(queue, ah->ah_capabilities.cap_queues.q_tx_num);
-
-	/* Return if queue is declared inactive */
-	if (ah->ah_txq[queue].tqi_type == AR5K_TX_QUEUE_INACTIVE)
-		return false;
-
-	/* XXX: How about AR5K_CFG_TXCNT ? */
-	if (ah->ah_version == AR5K_AR5210)
-		return false;
-
-	pending = ath5k_hw_reg_read(ah, AR5K_QUEUE_STATUS(queue));
-	pending &= AR5K_QCU_STS_FRMPENDCNT;
-
-	/* It's possible to have no frames pending even if TXE
-	 * is set. To indicate that q has not stopped return
-	 * true */
-	if (!pending && AR5K_REG_READ_Q(ah, AR5K_QCU_TXE, queue))
-		return true;
-
-	return pending;
-}
-
-/*
- * Set a transmit queue inactive
- */
-void ath5k_hw_release_tx_queue(struct ath5k_hw *ah, unsigned int queue)
-{
-	if (WARN_ON(queue >= ah->ah_capabilities.cap_queues.q_tx_num))
-		return;
 
-	/* This queue will be skipped in further operations */
-	ah->ah_txq[queue].tqi_type = AR5K_TX_QUEUE_INACTIVE;
-	/*For SIMR setup*/
-	AR5K_Q_DISABLE_BITS(ah->ah_txq_status, queue);
-}
+/*******************************\
+* Single QCU/DCU initialization *
+\*******************************/
 
 /*
- * Set DFS properties for a transmit queue on DCU
+ * Set tx retry limits on DCU
  */
-int ath5k_hw_reset_tx_queue(struct ath5k_hw *ah, unsigned int queue)
+static void ath5k_hw_set_tx_retry_limits(struct ath5k_hw *ah,
+					unsigned int queue)
 {
 	u32 retry_lg, retry_sh;
-	struct ath5k_txq_info *tq = &ah->ah_txq[queue];
-
-	AR5K_ASSERT_ENTRY(queue, ah->ah_capabilities.cap_queues.q_tx_num);
-
-	tq = &ah->ah_txq[queue];
-
-	if (tq->tqi_type == AR5K_TX_QUEUE_INACTIVE)
-		return 0;
-
-	if (ah->ah_version == AR5K_AR5210) {
-		/* Only handle data queues, others will be ignored */
-		if (tq->tqi_type != AR5K_TX_QUEUE_DATA)
-			return 0;
-
-		/* Set Slot time */
-		ath5k_hw_reg_write(ah, ah->ah_turbo ?
-			AR5K_INIT_SLOT_TIME_TURBO : AR5K_INIT_SLOT_TIME,
-			AR5K_SLOT_TIME);
-		/* Set ACK_CTS timeout */
-		ath5k_hw_reg_write(ah, ah->ah_turbo ?
-			AR5K_INIT_ACK_CTS_TIMEOUT_TURBO :
-			AR5K_INIT_ACK_CTS_TIMEOUT, AR5K_SLOT_TIME);
-		/* Set Transmit Latency */
-		ath5k_hw_reg_write(ah, ah->ah_turbo ?
-			AR5K_INIT_TRANSMIT_LATENCY_TURBO :
-			AR5K_INIT_TRANSMIT_LATENCY, AR5K_USEC_5210);
-
-		/* Set IFS0 */
-		if (ah->ah_turbo) {
-			 ath5k_hw_reg_write(ah, ((AR5K_INIT_SIFS_TURBO +
-				tq->tqi_aifs * AR5K_INIT_SLOT_TIME_TURBO) <<
-				AR5K_IFS0_DIFS_S) | AR5K_INIT_SIFS_TURBO,
-				AR5K_IFS0);
-		} else {
-			ath5k_hw_reg_write(ah, ((AR5K_INIT_SIFS +
-				tq->tqi_aifs * AR5K_INIT_SLOT_TIME) <<
-				AR5K_IFS0_DIFS_S) |
-				AR5K_INIT_SIFS, AR5K_IFS0);
-		}
-
-		/* Set IFS1 */
-		ath5k_hw_reg_write(ah, ah->ah_turbo ?
-			AR5K_INIT_PROTO_TIME_CNTRL_TURBO :
-			AR5K_INIT_PROTO_TIME_CNTRL, AR5K_IFS1);
-		/* Set AR5K_PHY_SETTLING */
-		ath5k_hw_reg_write(ah, ah->ah_turbo ?
-			(ath5k_hw_reg_read(ah, AR5K_PHY_SETTLING) & ~0x7F)
-			| 0x38 :
-			(ath5k_hw_reg_read(ah, AR5K_PHY_SETTLING) & ~0x7F)
-			| 0x1C,
-			AR5K_PHY_SETTLING);
-		/* Set Frame Control Register */
-		ath5k_hw_reg_write(ah, ah->ah_turbo ?
-			(AR5K_PHY_FRAME_CTL_INI | AR5K_PHY_TURBO_MODE |
-			AR5K_PHY_TURBO_SHORT | 0x2020) :
-			(AR5K_PHY_FRAME_CTL_INI | 0x1020),
-			AR5K_PHY_FRAME_CTL_5210);
-	}
 
 	/*
 	 * Calculate and set retry limits
@@ -293,8 +246,13 @@ int ath5k_hw_reset_tx_queue(struct ath5k_hw *ah, unsigned int queue)
 		retry_sh = AR5K_INIT_SH_RETRY;
 	}
 
-	/*No QCU/DCU [5210]*/
+	/* Single data queue on AR5210 */
 	if (ah->ah_version == AR5K_AR5210) {
+		struct ath5k_txq_info *tq = &ah->ah_txq[queue];
+
+		if (queue > 0)
+			return;
+
 		ath5k_hw_reg_write(ah,
 			(tq->tqi_cw_min << AR5K_NODCU_RETRY_LMT_CW_MIN_S)
 			| AR5K_REG_SM(AR5K_INIT_SLG_RETRY,
@@ -304,8 +262,8 @@ int ath5k_hw_reset_tx_queue(struct ath5k_hw *ah, unsigned int queue)
 			| AR5K_REG_SM(retry_lg, AR5K_NODCU_RETRY_LMT_LG_RETRY)
 			| AR5K_REG_SM(retry_sh, AR5K_NODCU_RETRY_LMT_SH_RETRY),
 			AR5K_NODCU_RETRY_LMT);
+	/* DCU on AR5211+ */
 	} else {
-		/*QCU/DCU [5211+]*/
 		ath5k_hw_reg_write(ah,
 			AR5K_REG_SM(AR5K_INIT_SLG_RETRY,
 				AR5K_DCU_RETRY_LMT_SLG_RETRY) |
@@ -314,219 +272,393 @@ int ath5k_hw_reset_tx_queue(struct ath5k_hw *ah, unsigned int queue)
 			AR5K_REG_SM(retry_lg, AR5K_DCU_RETRY_LMT_LG_RETRY) |
 			AR5K_REG_SM(retry_sh, AR5K_DCU_RETRY_LMT_SH_RETRY),
 			AR5K_QUEUE_DFS_RETRY_LIMIT(queue));
+	}
+	return;
+}
+
+/**
+ * ath5k_hw_reset_tx_queue - Initialize a single hw queue
+ *
+ * @ah The &struct ath5k_hw
+ * @queue The hw queue number
+ *
+ * Set DFS properties for the given transmit queue on DCU
+ * and configures all queue-specific parameters.
+ */
+int ath5k_hw_reset_tx_queue(struct ath5k_hw *ah, unsigned int queue)
+{
+	struct ath5k_txq_info *tq = &ah->ah_txq[queue];
 
-	/*===Rest is also for QCU/DCU only [5211+]===*/
+	AR5K_ASSERT_ENTRY(queue, ah->ah_capabilities.cap_queues.q_tx_num);
 
-		/*
-		 * Set contention window (cw_min/cw_max)
-		 * and arbitrated interframe space (aifs)...
-		 */
-		ath5k_hw_reg_write(ah,
-			AR5K_REG_SM(tq->tqi_cw_min, AR5K_DCU_LCL_IFS_CW_MIN) |
-			AR5K_REG_SM(tq->tqi_cw_max, AR5K_DCU_LCL_IFS_CW_MAX) |
-			AR5K_REG_SM(tq->tqi_aifs, AR5K_DCU_LCL_IFS_AIFS),
-			AR5K_QUEUE_DFS_LOCAL_IFS(queue));
-
-		/*
-		 * Set misc registers
-		 */
-		/* Enable DCU early termination for this queue */
-		AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_MISC(queue),
-					AR5K_QCU_MISC_DCU_EARLY);
+	tq = &ah->ah_txq[queue];
+
+	/* Skip if queue inactive or if we are on AR5210
+	 * that doesn't have QCU/DCU */
+	if ((ah->ah_version == AR5K_AR5210) ||
+	(tq->tqi_type == AR5K_TX_QUEUE_INACTIVE))
+		return 0;
+
+	/*
+	 * Set contention window (cw_min/cw_max)
+	 * and arbitrated interframe space (aifs)...
+	 */
+	ath5k_hw_reg_write(ah,
+		AR5K_REG_SM(tq->tqi_cw_min, AR5K_DCU_LCL_IFS_CW_MIN) |
+		AR5K_REG_SM(tq->tqi_cw_max, AR5K_DCU_LCL_IFS_CW_MAX) |
+		AR5K_REG_SM(tq->tqi_aifs, AR5K_DCU_LCL_IFS_AIFS),
+		AR5K_QUEUE_DFS_LOCAL_IFS(queue));
+
+	/*
+	 * Set tx retry limits for this queue
+	 */
+	ath5k_hw_set_tx_retry_limits(ah, queue);
+
+
+	/*
+	 * Set misc registers
+	 */
+
+	/* Enable DCU to wait for next fragment from QCU */
+	AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_DFS_MISC(queue),
+				AR5K_DCU_MISC_FRAG_WAIT);
 
-		/* Enable DCU to wait for next fragment from QCU */
+	/* On Maui and Spirit use the global seqnum on DCU */
+	if (ah->ah_mac_version < AR5K_SREV_AR5211)
 		AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_DFS_MISC(queue),
-					AR5K_DCU_MISC_FRAG_WAIT);
-
-		/* On Maui and Spirit use the global seqnum on DCU */
-		if (ah->ah_mac_version < AR5K_SREV_AR5211)
-			AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_DFS_MISC(queue),
-						AR5K_DCU_MISC_SEQNUM_CTL);
-
-		if (tq->tqi_cbr_period) {
-			ath5k_hw_reg_write(ah, AR5K_REG_SM(tq->tqi_cbr_period,
-				AR5K_QCU_CBRCFG_INTVAL) |
-				AR5K_REG_SM(tq->tqi_cbr_overflow_limit,
-				AR5K_QCU_CBRCFG_ORN_THRES),
-				AR5K_QUEUE_CBRCFG(queue));
+					AR5K_DCU_MISC_SEQNUM_CTL);
+
+	/* Constant bit rate period */
+	if (tq->tqi_cbr_period) {
+		ath5k_hw_reg_write(ah, AR5K_REG_SM(tq->tqi_cbr_period,
+					AR5K_QCU_CBRCFG_INTVAL) |
+					AR5K_REG_SM(tq->tqi_cbr_overflow_limit,
+					AR5K_QCU_CBRCFG_ORN_THRES),
+					AR5K_QUEUE_CBRCFG(queue));
+
+		AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_MISC(queue),
+					AR5K_QCU_MISC_FRSHED_CBR);
+
+		if (tq->tqi_cbr_overflow_limit)
 			AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_MISC(queue),
-				AR5K_QCU_MISC_FRSHED_CBR);
-			if (tq->tqi_cbr_overflow_limit)
-				AR5K_REG_ENABLE_BITS(ah,
-					AR5K_QUEUE_MISC(queue),
 					AR5K_QCU_MISC_CBR_THRES_ENABLE);
-		}
+	}
 
-		if (tq->tqi_ready_time &&
-		(tq->tqi_type != AR5K_TX_QUEUE_CAB))
-			ath5k_hw_reg_write(ah, AR5K_REG_SM(tq->tqi_ready_time,
-				AR5K_QCU_RDYTIMECFG_INTVAL) |
-				AR5K_QCU_RDYTIMECFG_ENABLE,
-				AR5K_QUEUE_RDYTIMECFG(queue));
-
-		if (tq->tqi_burst_time) {
-			ath5k_hw_reg_write(ah, AR5K_REG_SM(tq->tqi_burst_time,
-				AR5K_DCU_CHAN_TIME_DUR) |
-				AR5K_DCU_CHAN_TIME_ENABLE,
-				AR5K_QUEUE_DFS_CHANNEL_TIME(queue));
-
-			if (tq->tqi_flags
-			& AR5K_TXQ_FLAG_RDYTIME_EXP_POLICY_ENABLE)
-				AR5K_REG_ENABLE_BITS(ah,
-					AR5K_QUEUE_MISC(queue),
+	/* Ready time interval */
+	if (tq->tqi_ready_time && (tq->tqi_type != AR5K_TX_QUEUE_CAB))
+		ath5k_hw_reg_write(ah, AR5K_REG_SM(tq->tqi_ready_time,
+					AR5K_QCU_RDYTIMECFG_INTVAL) |
+					AR5K_QCU_RDYTIMECFG_ENABLE,
+					AR5K_QUEUE_RDYTIMECFG(queue));
+
+	if (tq->tqi_burst_time) {
+		ath5k_hw_reg_write(ah, AR5K_REG_SM(tq->tqi_burst_time,
+					AR5K_DCU_CHAN_TIME_DUR) |
+					AR5K_DCU_CHAN_TIME_ENABLE,
+					AR5K_QUEUE_DFS_CHANNEL_TIME(queue));
+
+		if (tq->tqi_flags & AR5K_TXQ_FLAG_RDYTIME_EXP_POLICY_ENABLE)
+			AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_MISC(queue),
 					AR5K_QCU_MISC_RDY_VEOL_POLICY);
-		}
+	}
 
-		if (tq->tqi_flags & AR5K_TXQ_FLAG_BACKOFF_DISABLE)
-			ath5k_hw_reg_write(ah, AR5K_DCU_MISC_POST_FR_BKOFF_DIS,
-				AR5K_QUEUE_DFS_MISC(queue));
+	/* Enable/disable Post frame backoff */
+	if (tq->tqi_flags & AR5K_TXQ_FLAG_BACKOFF_DISABLE)
+		ath5k_hw_reg_write(ah, AR5K_DCU_MISC_POST_FR_BKOFF_DIS,
+					AR5K_QUEUE_DFS_MISC(queue));
 
-		if (tq->tqi_flags & AR5K_TXQ_FLAG_FRAG_BURST_BACKOFF_ENABLE)
-			ath5k_hw_reg_write(ah, AR5K_DCU_MISC_BACKOFF_FRAG,
-				AR5K_QUEUE_DFS_MISC(queue));
+	/* Enable/disable fragmentation burst backoff */
+	if (tq->tqi_flags & AR5K_TXQ_FLAG_FRAG_BURST_BACKOFF_ENABLE)
+		ath5k_hw_reg_write(ah, AR5K_DCU_MISC_BACKOFF_FRAG,
+					AR5K_QUEUE_DFS_MISC(queue));
 
-		/*
-		 * Set registers by queue type
-		 */
-		switch (tq->tqi_type) {
-		case AR5K_TX_QUEUE_BEACON:
-			AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_MISC(queue),
+	/*
+	 * Set registers by queue type
+	 */
+	switch (tq->tqi_type) {
+	case AR5K_TX_QUEUE_BEACON:
+		AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_MISC(queue),
 				AR5K_QCU_MISC_FRSHED_DBA_GT |
 				AR5K_QCU_MISC_CBREXP_BCN_DIS |
 				AR5K_QCU_MISC_BCN_ENABLE);
 
-			AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_DFS_MISC(queue),
+		AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_DFS_MISC(queue),
 				(AR5K_DCU_MISC_ARBLOCK_CTL_GLOBAL <<
 				AR5K_DCU_MISC_ARBLOCK_CTL_S) |
 				AR5K_DCU_MISC_ARBLOCK_IGNORE |
 				AR5K_DCU_MISC_POST_FR_BKOFF_DIS |
 				AR5K_DCU_MISC_BCN_ENABLE);
-			break;
+		break;
 
-		case AR5K_TX_QUEUE_CAB:
-			/* XXX: use BCN_SENT_GT, if we can figure out how */
-			AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_MISC(queue),
-				AR5K_QCU_MISC_FRSHED_DBA_GT |
-				AR5K_QCU_MISC_CBREXP_DIS |
-				AR5K_QCU_MISC_CBREXP_BCN_DIS);
+	case AR5K_TX_QUEUE_CAB:
+		/* XXX: use BCN_SENT_GT, if we can figure out how */
+		AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_MISC(queue),
+					AR5K_QCU_MISC_FRSHED_DBA_GT |
+					AR5K_QCU_MISC_CBREXP_DIS |
+					AR5K_QCU_MISC_CBREXP_BCN_DIS);
 
-			ath5k_hw_reg_write(ah, ((tq->tqi_ready_time -
-				(AR5K_TUNE_SW_BEACON_RESP -
-				AR5K_TUNE_DMA_BEACON_RESP) -
+		ath5k_hw_reg_write(ah, ((tq->tqi_ready_time -
+					(AR5K_TUNE_SW_BEACON_RESP -
+					AR5K_TUNE_DMA_BEACON_RESP) -
 				AR5K_TUNE_ADDITIONAL_SWBA_BACKOFF) * 1024) |
-				AR5K_QCU_RDYTIMECFG_ENABLE,
-				AR5K_QUEUE_RDYTIMECFG(queue));
+					AR5K_QCU_RDYTIMECFG_ENABLE,
+					AR5K_QUEUE_RDYTIMECFG(queue));
 
-			AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_DFS_MISC(queue),
-				(AR5K_DCU_MISC_ARBLOCK_CTL_GLOBAL <<
-				AR5K_DCU_MISC_ARBLOCK_CTL_S));
-			break;
+		AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_DFS_MISC(queue),
+					(AR5K_DCU_MISC_ARBLOCK_CTL_GLOBAL <<
+					AR5K_DCU_MISC_ARBLOCK_CTL_S));
+		break;
 
-		case AR5K_TX_QUEUE_UAPSD:
-			AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_MISC(queue),
-				AR5K_QCU_MISC_CBREXP_DIS);
-			break;
+	case AR5K_TX_QUEUE_UAPSD:
+		AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_MISC(queue),
+					AR5K_QCU_MISC_CBREXP_DIS);
+		break;
 
-		case AR5K_TX_QUEUE_DATA:
-		default:
+	case AR5K_TX_QUEUE_DATA:
+	default:
 			break;
-		}
-
-		/* TODO: Handle frame compression */
-
-		/*
-		 * Enable interrupts for this tx queue
-		 * in the secondary interrupt mask registers
-		 */
-		if (tq->tqi_flags & AR5K_TXQ_FLAG_TXOKINT_ENABLE)
-			AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_txok, queue);
-
-		if (tq->tqi_flags & AR5K_TXQ_FLAG_TXERRINT_ENABLE)
-			AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_txerr, queue);
-
-		if (tq->tqi_flags & AR5K_TXQ_FLAG_TXURNINT_ENABLE)
-			AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_txurn, queue);
-
-		if (tq->tqi_flags & AR5K_TXQ_FLAG_TXDESCINT_ENABLE)
-			AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_txdesc, queue);
-
-		if (tq->tqi_flags & AR5K_TXQ_FLAG_TXEOLINT_ENABLE)
-			AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_txeol, queue);
-
-		if (tq->tqi_flags & AR5K_TXQ_FLAG_CBRORNINT_ENABLE)
-			AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_cbrorn, queue);
-
-		if (tq->tqi_flags & AR5K_TXQ_FLAG_CBRURNINT_ENABLE)
-			AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_cbrurn, queue);
-
-		if (tq->tqi_flags & AR5K_TXQ_FLAG_QTRIGINT_ENABLE)
-			AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_qtrig, queue);
-
-		if (tq->tqi_flags & AR5K_TXQ_FLAG_TXNOFRMINT_ENABLE)
-			AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_nofrm, queue);
-
-		/* Update secondary interrupt mask registers */
-
-		/* Filter out inactive queues */
-		ah->ah_txq_imr_txok &= ah->ah_txq_status;
-		ah->ah_txq_imr_txerr &= ah->ah_txq_status;
-		ah->ah_txq_imr_txurn &= ah->ah_txq_status;
-		ah->ah_txq_imr_txdesc &= ah->ah_txq_status;
-		ah->ah_txq_imr_txeol &= ah->ah_txq_status;
-		ah->ah_txq_imr_cbrorn &= ah->ah_txq_status;
-		ah->ah_txq_imr_cbrurn &= ah->ah_txq_status;
-		ah->ah_txq_imr_qtrig &= ah->ah_txq_status;
-		ah->ah_txq_imr_nofrm &= ah->ah_txq_status;
-
-		ath5k_hw_reg_write(ah, AR5K_REG_SM(ah->ah_txq_imr_txok,
-			AR5K_SIMR0_QCU_TXOK) |
-			AR5K_REG_SM(ah->ah_txq_imr_txdesc,
-			AR5K_SIMR0_QCU_TXDESC), AR5K_SIMR0);
-		ath5k_hw_reg_write(ah, AR5K_REG_SM(ah->ah_txq_imr_txerr,
-			AR5K_SIMR1_QCU_TXERR) |
-			AR5K_REG_SM(ah->ah_txq_imr_txeol,
-			AR5K_SIMR1_QCU_TXEOL), AR5K_SIMR1);
-		/* Update simr2 but don't overwrite rest simr2 settings */
-		AR5K_REG_DISABLE_BITS(ah, AR5K_SIMR2, AR5K_SIMR2_QCU_TXURN);
-		AR5K_REG_ENABLE_BITS(ah, AR5K_SIMR2,
-			AR5K_REG_SM(ah->ah_txq_imr_txurn,
-			AR5K_SIMR2_QCU_TXURN));
-		ath5k_hw_reg_write(ah, AR5K_REG_SM(ah->ah_txq_imr_cbrorn,
-			AR5K_SIMR3_QCBRORN) |
-			AR5K_REG_SM(ah->ah_txq_imr_cbrurn,
-			AR5K_SIMR3_QCBRURN), AR5K_SIMR3);
-		ath5k_hw_reg_write(ah, AR5K_REG_SM(ah->ah_txq_imr_qtrig,
-			AR5K_SIMR4_QTRIG), AR5K_SIMR4);
-		/* Set TXNOFRM_QCU for the queues with TXNOFRM enabled */
-		ath5k_hw_reg_write(ah, AR5K_REG_SM(ah->ah_txq_imr_nofrm,
-			AR5K_TXNOFRM_QCU), AR5K_TXNOFRM);
-		/* No queue has TXNOFRM enabled, disable the interrupt
-		 * by setting AR5K_TXNOFRM to zero */
-		if (ah->ah_txq_imr_nofrm == 0)
-			ath5k_hw_reg_write(ah, 0, AR5K_TXNOFRM);
-
-		/* Set QCU mask for this DCU to save power */
-		AR5K_REG_WRITE_Q(ah, AR5K_QUEUE_QCUMASK(queue), queue);
 	}
 
+	/* TODO: Handle frame compression */
+
+	/*
+	 * Enable interrupts for this tx queue
+	 * in the secondary interrupt mask registers
+	 */
+	if (tq->tqi_flags & AR5K_TXQ_FLAG_TXOKINT_ENABLE)
+		AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_txok, queue);
+
+	if (tq->tqi_flags & AR5K_TXQ_FLAG_TXERRINT_ENABLE)
+		AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_txerr, queue);
+
+	if (tq->tqi_flags & AR5K_TXQ_FLAG_TXURNINT_ENABLE)
+		AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_txurn, queue);
+
+	if (tq->tqi_flags & AR5K_TXQ_FLAG_TXDESCINT_ENABLE)
+		AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_txdesc, queue);
+
+	if (tq->tqi_flags & AR5K_TXQ_FLAG_TXEOLINT_ENABLE)
+		AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_txeol, queue);
+
+	if (tq->tqi_flags & AR5K_TXQ_FLAG_CBRORNINT_ENABLE)
+		AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_cbrorn, queue);
+
+	if (tq->tqi_flags & AR5K_TXQ_FLAG_CBRURNINT_ENABLE)
+		AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_cbrurn, queue);
+
+	if (tq->tqi_flags & AR5K_TXQ_FLAG_QTRIGINT_ENABLE)
+		AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_qtrig, queue);
+
+	if (tq->tqi_flags & AR5K_TXQ_FLAG_TXNOFRMINT_ENABLE)
+		AR5K_Q_ENABLE_BITS(ah->ah_txq_imr_nofrm, queue);
+
+	/* Update secondary interrupt mask registers */
+
+	/* Filter out inactive queues */
+	ah->ah_txq_imr_txok &= ah->ah_txq_status;
+	ah->ah_txq_imr_txerr &= ah->ah_txq_status;
+	ah->ah_txq_imr_txurn &= ah->ah_txq_status;
+	ah->ah_txq_imr_txdesc &= ah->ah_txq_status;
+	ah->ah_txq_imr_txeol &= ah->ah_txq_status;
+	ah->ah_txq_imr_cbrorn &= ah->ah_txq_status;
+	ah->ah_txq_imr_cbrurn &= ah->ah_txq_status;
+	ah->ah_txq_imr_qtrig &= ah->ah_txq_status;
+	ah->ah_txq_imr_nofrm &= ah->ah_txq_status;
+
+	ath5k_hw_reg_write(ah, AR5K_REG_SM(ah->ah_txq_imr_txok,
+					AR5K_SIMR0_QCU_TXOK) |
+					AR5K_REG_SM(ah->ah_txq_imr_txdesc,
+					AR5K_SIMR0_QCU_TXDESC),
+					AR5K_SIMR0);
+
+	ath5k_hw_reg_write(ah, AR5K_REG_SM(ah->ah_txq_imr_txerr,
+					AR5K_SIMR1_QCU_TXERR) |
+					AR5K_REG_SM(ah->ah_txq_imr_txeol,
+					AR5K_SIMR1_QCU_TXEOL),
+					AR5K_SIMR1);
+
+	/* Update SIMR2 but don't overwrite rest simr2 settings */
+	AR5K_REG_DISABLE_BITS(ah, AR5K_SIMR2, AR5K_SIMR2_QCU_TXURN);
+	AR5K_REG_ENABLE_BITS(ah, AR5K_SIMR2,
+				AR5K_REG_SM(ah->ah_txq_imr_txurn,
+				AR5K_SIMR2_QCU_TXURN));
+
+	ath5k_hw_reg_write(ah, AR5K_REG_SM(ah->ah_txq_imr_cbrorn,
+				AR5K_SIMR3_QCBRORN) |
+				AR5K_REG_SM(ah->ah_txq_imr_cbrurn,
+				AR5K_SIMR3_QCBRURN),
+				AR5K_SIMR3);
+
+	ath5k_hw_reg_write(ah, AR5K_REG_SM(ah->ah_txq_imr_qtrig,
+				AR5K_SIMR4_QTRIG), AR5K_SIMR4);
+
+	/* Set TXNOFRM_QCU for the queues with TXNOFRM enabled */
+	ath5k_hw_reg_write(ah, AR5K_REG_SM(ah->ah_txq_imr_nofrm,
+				AR5K_TXNOFRM_QCU), AR5K_TXNOFRM);
+
+	/* No queue has TXNOFRM enabled, disable the interrupt
+	 * by setting AR5K_TXNOFRM to zero */
+	if (ah->ah_txq_imr_nofrm == 0)
+		ath5k_hw_reg_write(ah, 0, AR5K_TXNOFRM);
+
+	/* Set QCU mask for this DCU to save power */
+	AR5K_REG_WRITE_Q(ah, AR5K_QUEUE_QCUMASK(queue), queue);
+
 	return 0;
 }
 
-/*
- * Set slot time on DCU
+
+/**************************\
+* Global QCU/DCU functions *
+\**************************/
+
+/**
+ * ath5k_hw_set_ifs_intervals  - Set global inter-frame spaces on DCU
+ *
+ * @ah The &struct ath5k_hw
+ * @slot_time Slot time in us
+ *
+ * Sets the global IFS intervals on DCU (also works on AR5210) for
+ * the given slot time and the current bwmode.
  */
-int ath5k_hw_set_slot_time(struct ath5k_hw *ah, unsigned int slot_time)
+int ath5k_hw_set_ifs_intervals(struct ath5k_hw *ah, unsigned int slot_time)
 {
+	struct ieee80211_channel *channel = ah->ah_current_channel;
+	struct ath5k_softc *sc = ah->ah_sc;
+	struct ieee80211_rate *rate;
+	u32 ack_tx_time, eifs, eifs_clock, sifs, sifs_clock;
 	u32 slot_time_clock = ath5k_hw_htoclock(ah, slot_time);
 
 	if (slot_time < 6 || slot_time_clock > AR5K_SLOT_TIME_MAX)
 		return -EINVAL;
 
-	if (ah->ah_version == AR5K_AR5210)
-		ath5k_hw_reg_write(ah, slot_time_clock, AR5K_SLOT_TIME);
+	sifs = ath5k_hw_get_default_sifs(ah);
+	sifs_clock = ath5k_hw_htoclock(ah, sifs);
+
+	/* EIFS
+	 * Txtime of ack at lowest rate + SIFS + DIFS
+	 * (DIFS = SIFS + 2 * Slot time)
+	 *
+	 * Note: HAL has some predefined values for EIFS
+	 * Turbo:   (37 + 2 * 6)
+	 * Default: (74 + 2 * 9)
+	 * Half:    (149 + 2 * 13)
+	 * Quarter: (298 + 2 * 21)
+	 *
+	 * (74 + 2 * 6) for AR5210 default and turbo !
+	 *
+	 * According to the formula we have
+	 * ack_tx_time = 25 for turbo and
+	 * ack_tx_time = 42.5 * clock multiplier
+	 * for default/half/quarter.
+	 *
+	 * This can't be right, 42 is what we would get
+	 * from ath5k_hw_get_frame_dur_for_bwmode or
+	 * ieee80211_generic_frame_duration for zero frame
+	 * length and without SIFS !
+	 *
+	 * Also we have different lowest rate for 802.11a
+	 */
+	if (channel->hw_value & CHANNEL_5GHZ)
+		rate = &sc->sbands[IEEE80211_BAND_5GHZ].bitrates[0];
 	else
-		ath5k_hw_reg_write(ah, slot_time_clock, AR5K_DCU_GBL_IFS_SLOT);
+		rate = &sc->sbands[IEEE80211_BAND_2GHZ].bitrates[0];
+
+	ack_tx_time = ath5k_hw_get_frame_duration(ah, 10, rate);
+
+	/* ack_tx_time includes an SIFS already */
+	eifs = ack_tx_time + sifs + 2 * slot_time;
+	eifs_clock = ath5k_hw_htoclock(ah, eifs);
+
+	/* Set IFS settings on AR5210 */
+	if (ah->ah_version == AR5K_AR5210) {
+		u32 pifs, pifs_clock, difs, difs_clock;
+
+		/* Set slot time */
+		ath5k_hw_reg_write(ah, slot_time_clock, AR5K_SLOT_TIME);
+
+		/* Set EIFS */
+		eifs_clock = AR5K_REG_SM(eifs_clock, AR5K_IFS1_EIFS);
+
+		/* PIFS = Slot time + SIFS */
+		pifs = slot_time + sifs;
+		pifs_clock = ath5k_hw_htoclock(ah, pifs);
+		pifs_clock = AR5K_REG_SM(pifs_clock, AR5K_IFS1_PIFS);
+
+		/* DIFS = SIFS + 2 * Slot time */
+		difs = sifs + 2 * slot_time;
+		difs_clock = ath5k_hw_htoclock(ah, difs);
+
+		/* Set SIFS/DIFS */
+		ath5k_hw_reg_write(ah, (difs_clock <<
+				AR5K_IFS0_DIFS_S) | sifs_clock,
+				AR5K_IFS0);
+
+		/* Set PIFS/EIFS and preserve AR5K_INIT_CARR_SENSE_EN */
+		ath5k_hw_reg_write(ah, pifs_clock | eifs_clock |
+				(AR5K_INIT_CARR_SENSE_EN << AR5K_IFS1_CS_EN_S),
+				AR5K_IFS1);
+
+		return 0;
+	}
+
+	/* Set IFS slot time */
+	ath5k_hw_reg_write(ah, slot_time_clock, AR5K_DCU_GBL_IFS_SLOT);
+
+	/* Set EIFS interval */
+	ath5k_hw_reg_write(ah, eifs_clock, AR5K_DCU_GBL_IFS_EIFS);
+
+	/* Set SIFS interval in usecs */
+	AR5K_REG_WRITE_BITS(ah, AR5K_DCU_GBL_IFS_MISC,
+				AR5K_DCU_GBL_IFS_MISC_SIFS_DUR_USEC,
+				sifs);
+
+	/* Set SIFS interval in clock cycles */
+	ath5k_hw_reg_write(ah, sifs_clock, AR5K_DCU_GBL_IFS_SIFS);
 
 	return 0;
 }
 
+
+int ath5k_hw_init_queues(struct ath5k_hw *ah)
+{
+	int i, ret;
+
+	/* TODO: HW Compression support for data queues */
+	/* TODO: Burst prefetch for data queues */
+
+	/*
+	 * Reset queues and start beacon timers at the end of the reset routine
+	 * This also sets QCU mask on each DCU for 1:1 qcu to dcu mapping
+	 * Note: If we want we can assign multiple qcus on one dcu.
+	 */
+	if (ah->ah_version != AR5K_AR5210)
+		for (i = 0; i < ah->ah_capabilities.cap_queues.q_tx_num; i++) {
+			ret = ath5k_hw_reset_tx_queue(ah, i);
+			if (ret) {
+				ATH5K_ERR(ah->ah_sc,
+					"failed to reset TX queue #%d\n", i);
+				return ret;
+			}
+		}
+	else
+		/* No QCU/DCU on AR5210, just set tx
+		 * retry limits. We set IFS parameters
+		 * on ath5k_hw_set_ifs_intervals */
+		ath5k_hw_set_tx_retry_limits(ah, 0);
+
+	/* Set the turbo flag when operating on 40MHz */
+	if (ah->ah_bwmode == AR5K_BWMODE_40MHZ)
+		AR5K_REG_ENABLE_BITS(ah, AR5K_DCU_GBL_IFS_MISC,
+				AR5K_DCU_GBL_IFS_MISC_TURBO_MODE);
+
+	/* If we didn't set IFS timings through
+	 * ath5k_hw_set_coverage_class make sure
+	 * we set them here */
+	if (!ah->ah_coverage_class) {
+		unsigned int slot_time = ath5k_hw_get_default_slottime(ah);
+		ath5k_hw_set_ifs_intervals(ah, slot_time);
+	}
+
+	return 0;
+}

drivers/net/wireless/ath/ath5k/reg.h

@@ -787,6 +787,7 @@
 #define	AR5K_DCU_GBL_IFS_MISC_LFSR_SLICE	0x00000007	/* LFSR Slice Select */
 #define	AR5K_DCU_GBL_IFS_MISC_TURBO_MODE	0x00000008	/* Turbo mode */
 #define	AR5K_DCU_GBL_IFS_MISC_SIFS_DUR_USEC	0x000003f0	/* SIFS Duration mask */
+#define	AR5K_DCU_GBL_IFS_MISC_SIFS_DUR_USEC_S	4
 #define	AR5K_DCU_GBL_IFS_MISC_USEC_DUR		0x000ffc00	/* USEC Duration mask */
 #define	AR5K_DCU_GBL_IFS_MISC_USEC_DUR_S	10
 #define	AR5K_DCU_GBL_IFS_MISC_DCU_ARB_DELAY	0x00300000	/* DCU Arbiter delay mask */
@@ -1311,7 +1312,7 @@
 #define AR5K_IFS1_EIFS		0x03fff000
 #define AR5K_IFS1_EIFS_S	12
 #define AR5K_IFS1_CS_EN		0x04000000
-
+#define AR5K_IFS1_CS_EN_S	26
 
 /*
  * CFP duration register
@@ -2058,6 +2059,7 @@
 
 #define AR5K_PHY_SCAL			0x9878
 #define AR5K_PHY_SCAL_32MHZ		0x0000000e
+#define	AR5K_PHY_SCAL_32MHZ_5311	0x00000008
 #define	AR5K_PHY_SCAL_32MHZ_2417	0x0000000a
 #define	AR5K_PHY_SCAL_32MHZ_HB63	0x00000032
 
@@ -2244,6 +2246,8 @@
 #define	AR5K_PHY_FRAME_CTL		(ah->ah_version == AR5K_AR5210 ? \
 					AR5K_PHY_FRAME_CTL_5210 : AR5K_PHY_FRAME_CTL_5211)
 /*---[5111+]---*/
+#define	AR5K_PHY_FRAME_CTL_WIN_LEN	0x00000003	/* Force window length (?) */
+#define	AR5K_PHY_FRAME_CTL_WIN_LEN_S	0
 #define	AR5K_PHY_FRAME_CTL_TX_CLIP	0x00000038	/* Mask for tx clip (?) */
 #define	AR5K_PHY_FRAME_CTL_TX_CLIP_S	3
 #define	AR5K_PHY_FRAME_CTL_PREP_CHINFO	0x00010000	/* Prepend chan info */
@@ -2558,3 +2562,28 @@
  */
 #define AR5K_PHY_PDADC_TXPOWER_BASE	0xa280
 #define	AR5K_PHY_PDADC_TXPOWER(_n)	(AR5K_PHY_PDADC_TXPOWER_BASE + ((_n) << 2))
+
+/*
+ * Platform registers for WiSoC
+ */
+#define AR5K_AR5312_RESET		0xbc003020
+#define AR5K_AR5312_RESET_BB0_COLD	0x00000004
+#define AR5K_AR5312_RESET_BB1_COLD	0x00000200
+#define AR5K_AR5312_RESET_WMAC0		0x00002000
+#define AR5K_AR5312_RESET_BB0_WARM	0x00004000
+#define AR5K_AR5312_RESET_WMAC1		0x00020000
+#define AR5K_AR5312_RESET_BB1_WARM	0x00040000
+
+#define AR5K_AR5312_ENABLE		0xbc003080
+#define AR5K_AR5312_ENABLE_WLAN0    0x00000001
+#define AR5K_AR5312_ENABLE_WLAN1    0x00000008
+
+#define AR5K_AR2315_RESET		0xb1000004
+#define AR5K_AR2315_RESET_WMAC		0x00000001
+#define AR5K_AR2315_RESET_BB_WARM	0x00000002
+
+#define AR5K_AR2315_AHB_ARB_CTL		0xb1000008
+#define AR5K_AR2315_AHB_ARB_CTL_WLAN	0x00000002
+
+#define AR5K_AR2315_BYTESWAP	0xb100000c
+#define AR5K_AR2315_BYTESWAP_WMAC	0x00000002

drivers/net/wireless/ath/ath5k/sysfs.c

@@ -95,7 +95,7 @@ static struct attribute_group ath5k_attribute_group_ani = {
 int
 ath5k_sysfs_register(struct ath5k_softc *sc)
 {
-	struct device *dev = &sc->pdev->dev;
+	struct device *dev = sc->dev;
 	int err;
 
 	err = sysfs_create_group(&dev->kobj, &ath5k_attribute_group_ani);
@@ -110,7 +110,7 @@ ath5k_sysfs_register(struct ath5k_softc *sc)
 void
 ath5k_sysfs_unregister(struct ath5k_softc *sc)
 {
-	struct device *dev = &sc->pdev->dev;
+	struct device *dev = sc->dev;
 
 	sysfs_remove_group(&dev->kobj, &ath5k_attribute_group_ani);
 }

drivers/net/wireless/ath/ath9k/ar9003_eeprom.c

@@ -57,10 +57,11 @@
 #define SUB_NUM_CTL_MODES_AT_5G_40 2    /* excluding HT40, EXT-OFDM */
 #define SUB_NUM_CTL_MODES_AT_2G_40 3    /* excluding HT40, EXT-OFDM, EXT-CCK */
 
+#define CTL(_tpower, _flag) ((_tpower) | ((_flag) << 6))
+
 static int ar9003_hw_power_interpolate(int32_t x,
 				       int32_t *px, int32_t *py, u_int16_t np);
 
-#define CTL(_tpower, _flag) ((_tpower) | ((_flag) << 6))
 
 static const struct ar9300_eeprom ar9300_default = {
 	.eepromVersion = 2,
@@ -3032,6 +3033,8 @@ static u32 ath9k_hw_ar9300_get_eeprom(struct ath_hw *ah,
 		return le32_to_cpu(pBase->swreg);
 	case EEP_PAPRD:
 		return !!(pBase->featureEnable & BIT(5));
+	case EEP_CHAIN_MASK_REDUCE:
+		return (pBase->miscConfiguration >> 0x3) & 0x1;
 	default:
 		return 0;
 	}

drivers/net/wireless/ath/ath9k/ar9003_phy.c

@@ -487,7 +487,11 @@ void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx)
 		break;
 	}
 
-	REG_WRITE(ah, AR_SELFGEN_MASK, tx);
+	if ((ah->caps.hw_caps & ATH9K_HW_CAP_APM) && (tx == 0x7))
+		REG_WRITE(ah, AR_SELFGEN_MASK, 0x3);
+	else
+		REG_WRITE(ah, AR_SELFGEN_MASK, tx);
+
 	if (tx == 0x5) {
 		REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
 			    AR_PHY_SWAP_ALT_CHAIN);

drivers/net/wireless/ath/ath9k/ath9k.h

@@ -545,6 +545,7 @@ struct ath_ant_comb {
 #define SC_OP_BT_PRIORITY_DETECTED   BIT(12)
 #define SC_OP_BT_SCAN		     BIT(13)
 #define SC_OP_ANI_RUN		     BIT(14)
+#define SC_OP_ENABLE_APM	     BIT(15)
 
 /* Powersave flags */
 #define PS_WAIT_FOR_BEACON        BIT(0)
@@ -697,6 +698,8 @@ static inline void ath_ahb_exit(void) {};
 void ath9k_ps_wakeup(struct ath_softc *sc);
 void ath9k_ps_restore(struct ath_softc *sc);
 
+u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate);
+
 void ath9k_set_bssid_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
 int ath9k_wiphy_add(struct ath_softc *sc);
 int ath9k_wiphy_del(struct ath_wiphy *aphy);

drivers/net/wireless/ath/ath9k/beacon.c

@@ -103,7 +103,8 @@ static void ath_beacon_setup(struct ath_softc *sc, struct ath_vif *avp,
 	memset(series, 0, sizeof(struct ath9k_11n_rate_series) * 4);
 	series[0].Tries = 1;
 	series[0].Rate = rate;
-	series[0].ChSel = common->tx_chainmask;
+	series[0].ChSel = ath_txchainmask_reduction(sc,
+			common->tx_chainmask, series[0].Rate);
 	series[0].RateFlags = (ctsrate) ? ATH9K_RATESERIES_RTS_CTS : 0;
 	ath9k_hw_set11n_ratescenario(ah, ds, ds, 0, ctsrate, ctsduration,
 				     series, 4, 0);

drivers/net/wireless/ath/ath9k/btcoex.c

@@ -35,29 +35,6 @@ struct ath_btcoex_config {
 	bool bt_hold_rx_clear;
 };
 
-static const u16 ath_subsysid_tbl[] = {
-	AR9280_COEX2WIRE_SUBSYSID,
-	AT9285_COEX3WIRE_SA_SUBSYSID,
-	AT9285_COEX3WIRE_DA_SUBSYSID
-};
-
-/*
- * Checks the subsystem id of the device to see if it
- * supports btcoex
- */
-bool ath9k_hw_btcoex_supported(struct ath_hw *ah)
-{
-	int i;
-
-	if (!ah->hw_version.subsysid)
-		return false;
-
-	for (i = 0; i < ARRAY_SIZE(ath_subsysid_tbl); i++)
-		if (ah->hw_version.subsysid == ath_subsysid_tbl[i])
-			return true;
-
-	return false;
-}
 
 void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum)
 {

drivers/net/wireless/ath/ath9k/btcoex.h

@@ -49,7 +49,6 @@ struct ath_btcoex_hw {
 	u32 bt_coex_mode2; 	/* Register setting for AR_BT_COEX_MODE2 */
 };
 
-bool ath9k_hw_btcoex_supported(struct ath_hw *ah);
 void ath9k_hw_btcoex_init_2wire(struct ath_hw *ah);
 void ath9k_hw_btcoex_init_3wire(struct ath_hw *ah);
 void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum);

drivers/net/wireless/ath/ath9k/debug.c

@@ -24,8 +24,6 @@
 #define REG_READ_D(_ah, _reg) \
 	ath9k_hw_common(_ah)->ops->read((_ah), (_reg))
 
-static struct dentry *ath9k_debugfs_root;
-
 static int ath9k_debugfs_open(struct inode *inode, struct file *file)
 {
 	file->private_data = inode->i_private;
@@ -878,11 +876,8 @@ int ath9k_init_debug(struct ath_hw *ah)
 	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath_softc *sc = (struct ath_softc *) common->priv;
 
-	if (!ath9k_debugfs_root)
-		return -ENOENT;
-
-	sc->debug.debugfs_phy = debugfs_create_dir(wiphy_name(sc->hw->wiphy),
-						      ath9k_debugfs_root);
+	sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
+						   sc->hw->wiphy->debugfsdir);
 	if (!sc->debug.debugfs_phy)
 		return -ENOMEM;
 
@@ -935,29 +930,7 @@ int ath9k_init_debug(struct ath_hw *ah)
 	sc->debug.regidx = 0;
 	return 0;
 err:
-	ath9k_exit_debug(ah);
-	return -ENOMEM;
-}
-
-void ath9k_exit_debug(struct ath_hw *ah)
-{
-	struct ath_common *common = ath9k_hw_common(ah);
-	struct ath_softc *sc = (struct ath_softc *) common->priv;
-
 	debugfs_remove_recursive(sc->debug.debugfs_phy);
-}
-
-int ath9k_debug_create_root(void)
-{
-	ath9k_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL);
-	if (!ath9k_debugfs_root)
-		return -ENOENT;
-
-	return 0;
-}
-
-void ath9k_debug_remove_root(void)
-{
-	debugfs_remove(ath9k_debugfs_root);
-	ath9k_debugfs_root = NULL;
+	sc->debug.debugfs_phy = NULL;
+	return -ENOMEM;
 }

drivers/net/wireless/ath/ath9k/debug.h

@@ -164,10 +164,7 @@ struct ath9k_debug {
 };
 
 int ath9k_init_debug(struct ath_hw *ah);
-void ath9k_exit_debug(struct ath_hw *ah);
 
-int ath9k_debug_create_root(void);
-void ath9k_debug_remove_root(void);
 void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
 void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
 		       struct ath_tx_status *ts);
@@ -180,19 +177,6 @@ static inline int ath9k_init_debug(struct ath_hw *ah)
 	return 0;
 }
 
-static inline void ath9k_exit_debug(struct ath_hw *ah)
-{
-}
-
-static inline int ath9k_debug_create_root(void)
-{
-	return 0;
-}
-
-static inline void ath9k_debug_remove_root(void)
-{
-}
-
 static inline void ath_debug_stat_interrupt(struct ath_softc *sc,
 					    enum ath9k_int status)
 {

drivers/net/wireless/ath/ath9k/eeprom.h

@@ -280,6 +280,7 @@ enum eeprom_param {
 	EEP_PAPRD,
 	EEP_MODAL_VER,
 	EEP_ANT_DIV_CTL1,
+	EEP_CHAIN_MASK_REDUCE
 };
 
 enum ar5416_rates {

drivers/net/wireless/ath/ath9k/hif_usb.c

@@ -363,9 +363,9 @@ static void ath9k_hif_usb_rx_stream(struct hif_device_usb *hif_dev,
 				    struct sk_buff *skb)
 {
 	struct sk_buff *nskb, *skb_pool[MAX_PKT_NUM_IN_TRANSFER];
-	int index = 0, i = 0, chk_idx, len = skb->len;
-	int rx_remain_len = 0, rx_pkt_len = 0;
-	u16 pkt_len, pkt_tag, pool_index = 0;
+	int index = 0, i = 0, len = skb->len;
+	int rx_remain_len, rx_pkt_len;
+	u16 pool_index = 0;
 	u8 *ptr;
 
 	spin_lock(&hif_dev->rx_lock);
@@ -399,64 +399,64 @@ static void ath9k_hif_usb_rx_stream(struct hif_device_usb *hif_dev,
 	spin_unlock(&hif_dev->rx_lock);
 
 	while (index < len) {
+		u16 pkt_len;
+		u16 pkt_tag;
+		u16 pad_len;
+		int chk_idx;
+
 		ptr = (u8 *) skb->data;
 
 		pkt_len = ptr[index] + (ptr[index+1] << 8);
 		pkt_tag = ptr[index+2] + (ptr[index+3] << 8);
 
-		if (pkt_tag == ATH_USB_RX_STREAM_MODE_TAG) {
-			u16 pad_len;
-
-			pad_len = 4 - (pkt_len & 0x3);
-			if (pad_len == 4)
-				pad_len = 0;
-
-			chk_idx = index;
-			index = index + 4 + pkt_len + pad_len;
-
-			if (index > MAX_RX_BUF_SIZE) {
-				spin_lock(&hif_dev->rx_lock);
-				hif_dev->rx_remain_len = index - MAX_RX_BUF_SIZE;
-				hif_dev->rx_transfer_len =
-					MAX_RX_BUF_SIZE - chk_idx - 4;
-				hif_dev->rx_pad_len = pad_len;
-
-				nskb = __dev_alloc_skb(pkt_len + 32,
-						       GFP_ATOMIC);
-				if (!nskb) {
-					dev_err(&hif_dev->udev->dev,
-					"ath9k_htc: RX memory allocation"
-					" error\n");
-					spin_unlock(&hif_dev->rx_lock);
-					goto err;
-				}
-				skb_reserve(nskb, 32);
-				RX_STAT_INC(skb_allocated);
-
-				memcpy(nskb->data, &(skb->data[chk_idx+4]),
-				       hif_dev->rx_transfer_len);
-
-				/* Record the buffer pointer */
-				hif_dev->remain_skb = nskb;
+		if (pkt_tag != ATH_USB_RX_STREAM_MODE_TAG) {
+			RX_STAT_INC(skb_dropped);
+			return;
+		}
+
+		pad_len = 4 - (pkt_len & 0x3);
+		if (pad_len == 4)
+			pad_len = 0;
+
+		chk_idx = index;
+		index = index + 4 + pkt_len + pad_len;
+
+		if (index > MAX_RX_BUF_SIZE) {
+			spin_lock(&hif_dev->rx_lock);
+			hif_dev->rx_remain_len = index - MAX_RX_BUF_SIZE;
+			hif_dev->rx_transfer_len =
+				MAX_RX_BUF_SIZE - chk_idx - 4;
+			hif_dev->rx_pad_len = pad_len;
+
+			nskb = __dev_alloc_skb(pkt_len + 32, GFP_ATOMIC);
+			if (!nskb) {
+				dev_err(&hif_dev->udev->dev,
+					"ath9k_htc: RX memory allocation error\n");
 				spin_unlock(&hif_dev->rx_lock);
-			} else {
-				nskb = __dev_alloc_skb(pkt_len + 32, GFP_ATOMIC);
-				if (!nskb) {
-					dev_err(&hif_dev->udev->dev,
-					"ath9k_htc: RX memory allocation"
-					" error\n");
-					goto err;
-				}
-				skb_reserve(nskb, 32);
-				RX_STAT_INC(skb_allocated);
-
-				memcpy(nskb->data, &(skb->data[chk_idx+4]), pkt_len);
-				skb_put(nskb, pkt_len);
-				skb_pool[pool_index++] = nskb;
+				goto err;
 			}
+			skb_reserve(nskb, 32);
+			RX_STAT_INC(skb_allocated);
+
+			memcpy(nskb->data, &(skb->data[chk_idx+4]),
+			       hif_dev->rx_transfer_len);
+
+			/* Record the buffer pointer */
+			hif_dev->remain_skb = nskb;
+			spin_unlock(&hif_dev->rx_lock);
 		} else {
-			RX_STAT_INC(skb_dropped);
-			return;
+			nskb = __dev_alloc_skb(pkt_len + 32, GFP_ATOMIC);
+			if (!nskb) {
+				dev_err(&hif_dev->udev->dev,
+					"ath9k_htc: RX memory allocation error\n");
+				goto err;
+			}
+			skb_reserve(nskb, 32);
+			RX_STAT_INC(skb_allocated);
+
+			memcpy(nskb->data, &(skb->data[chk_idx+4]), pkt_len);
+			skb_put(nskb, pkt_len);
+			skb_pool[pool_index++] = nskb;
 		}
 	}
 
@@ -471,7 +471,7 @@ err:
 static void ath9k_hif_usb_rx_cb(struct urb *urb)
 {
 	struct sk_buff *skb = (struct sk_buff *) urb->context;
-	struct hif_device_usb *hif_dev = (struct hif_device_usb *)
+	struct hif_device_usb *hif_dev =
 		usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
 	int ret;
 
@@ -518,7 +518,7 @@ static void ath9k_hif_usb_reg_in_cb(struct urb *urb)
 {
 	struct sk_buff *skb = (struct sk_buff *) urb->context;
 	struct sk_buff *nskb;
-	struct hif_device_usb *hif_dev = (struct hif_device_usb *)
+	struct hif_device_usb *hif_dev =
 		usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
 	int ret;
 
@@ -993,8 +993,7 @@ static void ath9k_hif_usb_reboot(struct usb_device *udev)
 static void ath9k_hif_usb_disconnect(struct usb_interface *interface)
 {
 	struct usb_device *udev = interface_to_usbdev(interface);
-	struct hif_device_usb *hif_dev =
-		(struct hif_device_usb *) usb_get_intfdata(interface);
+	struct hif_device_usb *hif_dev = usb_get_intfdata(interface);
 
 	if (hif_dev) {
 		ath9k_htc_hw_deinit(hif_dev->htc_handle,
@@ -1016,8 +1015,7 @@ static void ath9k_hif_usb_disconnect(struct usb_interface *interface)
 static int ath9k_hif_usb_suspend(struct usb_interface *interface,
 				 pm_message_t message)
 {
-	struct hif_device_usb *hif_dev =
-		(struct hif_device_usb *) usb_get_intfdata(interface);
+	struct hif_device_usb *hif_dev = usb_get_intfdata(interface);
 
 	ath9k_hif_usb_dealloc_urbs(hif_dev);
 
@@ -1026,8 +1024,7 @@ static int ath9k_hif_usb_suspend(struct usb_interface *interface,
 
 static int ath9k_hif_usb_resume(struct usb_interface *interface)
 {
-	struct hif_device_usb *hif_dev =
-		(struct hif_device_usb *) usb_get_intfdata(interface);
+	struct hif_device_usb *hif_dev = usb_get_intfdata(interface);
 	struct htc_target *htc_handle = hif_dev->htc_handle;
 	int ret;
 

drivers/net/wireless/ath/ath9k/htc_drv_main.c

@@ -184,6 +184,47 @@ err:
 	return ret;
 }
 
+static int ath9k_htc_add_monitor_interface(struct ath9k_htc_priv *priv)
+{
+	struct ath_common *common = ath9k_hw_common(priv->ah);
+	struct ath9k_htc_target_vif hvif;
+	int ret = 0;
+	u8 cmd_rsp;
+
+	if (priv->nvifs > 0)
+		return -ENOBUFS;
+
+	memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif));
+	memcpy(&hvif.myaddr, common->macaddr, ETH_ALEN);
+
+	hvif.opmode = cpu_to_be32(HTC_M_MONITOR);
+	priv->ah->opmode = NL80211_IFTYPE_MONITOR;
+	hvif.index = priv->nvifs;
+
+	WMI_CMD_BUF(WMI_VAP_CREATE_CMDID, &hvif);
+	if (ret)
+		return ret;
+
+	priv->nvifs++;
+	return 0;
+}
+
+static int ath9k_htc_remove_monitor_interface(struct ath9k_htc_priv *priv)
+{
+	struct ath_common *common = ath9k_hw_common(priv->ah);
+	struct ath9k_htc_target_vif hvif;
+	int ret = 0;
+	u8 cmd_rsp;
+
+	memset(&hvif, 0, sizeof(struct ath9k_htc_target_vif));
+	memcpy(&hvif.myaddr, common->macaddr, ETH_ALEN);
+	hvif.index = 0; /* Should do for now */
+	WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif);
+	priv->nvifs--;
+
+	return ret;
+}
+
 static int ath9k_htc_add_station(struct ath9k_htc_priv *priv,
 				 struct ieee80211_vif *vif,
 				 struct ieee80211_sta *sta)
@@ -1199,6 +1240,16 @@ static void ath9k_htc_stop(struct ieee80211_hw *hw)
 	WMI_CMD(WMI_STOP_RECV_CMDID);
 	skb_queue_purge(&priv->tx_queue);
 
+	/* Remove monitor interface here */
+	if (ah->opmode == NL80211_IFTYPE_MONITOR) {
+		if (ath9k_htc_remove_monitor_interface(priv))
+			ath_print(common, ATH_DBG_FATAL,
+				  "Unable to remove monitor interface\n");
+		else
+			ath_print(common, ATH_DBG_CONFIG,
+				  "Monitor interface removed\n");
+	}
+
 	if (ah->btcoex_hw.enabled) {
 		ath9k_hw_btcoex_disable(ah);
 		if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
@@ -1372,13 +1423,16 @@ static int ath9k_htc_config(struct ieee80211_hw *hw, u32 changed)
 		}
 	}
 
-	if (changed & IEEE80211_CONF_CHANGE_MONITOR)
+	if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
 		if (conf->flags & IEEE80211_CONF_MONITOR) {
-			ath_print(common, ATH_DBG_CONFIG,
-				  "HW opmode set to Monitor mode\n");
-			priv->ah->opmode = NL80211_IFTYPE_MONITOR;
+			if (ath9k_htc_add_monitor_interface(priv))
+				ath_print(common, ATH_DBG_FATAL,
+					  "Failed to set monitor mode\n");
+			else
+				ath_print(common, ATH_DBG_CONFIG,
+					  "HW opmode set to Monitor mode\n");
 		}
-
+	}
 
 	if (changed & IEEE80211_CONF_CHANGE_IDLE) {
 		mutex_lock(&priv->htc_pm_lock);

drivers/net/wireless/ath/ath9k/htc_hst.h

@@ -77,20 +77,6 @@ struct htc_config_pipe_msg {
 	u8 credits;
 } __packed;
 
-struct htc_packet {
-	void *pktcontext;
-	u8 *buf;
-	u8 *buf_payload;
-	u32 buflen;
-	u32 payload_len;
-
-	int endpoint;
-	int status;
-
-	void *context;
-	u32 reserved;
-};
-
 struct htc_ep_callbacks {
 	void *priv;
 	void (*tx) (void *, struct sk_buff *, enum htc_endpoint_id, bool txok);
@@ -123,11 +109,6 @@ struct htc_endpoint {
 #define HTC_CONTROL_BUFFER_SIZE	\
 	(HTC_MAX_CONTROL_MESSAGE_LENGTH + sizeof(struct htc_frame_hdr))
 
-struct htc_control_buf {
-	struct htc_packet htc_pkt;
-	u8 buf[HTC_CONTROL_BUFFER_SIZE];
-};
-
 #define HTC_OP_START_WAIT           BIT(0)
 #define HTC_OP_CONFIG_PIPE_CREDITS  BIT(1)
 

drivers/net/wireless/ath/ath9k/hw.c

@@ -1925,8 +1925,7 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
 	pCap->num_antcfg_2ghz =
 		ah->eep_ops->get_num_ant_config(ah, ATH9K_HAL_FREQ_BAND_2GHZ);
 
-	if (AR_SREV_9280_20_OR_LATER(ah) &&
-	    ath9k_hw_btcoex_supported(ah)) {
+	if (AR_SREV_9280_20_OR_LATER(ah) && common->btcoex_enabled) {
 		btcoex_hw->btactive_gpio = ATH_BTACTIVE_GPIO;
 		btcoex_hw->wlanactive_gpio = ATH_WLANACTIVE_GPIO;
 
@@ -1975,6 +1974,12 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah)
 			if ((ant_div_ctl1 & 0x1) && ((ant_div_ctl1 >> 3) & 0x1))
 				pCap->hw_caps |= ATH9K_HW_CAP_ANT_DIV_COMB;
 		}
+	if (AR_SREV_9300_20_OR_LATER(ah)) {
+		if (ah->eep_ops->get_eeprom(ah, EEP_CHAIN_MASK_REDUCE))
+			pCap->hw_caps |= ATH9K_HW_CAP_APM;
+	}
+
+
 
 	return 0;
 }

drivers/net/wireless/ath/ath9k/hw.h

@@ -187,6 +187,7 @@ enum ath9k_hw_caps {
 	ATH9K_HW_CAP_ANT_DIV_COMB		= BIT(12),
 	ATH9K_HW_CAP_2GHZ			= BIT(13),
 	ATH9K_HW_CAP_5GHZ			= BIT(14),
+	ATH9K_HW_CAP_APM			= BIT(15),
 };
 
 struct ath9k_hw_capabilities {

drivers/net/wireless/ath/ath9k/init.c

@@ -37,6 +37,10 @@ int led_blink;
 module_param_named(blink, led_blink, int, 0444);
 MODULE_PARM_DESC(blink, "Enable LED blink on activity");
 
+static int ath9k_btcoex_enable;
+module_param_named(btcoex_enable, ath9k_btcoex_enable, int, 0444);
+MODULE_PARM_DESC(btcoex_enable, "Enable wifi-BT coexistence");
+
 /* We use the hw_value as an index into our private channel structure */
 
 #define CHAN2G(_freq, _idx)  { \
@@ -540,6 +544,7 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
 	common->hw = sc->hw;
 	common->priv = sc;
 	common->debug_mask = ath9k_debug;
+	common->btcoex_enabled = ath9k_btcoex_enable == 1;
 	spin_lock_init(&common->cc_lock);
 
 	spin_lock_init(&sc->wiphy_lock);
@@ -562,13 +567,6 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
 	if (ret)
 		goto err_hw;
 
-	ret = ath9k_init_debug(ah);
-	if (ret) {
-		ath_print(common, ATH_DBG_FATAL,
-			  "Unable to create debugfs files\n");
-		goto err_debug;
-	}
-
 	ret = ath9k_init_queues(sc);
 	if (ret)
 		goto err_queues;
@@ -591,8 +589,6 @@ err_btcoex:
 		if (ATH_TXQ_SETUP(sc, i))
 			ath_tx_cleanupq(sc, &sc->tx.txq[i]);
 err_queues:
-	ath9k_exit_debug(ah);
-err_debug:
 	ath9k_hw_deinit(ah);
 err_hw:
 	tasklet_kill(&sc->intr_tq);
@@ -738,6 +734,13 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
 	if (error)
 		goto error_register;
 
+	error = ath9k_init_debug(ah);
+	if (error) {
+		ath_print(common, ATH_DBG_FATAL,
+			  "Unable to create debugfs files\n");
+		goto error_world;
+	}
+
 	/* Handle world regulatory */
 	if (!ath_is_world_regd(reg)) {
 		error = regulatory_hint(hw->wiphy, reg->alpha2);
@@ -796,7 +799,6 @@ static void ath9k_deinit_softc(struct ath_softc *sc)
 		if (ATH_TXQ_SETUP(sc, i))
 			ath_tx_cleanupq(sc, &sc->tx.txq[i]);
 
-	ath9k_exit_debug(sc->sc_ah);
 	ath9k_hw_deinit(sc->sc_ah);
 
 	tasklet_kill(&sc->intr_tq);
@@ -863,20 +865,12 @@ static int __init ath9k_init(void)
 		goto err_out;
 	}
 
-	error = ath9k_debug_create_root();
-	if (error) {
-		printk(KERN_ERR
-			"ath9k: Unable to create debugfs root: %d\n",
-			error);
-		goto err_rate_unregister;
-	}
-
 	error = ath_pci_init();
 	if (error < 0) {
 		printk(KERN_ERR
 			"ath9k: No PCI devices found, driver not installed.\n");
 		error = -ENODEV;
-		goto err_remove_root;
+		goto err_rate_unregister;
 	}
 
 	error = ath_ahb_init();
@@ -890,8 +884,6 @@ static int __init ath9k_init(void)
  err_pci_exit:
 	ath_pci_exit();
 
- err_remove_root:
-	ath9k_debug_remove_root();
  err_rate_unregister:
 	ath_rate_control_unregister();
  err_out:
@@ -903,7 +895,6 @@ static void __exit ath9k_exit(void)
 {
 	ath_ahb_exit();
 	ath_pci_exit();
-	ath9k_debug_remove_root();
 	ath_rate_control_unregister();
 	printk(KERN_INFO "%s: Driver unloaded\n", dev_info);
 }

drivers/net/wireless/ath/ath9k/main.c

@@ -553,9 +553,12 @@ void ath_update_chainmask(struct ath_softc *sc, int is_ht)
 static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta)
 {
 	struct ath_node *an;
-
+	struct ath_hw *ah = sc->sc_ah;
 	an = (struct ath_node *)sta->drv_priv;
 
+	if ((ah->caps.hw_caps) & ATH9K_HW_CAP_APM)
+		sc->sc_flags |= SC_OP_ENABLE_APM;
+
 	if (sc->sc_flags & SC_OP_TXAGGR) {
 		ath_tx_node_init(sc, an);
 		an->maxampdu = 1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +

drivers/net/wireless/ath/ath9k/xmit.c

@@ -250,11 +250,11 @@ static void ath_tid_drain(struct ath_softc *sc, struct ath_txq *txq,
 static void ath_tx_set_retry(struct ath_softc *sc, struct ath_txq *txq,
 			     struct sk_buff *skb)
 {
-	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
+	struct ath_frame_info *fi = get_frame_info(skb);
 	struct ieee80211_hdr *hdr;
 
 	TX_STAT_INC(txq->axq_qnum, a_retries);
-	if (tx_info->control.rates[4].count++ > 0)
+	if (fi->retries++ > 0)
 		return;
 
 	hdr = (struct ieee80211_hdr *)skb->data;
@@ -1506,6 +1506,18 @@ static u32 ath_pkt_duration(struct ath_softc *sc, u8 rix, int pktlen,
 	return duration;
 }
 
+u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate)
+{
+	struct ath_hw *ah = sc->sc_ah;
+	struct ath9k_channel *curchan = ah->curchan;
+	if ((sc->sc_flags & SC_OP_ENABLE_APM) &&
+			(curchan->channelFlags & CHANNEL_5GHZ) &&
+			(chainmask == 0x7) && (rate < 0x90))
+		return 0x3;
+	else
+		return chainmask;
+}
+
 static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len)
 {
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
@@ -1546,7 +1558,6 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len)
 
 		rix = rates[i].idx;
 		series[i].Tries = rates[i].count;
-		series[i].ChSel = common->tx_chainmask;
 
 		if ((sc->config.ath_aggr_prot && bf_isaggr(bf)) ||
 		    (rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS)) {
@@ -1569,6 +1580,8 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len)
 		if (rates[i].flags & IEEE80211_TX_RC_MCS) {
 			/* MCS rates */
 			series[i].Rate = rix | 0x80;
+			series[i].ChSel = ath_txchainmask_reduction(sc,
+					common->tx_chainmask, series[i].Rate);
 			series[i].PktDuration = ath_pkt_duration(sc, rix, len,
 				 is_40, is_sgi, is_sp);
 			if (rix < 8 && (tx_info->flags & IEEE80211_TX_CTL_STBC))
@@ -1576,7 +1589,7 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len)
 			continue;
 		}
 
-		/* legcay rates */
+		/* legacy rates */
 		if ((tx_info->band == IEEE80211_BAND_2GHZ) &&
 		    !(rate->flags & IEEE80211_RATE_ERP_G))
 			phy = WLAN_RC_PHY_CCK;
@@ -1592,6 +1605,12 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len)
 			is_sp = false;
 		}
 
+		if (bf->bf_state.bfs_paprd)
+			series[i].ChSel = common->tx_chainmask;
+		else
+			series[i].ChSel = ath_txchainmask_reduction(sc,
+					common->tx_chainmask, series[i].Rate);
+
 		series[i].PktDuration = ath9k_hw_computetxtime(sc->sc_ah,
 			phy, rate->bitrate * 100, len, rix, is_sp);
 	}

drivers/net/wireless/ath/carl9170/usb.c

@@ -160,8 +160,7 @@ err_acc:
 
 static void carl9170_usb_tx_data_complete(struct urb *urb)
 {
-	struct ar9170 *ar = (struct ar9170 *)
-	      usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
+	struct ar9170 *ar = usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
 
 	if (WARN_ON_ONCE(!ar)) {
 		dev_kfree_skb_irq(urb->context);

drivers/net/wireless/b43/phy_n.c

@@ -67,6 +67,18 @@ enum b43_nphy_rf_sequence {
 	B43_RFSEQ_UPDATE_GAINU,
 };
 
+enum b43_nphy_rssi_type {
+	B43_NPHY_RSSI_X = 0,
+	B43_NPHY_RSSI_Y,
+	B43_NPHY_RSSI_Z,
+	B43_NPHY_RSSI_PWRDET,
+	B43_NPHY_RSSI_TSSI_I,
+	B43_NPHY_RSSI_TSSI_Q,
+	B43_NPHY_RSSI_TBD,
+};
+
+static void b43_nphy_stay_in_carrier_search(struct b43_wldev *dev,
+						bool enable);
 static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd,
 					u8 *events, u8 *delays, u8 length);
 static void b43_nphy_force_rf_sequence(struct b43_wldev *dev,
@@ -145,9 +157,153 @@ static void b43_chantab_phy_upload(struct b43_wldev *dev,
 	b43_phy_write(dev, B43_NPHY_BW6, e->phy_bw6);
 }
 
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlEnable */
+static void b43_nphy_tx_power_ctrl(struct b43_wldev *dev, bool enable)
+{
+	struct b43_phy_n *nphy = dev->phy.n;
+	u8 i;
+	u16 tmp;
+
+	if (nphy->hang_avoid)
+		b43_nphy_stay_in_carrier_search(dev, 1);
+
+	nphy->txpwrctrl = enable;
+	if (!enable) {
+		if (dev->phy.rev >= 3)
+			; /* TODO */
+
+		b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6840);
+		for (i = 0; i < 84; i++)
+			b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0);
+
+		b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6C40);
+		for (i = 0; i < 84; i++)
+			b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0);
+
+		tmp = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN;
+		if (dev->phy.rev >= 3)
+			tmp |= B43_NPHY_TXPCTL_CMD_PCTLEN;
+		b43_phy_mask(dev, B43_NPHY_TXPCTL_CMD, ~tmp);
+
+		if (dev->phy.rev >= 3) {
+			b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100);
+			b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100);
+		} else {
+			b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000);
+		}
+
+		if (dev->phy.rev == 2)
+			b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
+				~B43_NPHY_BPHY_CTL3_SCALE, 0x53);
+		else if (dev->phy.rev < 2)
+			b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
+				~B43_NPHY_BPHY_CTL3_SCALE, 0x5A);
+
+		if (dev->phy.rev < 2 && 0)
+			; /* TODO */
+	} else {
+		b43err(dev->wl, "enabling tx pwr ctrl not implemented yet\n");
+	}
+
+	if (nphy->hang_avoid)
+		b43_nphy_stay_in_carrier_search(dev, 0);
+}
+
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrFix */
 static void b43_nphy_tx_power_fix(struct b43_wldev *dev)
 {
-	//TODO
+	struct b43_phy_n *nphy = dev->phy.n;
+	struct ssb_sprom *sprom = &(dev->dev->bus->sprom);
+
+	u8 txpi[2], bbmult, i;
+	u16 tmp, radio_gain, dac_gain;
+	u16 freq = dev->phy.channel_freq;
+	u32 txgain;
+	/* u32 gaintbl; rev3+ */
+
+	if (nphy->hang_avoid)
+		b43_nphy_stay_in_carrier_search(dev, 1);
+
+	if (dev->phy.rev >= 3) {
+		txpi[0] = 40;
+		txpi[1] = 40;
+	} else if (sprom->revision < 4) {
+		txpi[0] = 72;
+		txpi[1] = 72;
+	} else {
+		if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
+			txpi[0] = sprom->txpid2g[0];
+			txpi[1] = sprom->txpid2g[1];
+		} else if (freq >= 4900 && freq < 5100) {
+			txpi[0] = sprom->txpid5gl[0];
+			txpi[1] = sprom->txpid5gl[1];
+		} else if (freq >= 5100 && freq < 5500) {
+			txpi[0] = sprom->txpid5g[0];
+			txpi[1] = sprom->txpid5g[1];
+		} else if (freq >= 5500) {
+			txpi[0] = sprom->txpid5gh[0];
+			txpi[1] = sprom->txpid5gh[1];
+		} else {
+			txpi[0] = 91;
+			txpi[1] = 91;
+		}
+	}
+
+	/*
+	for (i = 0; i < 2; i++) {
+		nphy->txpwrindex[i].index_internal = txpi[i];
+		nphy->txpwrindex[i].index_internal_save = txpi[i];
+	}
+	*/
+
+	for (i = 0; i < 2; i++) {
+		if (dev->phy.rev >= 3) {
+			/* TODO */
+			radio_gain = (txgain >> 16) & 0x1FFFF;
+		} else {
+			txgain = b43_ntab_tx_gain_rev0_1_2[txpi[i]];
+			radio_gain = (txgain >> 16) & 0x1FFF;
+		}
+
+		dac_gain = (txgain >> 8) & 0x3F;
+		bbmult = txgain & 0xFF;
+
+		if (dev->phy.rev >= 3) {
+			if (i == 0)
+				b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100);
+			else
+				b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100);
+		} else {
+			b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000);
+		}
+
+		if (i == 0)
+			b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN1, dac_gain);
+		else
+			b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN2, dac_gain);
+
+		b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D10 + i);
+		b43_phy_write(dev, B43_NPHY_TABLE_DATALO, radio_gain);
+
+		b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x3C57);
+		tmp = b43_phy_read(dev, B43_NPHY_TABLE_DATALO);
+
+		if (i == 0)
+			tmp = (tmp & 0x00FF) | (bbmult << 8);
+		else
+			tmp = (tmp & 0xFF00) | bbmult;
+
+		b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x3C57);
+		b43_phy_write(dev, B43_NPHY_TABLE_DATALO, tmp);
+
+		if (0)
+			; /* TODO */
+	}
+
+	b43_phy_mask(dev, B43_NPHY_BPHY_CTL2, ~B43_NPHY_BPHY_CTL2_LUT);
+
+	if (nphy->hang_avoid)
+		b43_nphy_stay_in_carrier_search(dev, 0);
 }
 
 
@@ -1593,7 +1749,8 @@ static void b43_nphy_bphy_init(struct b43_wldev *dev)
 
 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ScaleOffsetRssi */
 static void b43_nphy_scale_offset_rssi(struct b43_wldev *dev, u16 scale,
-				       s8 offset, u8 core, u8 rail, u8 type)
+					s8 offset, u8 core, u8 rail,
+					enum b43_nphy_rssi_type type)
 {
 	u16 tmp;
 	bool core1or5 = (core == 1) || (core == 5);
@@ -1602,53 +1759,59 @@ static void b43_nphy_scale_offset_rssi(struct b43_wldev *dev, u16 scale,
 	offset = clamp_val(offset, -32, 31);
 	tmp = ((scale & 0x3F) << 8) | (offset & 0x3F);
 
-	if (core1or5 && (rail == 0) && (type == 2))
+	if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_Z))
 		b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, tmp);
-	if (core1or5 && (rail == 1) && (type == 2))
+	if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_Z))
 		b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, tmp);
-	if (core2or5 && (rail == 0) && (type == 2))
+	if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_Z))
 		b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, tmp);
-	if (core2or5 && (rail == 1) && (type == 2))
+	if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_Z))
 		b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, tmp);
-	if (core1or5 && (rail == 0) && (type == 0))
+
+	if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_X))
 		b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, tmp);
-	if (core1or5 && (rail == 1) && (type == 0))
+	if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_X))
 		b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, tmp);
-	if (core2or5 && (rail == 0) && (type == 0))
+	if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_X))
 		b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, tmp);
-	if (core2or5 && (rail == 1) && (type == 0))
+	if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_X))
 		b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, tmp);
-	if (core1or5 && (rail == 0) && (type == 1))
+
+	if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_Y))
 		b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, tmp);
-	if (core1or5 && (rail == 1) && (type == 1))
+	if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_Y))
 		b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, tmp);
-	if (core2or5 && (rail == 0) && (type == 1))
+	if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_Y))
 		b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, tmp);
-	if (core2or5 && (rail == 1) && (type == 1))
+	if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_Y))
 		b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, tmp);
-	if (core1or5 && (rail == 0) && (type == 6))
+
+	if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_TBD))
 		b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TBD, tmp);
-	if (core1or5 && (rail == 1) && (type == 6))
+	if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_TBD))
 		b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TBD, tmp);
-	if (core2or5 && (rail == 0) && (type == 6))
+	if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_TBD))
 		b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TBD, tmp);
-	if (core2or5 && (rail == 1) && (type == 6))
+	if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_TBD))
 		b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TBD, tmp);
-	if (core1or5 && (rail == 0) && (type == 3))
+
+	if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_PWRDET))
 		b43_phy_write(dev, B43_NPHY_RSSIMC_0I_PWRDET, tmp);
-	if (core1or5 && (rail == 1) && (type == 3))
+	if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_PWRDET))
 		b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_PWRDET, tmp);
-	if (core2or5 && (rail == 0) && (type == 3))
+	if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_PWRDET))
 		b43_phy_write(dev, B43_NPHY_RSSIMC_1I_PWRDET, tmp);
-	if (core2or5 && (rail == 1) && (type == 3))
+	if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_PWRDET))
 		b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_PWRDET, tmp);
-	if (core1or5 && (type == 4))
+
+	if (core1or5 && (type == B43_NPHY_RSSI_TSSI_I))
 		b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TSSI, tmp);
-	if (core2or5 && (type == 4))
+	if (core2or5 && (type == B43_NPHY_RSSI_TSSI_I))
 		b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TSSI, tmp);
-	if (core1or5 && (type == 5))
+
+	if (core1or5 && (type == B43_NPHY_RSSI_TSSI_Q))
 		b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TSSI, tmp);
-	if (core2or5 && (type == 5))
+	if (core2or5 && (type == B43_NPHY_RSSI_TSSI_Q))
 		b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TSSI, tmp);
 }
 
@@ -1676,27 +1839,39 @@ static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
 				(type + 1) << 4);
 	}
 
-	/* TODO use some definitions */
 	if (code == 0) {
-		b43_phy_maskset(dev, B43_NPHY_AFECTL_OVER, 0xCFFF, 0);
+		b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x3000);
 		if (type < 3) {
-			b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD, 0xFEC7, 0);
-			b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER, 0xEFDC, 0);
-			b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD, 0xFFFE, 0);
+			b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
+				~(B43_NPHY_RFCTL_CMD_RXEN |
+				  B43_NPHY_RFCTL_CMD_CORESEL));
+			b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
+				~(0x1 << 12 |
+				  0x1 << 5 |
+				  0x1 << 1 |
+				  0x1));
+			b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
+				~B43_NPHY_RFCTL_CMD_START);
 			udelay(20);
-			b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER, 0xFFFE, 0);
+			b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
 		}
 	} else {
-		b43_phy_maskset(dev, B43_NPHY_AFECTL_OVER, 0xCFFF,
-				0x3000);
+		b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x3000);
 		if (type < 3) {
 			b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD,
-					0xFEC7, 0x0180);
-			b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER,
-					0xEFDC, (code << 1 | 0x1021));
-			b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD, 0xFFFE, 0x1);
+				~(B43_NPHY_RFCTL_CMD_RXEN |
+				  B43_NPHY_RFCTL_CMD_CORESEL),
+				(B43_NPHY_RFCTL_CMD_RXEN |
+				 code << B43_NPHY_RFCTL_CMD_CORESEL_SHIFT));
+			b43_phy_set(dev, B43_NPHY_RFCTL_OVER,
+				(0x1 << 12 |
+				  0x1 << 5 |
+				  0x1 << 1 |
+				  0x1));
+			b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
+				B43_NPHY_RFCTL_CMD_START);
 			udelay(20);
-			b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER, 0xFFFE, 0);
+			b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
 		}
 	}
 }
@@ -1918,7 +2093,10 @@ static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
 	u16 class, override;
 	u8 regs_save_radio[2];
 	u16 regs_save_phy[2];
+
 	s8 offset[4];
+	u8 core;
+	u8 rail;
 
 	u16 clip_state[2];
 	u16 clip_off[2] = { 0xFFFF, 0xFFFF };
@@ -2019,12 +2197,11 @@ static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
 		if (results_min[i] == 248)
 			offset[i] = code - 32;
 
-		if (i % 2 == 0)
-			b43_nphy_scale_offset_rssi(dev, 0, offset[i], 1, 0,
-							type);
-		else
-			b43_nphy_scale_offset_rssi(dev, 0, offset[i], 2, 1,
-							type);
+		core = (i / 2) ? 2 : 1;
+		rail = (i % 2) ? 1 : 0;
+
+		b43_nphy_scale_offset_rssi(dev, 0, offset[i], core, rail,
+						type);
 	}
 
 	b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[0]);
@@ -2066,6 +2243,9 @@ static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
 
 	b43_nphy_classifier(dev, 7, class);
 	b43_nphy_write_clip_detection(dev, clip_state);
+	/* Specs don't say about reset here, but it makes wl and b43 dumps
+	   identical, it really seems wl performs this */
+	b43_nphy_reset_cca(dev);
 }
 
 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICalRev3 */
@@ -2083,9 +2263,9 @@ static void b43_nphy_rssi_cal(struct b43_wldev *dev)
 	if (dev->phy.rev >= 3) {
 		b43_nphy_rev3_rssi_cal(dev);
 	} else {
-		b43_nphy_rev2_rssi_cal(dev, 2);
-		b43_nphy_rev2_rssi_cal(dev, 0);
-		b43_nphy_rev2_rssi_cal(dev, 1);
+		b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_Z);
+		b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_X);
+		b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_Y);
 	}
 }
 
@@ -2351,7 +2531,7 @@ static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev)
 	struct nphy_txgains target;
 	const u32 *table = NULL;
 
-	if (nphy->txpwrctrl == 0) {
+	if (!nphy->txpwrctrl) {
 		int i;
 
 		if (nphy->hang_avoid)
@@ -3260,9 +3440,8 @@ int b43_phy_initn(struct b43_wldev *dev)
 		b43_nphy_bphy_init(dev);
 
 	tx_pwr_state = nphy->txpwrctrl;
-	/* TODO N PHY TX power control with argument 0
-		(turning off power control) */
-	/* TODO Fix the TX Power Settings */
+	b43_nphy_tx_power_ctrl(dev, false);
+	b43_nphy_tx_power_fix(dev);
 	/* TODO N PHY TX Power Control Idle TSSI */
 	/* TODO N PHY TX Power Control Setup */
 
@@ -3319,21 +3498,18 @@ int b43_phy_initn(struct b43_wldev *dev)
 					/* TODO N PHY Pre Calibrate TX Gain */
 					target = b43_nphy_get_tx_gains(dev);
 				}
-			}
+				if (!b43_nphy_cal_tx_iq_lo(dev, target, true, false))
+					if (b43_nphy_cal_rx_iq(dev, target, 2, 0) == 0)
+						b43_nphy_save_cal(dev);
+			} else if (nphy->mphase_cal_phase_id == 0)
+				;/* N PHY Periodic Calibration with arg 3 */
+		} else {
+			b43_nphy_restore_cal(dev);
 		}
 	}
 
-	if (!b43_nphy_cal_tx_iq_lo(dev, target, true, false)) {
-		if (b43_nphy_cal_rx_iq(dev, target, 2, 0) == 0)
-			b43_nphy_save_cal(dev);
-		else if (nphy->mphase_cal_phase_id == 0)
-			;/* N PHY Periodic Calibration with argument 3 */
-	} else {
-		b43_nphy_restore_cal(dev);
-	}
-
 	b43_nphy_tx_pwr_ctrl_coef_setup(dev);
-	/* TODO N PHY TX Power Control Enable with argument tx_pwr_state */
+	b43_nphy_tx_power_ctrl(dev, tx_pwr_state);
 	b43_phy_write(dev, B43_NPHY_TXMACIF_HOLDOFF, 0x0015);
 	b43_phy_write(dev, B43_NPHY_TXMACDELAY, 0x0320);
 	if (phy->rev >= 3 && phy->rev <= 6)
@@ -3384,7 +3560,7 @@ static void b43_nphy_channel_setup(struct b43_wldev *dev,
 			b43_phy_mask(dev, B43_PHY_B_TEST, ~0x840);
 	}
 
-	if (nphy->txpwrctrl)
+	if (!nphy->txpwrctrl)
 		b43_nphy_tx_power_fix(dev);
 
 	if (dev->phy.rev < 3)
@@ -3480,6 +3656,7 @@ static void b43_nphy_op_prepare_structs(struct b43_wldev *dev)
 	nphy->gain_boost = true; /* this way we follow wl, assume it is true */
 	nphy->txrx_chain = 2; /* sth different than 0 and 1 for now */
 	nphy->phyrxchain = 3; /* to avoid b43_nphy_set_rx_core_state like wl */
+	nphy->perical = 2; /* avoid additional rssi cal on init (like wl) */
 }
 
 static void b43_nphy_op_free(struct b43_wldev *dev)

drivers/net/wireless/b43/phy_n.h

@@ -782,7 +782,7 @@ struct b43_phy_n {
 	u16 mphase_txcal_numcmds;
 	u16 mphase_txcal_bestcoeffs[11];
 
-	u8 txpwrctrl;
+	bool txpwrctrl;
 	u16 txcal_bbmult;
 	u16 txiqlocal_bestc[11];
 	bool txiqlocal_coeffsvalid;

drivers/net/wireless/iwlwifi/iwl-1000.c

@@ -278,8 +278,6 @@ struct iwl_cfg iwl1000_bgn_cfg = {
 	.fw_name_pre = IWL1000_FW_PRE,
 	.ucode_api_max = IWL1000_UCODE_API_MAX,
 	.ucode_api_min = IWL1000_UCODE_API_MIN,
-	.valid_tx_ant = ANT_A,
-	.valid_rx_ant = ANT_AB,
 	.eeprom_ver = EEPROM_1000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION,
 	.ops = &iwl1000_ops,
@@ -294,8 +292,6 @@ struct iwl_cfg iwl1000_bg_cfg = {
 	.fw_name_pre = IWL1000_FW_PRE,
 	.ucode_api_max = IWL1000_UCODE_API_MAX,
 	.ucode_api_min = IWL1000_UCODE_API_MIN,
-	.valid_tx_ant = ANT_A,
-	.valid_rx_ant = ANT_AB,
 	.eeprom_ver = EEPROM_1000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION,
 	.ops = &iwl1000_ops,
@@ -305,12 +301,10 @@ struct iwl_cfg iwl1000_bg_cfg = {
 };
 
 struct iwl_cfg iwl100_bgn_cfg = {
-	.name = "Intel(R) 100 Series 1x1 BGN",
+	.name = "Intel(R) Centrino(R) Wireless-N 100 BGN",
 	.fw_name_pre = IWL100_FW_PRE,
 	.ucode_api_max = IWL100_UCODE_API_MAX,
 	.ucode_api_min = IWL100_UCODE_API_MIN,
-	.valid_tx_ant = ANT_A,
-	.valid_rx_ant = ANT_A,
 	.eeprom_ver = EEPROM_1000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION,
 	.ops = &iwl1000_ops,
@@ -321,12 +315,10 @@ struct iwl_cfg iwl100_bgn_cfg = {
 };
 
 struct iwl_cfg iwl100_bg_cfg = {
-	.name = "Intel(R) 100 Series 1x1 BG",
+	.name = "Intel(R) Centrino(R) Wireless-N 100 BG",
 	.fw_name_pre = IWL100_FW_PRE,
 	.ucode_api_max = IWL100_UCODE_API_MAX,
 	.ucode_api_min = IWL100_UCODE_API_MIN,
-	.valid_tx_ant = ANT_A,
-	.valid_rx_ant = ANT_A,
 	.eeprom_ver = EEPROM_1000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_1000_TX_POWER_VERSION,
 	.ops = &iwl1000_ops,

drivers/net/wireless/iwlwifi/iwl-5000.c

@@ -527,8 +527,6 @@ struct iwl_cfg iwl5300_agn_cfg = {
 	.fw_name_pre = IWL5000_FW_PRE,
 	.ucode_api_max = IWL5000_UCODE_API_MAX,
 	.ucode_api_min = IWL5000_UCODE_API_MIN,
-	.valid_tx_ant = ANT_ABC,
-	.valid_rx_ant = ANT_ABC,
 	.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
 	.ops = &iwl5000_ops,
@@ -543,8 +541,8 @@ struct iwl_cfg iwl5100_bgn_cfg = {
 	.fw_name_pre = IWL5000_FW_PRE,
 	.ucode_api_max = IWL5000_UCODE_API_MAX,
 	.ucode_api_min = IWL5000_UCODE_API_MIN,
-	.valid_tx_ant = ANT_B,
-	.valid_rx_ant = ANT_AB,
+	.valid_tx_ant = ANT_B,		/* .cfg overwrite */
+	.valid_rx_ant = ANT_AB,		/* .cfg overwrite */
 	.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
 	.ops = &iwl5000_ops,
@@ -559,8 +557,8 @@ struct iwl_cfg iwl5100_abg_cfg = {
 	.fw_name_pre = IWL5000_FW_PRE,
 	.ucode_api_max = IWL5000_UCODE_API_MAX,
 	.ucode_api_min = IWL5000_UCODE_API_MIN,
-	.valid_tx_ant = ANT_B,
-	.valid_rx_ant = ANT_AB,
+	.valid_tx_ant = ANT_B,		/* .cfg overwrite */
+	.valid_rx_ant = ANT_AB,		/* .cfg overwrite */
 	.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
 	.ops = &iwl5000_ops,
@@ -574,8 +572,8 @@ struct iwl_cfg iwl5100_agn_cfg = {
 	.fw_name_pre = IWL5000_FW_PRE,
 	.ucode_api_max = IWL5000_UCODE_API_MAX,
 	.ucode_api_min = IWL5000_UCODE_API_MIN,
-	.valid_tx_ant = ANT_B,
-	.valid_rx_ant = ANT_AB,
+	.valid_tx_ant = ANT_B,		/* .cfg overwrite */
+	.valid_rx_ant = ANT_AB,		/* .cfg overwrite */
 	.eeprom_ver = EEPROM_5000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5000_TX_POWER_VERSION,
 	.ops = &iwl5000_ops,
@@ -590,8 +588,6 @@ struct iwl_cfg iwl5350_agn_cfg = {
 	.fw_name_pre = IWL5000_FW_PRE,
 	.ucode_api_max = IWL5000_UCODE_API_MAX,
 	.ucode_api_min = IWL5000_UCODE_API_MIN,
-	.valid_tx_ant = ANT_ABC,
-	.valid_rx_ant = ANT_ABC,
 	.eeprom_ver = EEPROM_5050_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION,
 	.ops = &iwl5000_ops,
@@ -606,8 +602,6 @@ struct iwl_cfg iwl5150_agn_cfg = {
 	.fw_name_pre = IWL5150_FW_PRE,
 	.ucode_api_max = IWL5150_UCODE_API_MAX,
 	.ucode_api_min = IWL5150_UCODE_API_MIN,
-	.valid_tx_ant = ANT_A,
-	.valid_rx_ant = ANT_AB,
 	.eeprom_ver = EEPROM_5050_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION,
 	.ops = &iwl5150_ops,
@@ -623,8 +617,6 @@ struct iwl_cfg iwl5150_abg_cfg = {
 	.fw_name_pre = IWL5150_FW_PRE,
 	.ucode_api_max = IWL5150_UCODE_API_MAX,
 	.ucode_api_min = IWL5150_UCODE_API_MIN,
-	.valid_tx_ant = ANT_A,
-	.valid_rx_ant = ANT_AB,
 	.eeprom_ver = EEPROM_5050_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_5050_TX_POWER_VERSION,
 	.ops = &iwl5150_ops,

drivers/net/wireless/iwlwifi/iwl-6000.c

@@ -553,12 +553,10 @@ static struct iwl_bt_params iwl6000_bt_params = {
 };
 
 struct iwl_cfg iwl6000g2a_2agn_cfg = {
-	.name = "6000 Series 2x2 AGN Gen2a",
+	.name = "Intel(R) Centrino(R) Advanced-N 6205 AGN",
 	.fw_name_pre = IWL6000G2A_FW_PRE,
 	.ucode_api_max = IWL6000G2_UCODE_API_MAX,
 	.ucode_api_min = IWL6000G2_UCODE_API_MIN,
-	.valid_tx_ant = ANT_AB,
-	.valid_rx_ant = ANT_AB,
 	.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
 	.ops = &iwl6000_ops,
@@ -571,12 +569,10 @@ struct iwl_cfg iwl6000g2a_2agn_cfg = {
 };
 
 struct iwl_cfg iwl6000g2a_2abg_cfg = {
-	.name = "6000 Series 2x2 ABG Gen2a",
+	.name = "Intel(R) Centrino(R) Advanced-N 6205 ABG",
 	.fw_name_pre = IWL6000G2A_FW_PRE,
 	.ucode_api_max = IWL6000G2_UCODE_API_MAX,
 	.ucode_api_min = IWL6000G2_UCODE_API_MIN,
-	.valid_tx_ant = ANT_AB,
-	.valid_rx_ant = ANT_AB,
 	.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
 	.ops = &iwl6000_ops,
@@ -588,12 +584,10 @@ struct iwl_cfg iwl6000g2a_2abg_cfg = {
 };
 
 struct iwl_cfg iwl6000g2a_2bg_cfg = {
-	.name = "6000 Series 2x2 BG Gen2a",
+	.name = "Intel(R) Centrino(R) Advanced-N 6205 BG",
 	.fw_name_pre = IWL6000G2A_FW_PRE,
 	.ucode_api_max = IWL6000G2_UCODE_API_MAX,
 	.ucode_api_min = IWL6000G2_UCODE_API_MIN,
-	.valid_tx_ant = ANT_AB,
-	.valid_rx_ant = ANT_AB,
 	.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
 	.ops = &iwl6000_ops,
@@ -605,12 +599,10 @@ struct iwl_cfg iwl6000g2a_2bg_cfg = {
 };
 
 struct iwl_cfg iwl6000g2b_2agn_cfg = {
-	.name = "6000 Series 2x2 AGN Gen2b",
+	.name = "Intel(R) Centrino(R) Advanced-N 6230 AGN",
 	.fw_name_pre = IWL6000G2B_FW_PRE,
 	.ucode_api_max = IWL6000G2_UCODE_API_MAX,
 	.ucode_api_min = IWL6000G2_UCODE_API_MIN,
-	.valid_tx_ant = ANT_AB,
-	.valid_rx_ant = ANT_AB,
 	.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
 	.ops = &iwl6000g2b_ops,
@@ -627,12 +619,10 @@ struct iwl_cfg iwl6000g2b_2agn_cfg = {
 };
 
 struct iwl_cfg iwl6000g2b_2abg_cfg = {
-	.name = "6000 Series 2x2 ABG Gen2b",
+	.name = "Intel(R) Centrino(R) Advanced-N 6230 ABG",
 	.fw_name_pre = IWL6000G2B_FW_PRE,
 	.ucode_api_max = IWL6000G2_UCODE_API_MAX,
 	.ucode_api_min = IWL6000G2_UCODE_API_MIN,
-	.valid_tx_ant = ANT_AB,
-	.valid_rx_ant = ANT_AB,
 	.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
 	.ops = &iwl6000g2b_ops,
@@ -648,12 +638,10 @@ struct iwl_cfg iwl6000g2b_2abg_cfg = {
 };
 
 struct iwl_cfg iwl6000g2b_2bgn_cfg = {
-	.name = "6000 Series 2x2 BGN Gen2b",
+	.name = "Intel(R) Centrino(R) Advanced-N 6230 BGN",
 	.fw_name_pre = IWL6000G2B_FW_PRE,
 	.ucode_api_max = IWL6000G2_UCODE_API_MAX,
 	.ucode_api_min = IWL6000G2_UCODE_API_MIN,
-	.valid_tx_ant = ANT_AB,
-	.valid_rx_ant = ANT_AB,
 	.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
 	.ops = &iwl6000g2b_ops,
@@ -670,12 +658,10 @@ struct iwl_cfg iwl6000g2b_2bgn_cfg = {
 };
 
 struct iwl_cfg iwl6000g2b_2bg_cfg = {
-	.name = "6000 Series 2x2 BG Gen2b",
+	.name = "Intel(R) Centrino(R) Advanced-N 6230 BG",
 	.fw_name_pre = IWL6000G2B_FW_PRE,
 	.ucode_api_max = IWL6000G2_UCODE_API_MAX,
 	.ucode_api_min = IWL6000G2_UCODE_API_MIN,
-	.valid_tx_ant = ANT_AB,
-	.valid_rx_ant = ANT_AB,
 	.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
 	.ops = &iwl6000g2b_ops,
@@ -691,12 +677,10 @@ struct iwl_cfg iwl6000g2b_2bg_cfg = {
 };
 
 struct iwl_cfg iwl6000g2b_bgn_cfg = {
-	.name = "6000 Series 1x2 BGN Gen2b",
+	.name = "Intel(R) Centrino(R) Wireless-N 1030 BGN",
 	.fw_name_pre = IWL6000G2B_FW_PRE,
 	.ucode_api_max = IWL6000G2_UCODE_API_MAX,
 	.ucode_api_min = IWL6000G2_UCODE_API_MIN,
-	.valid_tx_ant = ANT_A,
-	.valid_rx_ant = ANT_AB,
 	.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
 	.ops = &iwl6000g2b_ops,
@@ -713,12 +697,10 @@ struct iwl_cfg iwl6000g2b_bgn_cfg = {
 };
 
 struct iwl_cfg iwl6000g2b_bg_cfg = {
-	.name = "6000 Series 1x2 BG Gen2b",
+	.name = "Intel(R) Centrino(R) Wireless-N 1030 BG",
 	.fw_name_pre = IWL6000G2B_FW_PRE,
 	.ucode_api_max = IWL6000G2_UCODE_API_MAX,
 	.ucode_api_min = IWL6000G2_UCODE_API_MIN,
-	.valid_tx_ant = ANT_A,
-	.valid_rx_ant = ANT_AB,
 	.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
 	.ops = &iwl6000g2b_ops,
@@ -741,8 +723,8 @@ struct iwl_cfg iwl6000i_2agn_cfg = {
 	.fw_name_pre = IWL6000_FW_PRE,
 	.ucode_api_max = IWL6000_UCODE_API_MAX,
 	.ucode_api_min = IWL6000_UCODE_API_MIN,
-	.valid_tx_ant = ANT_BC,
-	.valid_rx_ant = ANT_BC,
+	.valid_tx_ant = ANT_BC,		/* .cfg overwrite */
+	.valid_rx_ant = ANT_BC,		/* .cfg overwrite */
 	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION,
 	.ops = &iwl6000_ops,
@@ -758,8 +740,8 @@ struct iwl_cfg iwl6000i_2abg_cfg = {
 	.fw_name_pre = IWL6000_FW_PRE,
 	.ucode_api_max = IWL6000_UCODE_API_MAX,
 	.ucode_api_min = IWL6000_UCODE_API_MIN,
-	.valid_tx_ant = ANT_BC,
-	.valid_rx_ant = ANT_BC,
+	.valid_tx_ant = ANT_BC,		/* .cfg overwrite */
+	.valid_rx_ant = ANT_BC,		/* .cfg overwrite */
 	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION,
 	.ops = &iwl6000_ops,
@@ -774,8 +756,8 @@ struct iwl_cfg iwl6000i_2bg_cfg = {
 	.fw_name_pre = IWL6000_FW_PRE,
 	.ucode_api_max = IWL6000_UCODE_API_MAX,
 	.ucode_api_min = IWL6000_UCODE_API_MIN,
-	.valid_tx_ant = ANT_BC,
-	.valid_rx_ant = ANT_BC,
+	.valid_tx_ant = ANT_BC,		/* .cfg overwrite */
+	.valid_rx_ant = ANT_BC,		/* .cfg overwrite */
 	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION,
 	.ops = &iwl6000_ops,
@@ -790,8 +772,6 @@ struct iwl_cfg iwl6050_2agn_cfg = {
 	.fw_name_pre = IWL6050_FW_PRE,
 	.ucode_api_max = IWL6050_UCODE_API_MAX,
 	.ucode_api_min = IWL6050_UCODE_API_MIN,
-	.valid_tx_ant = ANT_AB,
-	.valid_rx_ant = ANT_AB,
 	.ops = &iwl6050_ops,
 	.eeprom_ver = EEPROM_6050_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_6050_TX_POWER_VERSION,
@@ -803,12 +783,10 @@ struct iwl_cfg iwl6050_2agn_cfg = {
 };
 
 struct iwl_cfg iwl6050g2_bgn_cfg = {
-	.name = "6050 Series 1x2 BGN Gen2",
+	.name = "Intel(R) Centrino(R) Wireless-N + WiMAX 6150 BGN",
 	.fw_name_pre = IWL6050_FW_PRE,
 	.ucode_api_max = IWL6050_UCODE_API_MAX,
 	.ucode_api_min = IWL6050_UCODE_API_MIN,
-	.valid_tx_ant = ANT_A,
-	.valid_rx_ant = ANT_AB,
 	.eeprom_ver = EEPROM_6050G2_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_6050G2_TX_POWER_VERSION,
 	.ops = &iwl6050g2_ops,
@@ -824,8 +802,6 @@ struct iwl_cfg iwl6050_2abg_cfg = {
 	.fw_name_pre = IWL6050_FW_PRE,
 	.ucode_api_max = IWL6050_UCODE_API_MAX,
 	.ucode_api_min = IWL6050_UCODE_API_MIN,
-	.valid_tx_ant = ANT_AB,
-	.valid_rx_ant = ANT_AB,
 	.eeprom_ver = EEPROM_6050_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_6050_TX_POWER_VERSION,
 	.ops = &iwl6050_ops,
@@ -840,8 +816,6 @@ struct iwl_cfg iwl6000_3agn_cfg = {
 	.fw_name_pre = IWL6000_FW_PRE,
 	.ucode_api_max = IWL6000_UCODE_API_MAX,
 	.ucode_api_min = IWL6000_UCODE_API_MIN,
-	.valid_tx_ant = ANT_ABC,
-	.valid_rx_ant = ANT_ABC,
 	.eeprom_ver = EEPROM_6000_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_6000_TX_POWER_VERSION,
 	.ops = &iwl6000_ops,
@@ -853,12 +827,10 @@ struct iwl_cfg iwl6000_3agn_cfg = {
 };
 
 struct iwl_cfg iwl130_bgn_cfg = {
-	.name = "Intel(R) 130 Series 1x1 BGN",
+	.name = "Intel(R) Centrino(R) Wireless-N 130 BGN",
 	.fw_name_pre = IWL6000G2B_FW_PRE,
 	.ucode_api_max = IWL6000G2_UCODE_API_MAX,
 	.ucode_api_min = IWL6000G2_UCODE_API_MIN,
-	.valid_tx_ant = ANT_A,
-	.valid_rx_ant = ANT_A,
 	.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
 	.ops = &iwl6000g2b_ops,
@@ -874,12 +846,10 @@ struct iwl_cfg iwl130_bgn_cfg = {
 };
 
 struct iwl_cfg iwl130_bg_cfg = {
-	.name = "Intel(R) 130 Series 1x2 BG",
+	.name = "Intel(R) Centrino(R) Wireless-N 130 BG",
 	.fw_name_pre = IWL6000G2B_FW_PRE,
 	.ucode_api_max = IWL6000G2_UCODE_API_MAX,
 	.ucode_api_min = IWL6000G2_UCODE_API_MIN,
-	.valid_tx_ant = ANT_A,
-	.valid_rx_ant = ANT_A,
 	.eeprom_ver = EEPROM_6000G2_EEPROM_VERSION,
 	.eeprom_calib_ver = EEPROM_6000G2_TX_POWER_VERSION,
 	.ops = &iwl6000g2b_ops,

drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c

@@ -251,6 +251,7 @@ err:
 int iwl_eeprom_check_sku(struct iwl_priv *priv)
 {
 	u16 eeprom_sku;
+	u16 radio_cfg;
 
 	eeprom_sku = iwl_eeprom_query16(priv, EEPROM_SKU_CAP);
 
@@ -266,6 +267,25 @@ int iwl_eeprom_check_sku(struct iwl_priv *priv)
 
 	IWL_INFO(priv, "Device SKU: 0X%x\n", priv->cfg->sku);
 
+	if (!priv->cfg->valid_tx_ant && !priv->cfg->valid_rx_ant) {
+		/* not using .cfg overwrite */
+		radio_cfg = iwl_eeprom_query16(priv, EEPROM_RADIO_CONFIG);
+		priv->cfg->valid_tx_ant = EEPROM_RF_CFG_TX_ANT_MSK(radio_cfg);
+		priv->cfg->valid_rx_ant = EEPROM_RF_CFG_TX_ANT_MSK(radio_cfg);
+		if (!priv->cfg->valid_tx_ant || !priv->cfg->valid_rx_ant) {
+			IWL_ERR(priv, "Invalid chain (0X%x, 0X%x)\n",
+				priv->cfg->valid_tx_ant,
+				priv->cfg->valid_rx_ant);
+			return -EINVAL;
+		}
+		IWL_INFO(priv, "Valid Tx ant: 0X%x, Valid Rx ant: 0X%x\n",
+			 priv->cfg->valid_tx_ant, priv->cfg->valid_rx_ant);
+	}
+	/*
+	 * for some special cases,
+	 * EEPROM did not reflect the correct antenna setting
+	 * so overwrite the valid tx/rx antenna from .cfg
+	 */
 	return 0;
 }
 

drivers/net/wireless/iwlwifi/iwl-agn-lib.c

@@ -1778,7 +1778,7 @@ static const __le32 iwlagn_def_3w_lookup[12] = {
 	cpu_to_le32(0xc0004000),
 	cpu_to_le32(0x00004000),
 	cpu_to_le32(0xf0005000),
-	cpu_to_le32(0xf0004000),
+	cpu_to_le32(0xf0005000),
 };
 
 static const __le32 iwlagn_concurrent_lookup[12] = {
@@ -1814,6 +1814,7 @@ void iwlagn_send_advance_bt_config(struct iwl_priv *priv)
 		bt_cmd.prio_boost = 0;
 	bt_cmd.kill_ack_mask = priv->kill_ack_mask;
 	bt_cmd.kill_cts_mask = priv->kill_cts_mask;
+
 	bt_cmd.valid = priv->bt_valid;
 	bt_cmd.tx_prio_boost = 0;
 	bt_cmd.rx_prio_boost = 0;
@@ -1996,24 +1997,29 @@ static void iwlagn_print_uartmsg(struct iwl_priv *priv,
 			BT_UART_MSG_FRAME7CONNECTABLE_POS);
 }
 
-static void iwlagn_set_kill_ack_msk(struct iwl_priv *priv,
-				     struct iwl_bt_uart_msg *uart_msg)
+static void iwlagn_set_kill_msk(struct iwl_priv *priv,
+				struct iwl_bt_uart_msg *uart_msg)
 {
-	u8 kill_ack_msk;
+	u8 kill_msk;
 	static const __le32 bt_kill_ack_msg[2] = {
-			cpu_to_le32(0xFFFFFFF), cpu_to_le32(0xFFFFFC00) };
-
-	kill_ack_msk = (((BT_UART_MSG_FRAME3A2DP_MSK |
-			BT_UART_MSG_FRAME3SNIFF_MSK |
-			BT_UART_MSG_FRAME3SCOESCO_MSK) &
-			uart_msg->frame3) == 0) ? 1 : 0;
-	if (priv->kill_ack_mask != bt_kill_ack_msg[kill_ack_msk]) {
+		IWLAGN_BT_KILL_ACK_MASK_DEFAULT,
+		IWLAGN_BT_KILL_ACK_CTS_MASK_SCO };
+	static const __le32 bt_kill_cts_msg[2] = {
+		IWLAGN_BT_KILL_CTS_MASK_DEFAULT,
+		IWLAGN_BT_KILL_ACK_CTS_MASK_SCO };
+
+	kill_msk = (BT_UART_MSG_FRAME3SCOESCO_MSK & uart_msg->frame3)
+		? 1 : 0;
+	if (priv->kill_ack_mask != bt_kill_ack_msg[kill_msk] ||
+	    priv->kill_cts_mask != bt_kill_cts_msg[kill_msk]) {
 		priv->bt_valid |= IWLAGN_BT_VALID_KILL_ACK_MASK;
-		priv->kill_ack_mask = bt_kill_ack_msg[kill_ack_msk];
+		priv->kill_ack_mask = bt_kill_ack_msg[kill_msk];
+		priv->bt_valid |= IWLAGN_BT_VALID_KILL_CTS_MASK;
+		priv->kill_cts_mask = bt_kill_cts_msg[kill_msk];
+
 		/* schedule to send runtime bt_config */
 		queue_work(priv->workqueue, &priv->bt_runtime_config);
 	}
-
 }
 
 void iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
@@ -2064,7 +2070,7 @@ void iwlagn_bt_coex_profile_notif(struct iwl_priv *priv,
 		}
 	}
 
-	iwlagn_set_kill_ack_msk(priv, uart_msg);
+	iwlagn_set_kill_msk(priv, uart_msg);
 
 	/* FIXME: based on notification, adjust the prio_boost */
 

drivers/net/wireless/iwlwifi/iwl-agn-tx.c

@@ -67,8 +67,14 @@
  */
 
 static const u8 tid_to_ac[] = {
-	/* this matches the mac80211 numbers */
-	2, 3, 3, 2, 1, 1, 0, 0
+	IEEE80211_AC_BE,
+	IEEE80211_AC_BK,
+	IEEE80211_AC_BK,
+	IEEE80211_AC_BE,
+	IEEE80211_AC_VI,
+	IEEE80211_AC_VI,
+	IEEE80211_AC_VO,
+	IEEE80211_AC_VO
 };
 
 static inline int get_ac_from_tid(u16 tid)
@@ -531,6 +537,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	u8 tid = 0;
 	u8 *qc = NULL;
 	unsigned long flags;
+	bool is_agg = false;
 
 	if (info->control.vif)
 		ctx = iwl_rxon_ctx_from_vif(info->control.vif);
@@ -567,8 +574,8 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	if (sta)
 		sta_priv = (void *)sta->drv_priv;
 
-	if (sta_priv && sta_priv->asleep) {
-		WARN_ON(!(info->flags & IEEE80211_TX_CTL_PSPOLL_RESPONSE));
+	if (sta_priv && sta_priv->asleep &&
+	    (info->flags & IEEE80211_TX_CTL_PSPOLL_RESPONSE)) {
 		/*
 		 * This sends an asynchronous command to the device,
 		 * but we can rely on it being processed before the
@@ -616,6 +623,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 		if (info->flags & IEEE80211_TX_CTL_AMPDU &&
 		    priv->stations[sta_id].tid[tid].agg.state == IWL_AGG_ON) {
 			txq_id = priv->stations[sta_id].tid[tid].agg.txq_id;
+			is_agg = true;
 		}
 	}
 
@@ -763,8 +771,14 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
 	 * whether or not we should update the write pointer.
 	 */
 
-	/* avoid atomic ops if it isn't an associated client */
-	if (sta_priv && sta_priv->client)
+	/*
+	 * Avoid atomic ops if it isn't an associated client.
+	 * Also, if this is a packet for aggregation, don't
+	 * increase the counter because the ucode will stop
+	 * aggregation queues when their respective station
+	 * goes to sleep.
+	 */
+	if (sta_priv && sta_priv->client && !is_agg)
 		atomic_inc(&sta_priv->pending_frames);
 
 	if ((iwl_queue_space(q) < q->high_mark) && priv->mac80211_registered) {
@@ -1143,14 +1157,15 @@ int iwlagn_txq_check_empty(struct iwl_priv *priv,
 	return 0;
 }
 
-static void iwlagn_tx_status(struct iwl_priv *priv, struct iwl_tx_info *tx_info)
+static void iwlagn_non_agg_tx_status(struct iwl_priv *priv,
+				     struct iwl_rxon_context *ctx,
+				     const u8 *addr1)
 {
-	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx_info->skb->data;
 	struct ieee80211_sta *sta;
 	struct iwl_station_priv *sta_priv;
 
 	rcu_read_lock();
-	sta = ieee80211_find_sta(tx_info->ctx->vif, hdr->addr1);
+	sta = ieee80211_find_sta(ctx->vif, addr1);
 	if (sta) {
 		sta_priv = (void *)sta->drv_priv;
 		/* avoid atomic ops if this isn't a client */
@@ -1159,6 +1174,15 @@ static void iwlagn_tx_status(struct iwl_priv *priv, struct iwl_tx_info *tx_info)
 			ieee80211_sta_block_awake(priv->hw, sta, false);
 	}
 	rcu_read_unlock();
+}
+
+static void iwlagn_tx_status(struct iwl_priv *priv, struct iwl_tx_info *tx_info,
+			     bool is_agg)
+{
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) tx_info->skb->data;
+
+	if (!is_agg)
+		iwlagn_non_agg_tx_status(priv, tx_info->ctx, hdr->addr1);
 
 	ieee80211_tx_status_irqsafe(priv->hw, tx_info->skb);
 }
@@ -1183,7 +1207,8 @@ int iwlagn_tx_queue_reclaim(struct iwl_priv *priv, int txq_id, int index)
 	     q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) {
 
 		tx_info = &txq->txb[txq->q.read_ptr];
-		iwlagn_tx_status(priv, tx_info);
+		iwlagn_tx_status(priv, tx_info,
+				 txq_id >= IWLAGN_FIRST_AMPDU_QUEUE);
 
 		hdr = (struct ieee80211_hdr *)tx_info->skb->data;
 		if (hdr && ieee80211_is_data_qos(hdr->frame_control))

drivers/net/wireless/iwlwifi/iwl-agn-ucode.c

@@ -47,10 +47,10 @@ struct queue_to_fifo_ac {
 };
 
 static const struct queue_to_fifo_ac iwlagn_default_queue_to_tx_fifo[] = {
-	{ IWL_TX_FIFO_VO, 0, },
-	{ IWL_TX_FIFO_VI, 1, },
-	{ IWL_TX_FIFO_BE, 2, },
-	{ IWL_TX_FIFO_BK, 3, },
+	{ IWL_TX_FIFO_VO, IEEE80211_AC_VO, },
+	{ IWL_TX_FIFO_VI, IEEE80211_AC_VI, },
+	{ IWL_TX_FIFO_BE, IEEE80211_AC_BE, },
+	{ IWL_TX_FIFO_BK, IEEE80211_AC_BK, },
 	{ IWLAGN_CMD_FIFO_NUM, IWL_AC_UNSET, },
 	{ IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, },
 	{ IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, },
@@ -60,14 +60,14 @@ static const struct queue_to_fifo_ac iwlagn_default_queue_to_tx_fifo[] = {
 };
 
 static const struct queue_to_fifo_ac iwlagn_ipan_queue_to_tx_fifo[] = {
-	{ IWL_TX_FIFO_VO, 0, },
-	{ IWL_TX_FIFO_VI, 1, },
-	{ IWL_TX_FIFO_BE, 2, },
-	{ IWL_TX_FIFO_BK, 3, },
-	{ IWL_TX_FIFO_BK_IPAN, 3, },
-	{ IWL_TX_FIFO_BE_IPAN, 2, },
-	{ IWL_TX_FIFO_VI_IPAN, 1, },
-	{ IWL_TX_FIFO_VO_IPAN, 0, },
+	{ IWL_TX_FIFO_VO, IEEE80211_AC_VO, },
+	{ IWL_TX_FIFO_VI, IEEE80211_AC_VI, },
+	{ IWL_TX_FIFO_BE, IEEE80211_AC_BE, },
+	{ IWL_TX_FIFO_BK, IEEE80211_AC_BK, },
+	{ IWL_TX_FIFO_BK_IPAN, IEEE80211_AC_BK, },
+	{ IWL_TX_FIFO_BE_IPAN, IEEE80211_AC_BE, },
+	{ IWL_TX_FIFO_VI_IPAN, IEEE80211_AC_VI, },
+	{ IWL_TX_FIFO_VO_IPAN, IEEE80211_AC_VO, },
 	{ IWL_TX_FIFO_BE_IPAN, 2, },
 	{ IWLAGN_CMD_FIFO_NUM, IWL_AC_UNSET, },
 };

drivers/net/wireless/iwlwifi/iwl-agn.c

@@ -3175,7 +3175,8 @@ static int iwl_mac_setup_register(struct iwl_priv *priv,
 	hw->flags = IEEE80211_HW_SIGNAL_DBM |
 		    IEEE80211_HW_AMPDU_AGGREGATION |
 		    IEEE80211_HW_NEED_DTIM_PERIOD |
-		    IEEE80211_HW_SPECTRUM_MGMT;
+		    IEEE80211_HW_SPECTRUM_MGMT |
+		    IEEE80211_HW_REPORTS_TX_ACK_STATUS;
 
 	if (!priv->cfg->base_params->broken_powersave)
 		hw->flags |= IEEE80211_HW_SUPPORTS_PS |

drivers/net/wireless/iwlwifi/iwl-commands.h

@@ -2453,6 +2453,7 @@ struct iwl_bt_cmd {
 
 #define IWLAGN_BT_KILL_ACK_MASK_DEFAULT	cpu_to_le32(0xffff0000)
 #define IWLAGN_BT_KILL_CTS_MASK_DEFAULT	cpu_to_le32(0xffff0000)
+#define IWLAGN_BT_KILL_ACK_CTS_MASK_SCO	cpu_to_le32(0xffffffff)
 
 #define IWLAGN_BT3_PRIO_SAMPLE_DEFAULT	2
 

drivers/net/wireless/iwlwifi/iwl-eeprom.h

@@ -410,7 +410,6 @@ struct iwl_eeprom_calib_info {
 #define EEPROM_OEM_MODE                     (2*0x46)	/* 2  bytes */
 #define EEPROM_WOWLAN_MODE                  (2*0x47)	/* 2  bytes */
 #define EEPROM_RADIO_CONFIG                 (2*0x48)	/* 2  bytes */
-#define EEPROM_3945_M_VERSION               (2*0x4A)	/* 1  bytes */
 #define EEPROM_NUM_MAC_ADDRESS              (2*0x4C)	/* 2  bytes */
 
 /* The following masks are to be applied on EEPROM_RADIO_CONFIG */

drivers/net/wireless/p54/p54usb.c

@@ -183,7 +183,7 @@ static void p54u_rx_cb(struct urb *urb)
 static void p54u_tx_cb(struct urb *urb)
 {
 	struct sk_buff *skb = urb->context;
-	struct ieee80211_hw *dev = (struct ieee80211_hw *)
+	struct ieee80211_hw *dev =
 		usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
 
 	p54_free_skb(dev, skb);

drivers/net/wireless/ray_cs.c

@@ -1776,11 +1776,8 @@ static void ray_update_multi_list(struct net_device *dev, int all)
 		/* Copy the kernel's list of MC addresses to card */
 		netdev_for_each_mc_addr(ha, dev) {
 			memcpy_toio(p, ha->addr, ETH_ALEN);
-			dev_dbg(&link->dev,
-			      "ray_update_multi add addr %02x%02x%02x%02x%02x%02x\n",
-			      ha->addr[0], ha->addr[1],
-			      ha->addr[2], ha->addr[3],
-			      ha->addr[4], ha->addr[5]);
+			dev_dbg(&link->dev, "ray_update_multi add addr %pm\n",
+				ha->addr);
 			p += ETH_ALEN;
 			i++;
 		}
@@ -2015,11 +2012,8 @@ static irqreturn_t ray_interrupt(int irq, void *dev_id)
 				memcpy_fromio(&local->bss_id,
 					      prcs->var.rejoin_net_complete.
 					      bssid, ADDRLEN);
-				dev_dbg(&link->dev,
-				      "ray_cs new BSSID = %02x%02x%02x%02x%02x%02x\n",
-				      local->bss_id[0], local->bss_id[1],
-				      local->bss_id[2], local->bss_id[3],
-				      local->bss_id[4], local->bss_id[5]);
+				dev_dbg(&link->dev, "ray_cs new BSSID = %pm\n",
+					local->bss_id);
 				if (!sniffer)
 					authenticate(local);
 			}

drivers/net/wireless/rt2x00/rt2800pci.c

@@ -911,6 +911,7 @@ static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev)
 	__set_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags);
 	__set_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags);
 	__set_bit(DRIVER_REQUIRE_TXSTATUS_FIFO, &rt2x00dev->flags);
+	__set_bit(DRIVER_REQUIRE_TASKLET_CONTEXT, &rt2x00dev->flags);
 	if (!modparam_nohwcrypt)
 		__set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
 	__set_bit(DRIVER_SUPPORT_LINK_TUNING, &rt2x00dev->flags);

drivers/net/wireless/rt2x00/rt2x00.h

@@ -664,6 +664,7 @@ enum rt2x00_flags {
 	DRIVER_REQUIRE_COPY_IV,
 	DRIVER_REQUIRE_L2PAD,
 	DRIVER_REQUIRE_TXSTATUS_FIFO,
+	DRIVER_REQUIRE_TASKLET_CONTEXT,
 
 	/*
 	 * Driver features

drivers/net/wireless/rt2x00/rt2x00dev.c

@@ -379,9 +379,12 @@ void rt2x00lib_txdone(struct queue_entry *entry,
 	 * through a mac80211 library call (RTS/CTS) then we should not
 	 * send the status report back.
 	 */
-	if (!(skbdesc_flags & SKBDESC_NOT_MAC80211))
-		ieee80211_tx_status(rt2x00dev->hw, entry->skb);
-	else
+	if (!(skbdesc_flags & SKBDESC_NOT_MAC80211)) {
+		if (test_bit(DRIVER_REQUIRE_TASKLET_CONTEXT, &rt2x00dev->flags))
+			ieee80211_tx_status(rt2x00dev->hw, entry->skb);
+		else
+			ieee80211_tx_status_ni(rt2x00dev->hw, entry->skb);
+	} else
 		dev_kfree_skb_any(entry->skb);
 
 	/*

drivers/net/wireless/zd1201.c

@@ -1830,7 +1830,7 @@ err_zd:
 
 static void zd1201_disconnect(struct usb_interface *interface)
 {
-	struct zd1201 *zd=(struct zd1201 *)usb_get_intfdata(interface);
+	struct zd1201 *zd = usb_get_intfdata(interface);
 	struct hlist_node *node, *node2;
 	struct zd1201_frag *frag;
 

drivers/ssb/main.c

@@ -383,6 +383,35 @@ static int ssb_device_uevent(struct device *dev, struct kobj_uevent_env *env)
 			     ssb_dev->id.revision);
 }
 
+#define ssb_config_attr(attrib, field, format_string) \
+static ssize_t \
+attrib##_show(struct device *dev, struct device_attribute *attr, char *buf) \
+{ \
+	return sprintf(buf, format_string, dev_to_ssb_dev(dev)->field); \
+}
+
+ssb_config_attr(core_num, core_index, "%u\n")
+ssb_config_attr(coreid, id.coreid, "0x%04x\n")
+ssb_config_attr(vendor, id.vendor, "0x%04x\n")
+ssb_config_attr(revision, id.revision, "%u\n")
+ssb_config_attr(irq, irq, "%u\n")
+static ssize_t
+name_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	return sprintf(buf, "%s\n",
+		       ssb_core_name(dev_to_ssb_dev(dev)->id.coreid));
+}
+
+static struct device_attribute ssb_device_attrs[] = {
+	__ATTR_RO(name),
+	__ATTR_RO(core_num),
+	__ATTR_RO(coreid),
+	__ATTR_RO(vendor),
+	__ATTR_RO(revision),
+	__ATTR_RO(irq),
+	__ATTR_NULL,
+};
+
 static struct bus_type ssb_bustype = {
 	.name		= "ssb",
 	.match		= ssb_bus_match,
@@ -392,6 +421,7 @@ static struct bus_type ssb_bustype = {
 	.suspend	= ssb_device_suspend,
 	.resume		= ssb_device_resume,
 	.uevent		= ssb_device_uevent,
+	.dev_attrs	= ssb_device_attrs,
 };
 
 static void ssb_buses_lock(void)

drivers/ssb/pci.c

@@ -406,6 +406,46 @@ static void sprom_extract_r123(struct ssb_sprom *out, const u16 *in)
 	out->antenna_gain.ghz5.a3 = gain;
 }
 
+/* Revs 4 5 and 8 have partially shared layout */
+static void sprom_extract_r458(struct ssb_sprom *out, const u16 *in)
+{
+	SPEX(txpid2g[0], SSB_SPROM4_TXPID2G01,
+	     SSB_SPROM4_TXPID2G0, SSB_SPROM4_TXPID2G0_SHIFT);
+	SPEX(txpid2g[1], SSB_SPROM4_TXPID2G01,
+	     SSB_SPROM4_TXPID2G1, SSB_SPROM4_TXPID2G1_SHIFT);
+	SPEX(txpid2g[2], SSB_SPROM4_TXPID2G23,
+	     SSB_SPROM4_TXPID2G2, SSB_SPROM4_TXPID2G2_SHIFT);
+	SPEX(txpid2g[3], SSB_SPROM4_TXPID2G23,
+	     SSB_SPROM4_TXPID2G3, SSB_SPROM4_TXPID2G3_SHIFT);
+
+	SPEX(txpid5gl[0], SSB_SPROM4_TXPID5GL01,
+	     SSB_SPROM4_TXPID5GL0, SSB_SPROM4_TXPID5GL0_SHIFT);
+	SPEX(txpid5gl[1], SSB_SPROM4_TXPID5GL01,
+	     SSB_SPROM4_TXPID5GL1, SSB_SPROM4_TXPID5GL1_SHIFT);
+	SPEX(txpid5gl[2], SSB_SPROM4_TXPID5GL23,
+	     SSB_SPROM4_TXPID5GL2, SSB_SPROM4_TXPID5GL2_SHIFT);
+	SPEX(txpid5gl[3], SSB_SPROM4_TXPID5GL23,
+	     SSB_SPROM4_TXPID5GL3, SSB_SPROM4_TXPID5GL3_SHIFT);
+
+	SPEX(txpid5g[0], SSB_SPROM4_TXPID5G01,
+	     SSB_SPROM4_TXPID5G0, SSB_SPROM4_TXPID5G0_SHIFT);
+	SPEX(txpid5g[1], SSB_SPROM4_TXPID5G01,
+	     SSB_SPROM4_TXPID5G1, SSB_SPROM4_TXPID5G1_SHIFT);
+	SPEX(txpid5g[2], SSB_SPROM4_TXPID5G23,
+	     SSB_SPROM4_TXPID5G2, SSB_SPROM4_TXPID5G2_SHIFT);
+	SPEX(txpid5g[3], SSB_SPROM4_TXPID5G23,
+	     SSB_SPROM4_TXPID5G3, SSB_SPROM4_TXPID5G3_SHIFT);
+
+	SPEX(txpid5gh[0], SSB_SPROM4_TXPID5GH01,
+	     SSB_SPROM4_TXPID5GH0, SSB_SPROM4_TXPID5GH0_SHIFT);
+	SPEX(txpid5gh[1], SSB_SPROM4_TXPID5GH01,
+	     SSB_SPROM4_TXPID5GH1, SSB_SPROM4_TXPID5GH1_SHIFT);
+	SPEX(txpid5gh[2], SSB_SPROM4_TXPID5GH23,
+	     SSB_SPROM4_TXPID5GH2, SSB_SPROM4_TXPID5GH2_SHIFT);
+	SPEX(txpid5gh[3], SSB_SPROM4_TXPID5GH23,
+	     SSB_SPROM4_TXPID5GH3, SSB_SPROM4_TXPID5GH3_SHIFT);
+}
+
 static void sprom_extract_r45(struct ssb_sprom *out, const u16 *in)
 {
 	int i;
@@ -471,6 +511,8 @@ static void sprom_extract_r45(struct ssb_sprom *out, const u16 *in)
 	memcpy(&out->antenna_gain.ghz5, &out->antenna_gain.ghz24,
 	       sizeof(out->antenna_gain.ghz5));
 
+	sprom_extract_r458(out, in);
+
 	/* TODO - get remaining rev 4 stuff needed */
 }
 
@@ -561,6 +603,8 @@ static void sprom_extract_r8(struct ssb_sprom *out, const u16 *in)
 	memcpy(&out->antenna_gain.ghz5, &out->antenna_gain.ghz24,
 	       sizeof(out->antenna_gain.ghz5));
 
+	sprom_extract_r458(out, in);
+
 	/* TODO - get remaining rev 8 stuff needed */
 }
 

include/linux/nl80211.h

@@ -358,11 +358,16 @@
  *	user space application). %NL80211_ATTR_FRAME is used to specify the
  *	frame contents (including header). %NL80211_ATTR_WIPHY_FREQ (and
  *	optionally %NL80211_ATTR_WIPHY_CHANNEL_TYPE) is used to indicate on
- *	which channel the frame is to be transmitted or was received. This
- *	channel has to be the current channel (remain-on-channel or the
- *	operational channel). When called, this operation returns a cookie
- *	(%NL80211_ATTR_COOKIE) that will be included with the TX status event
- *	pertaining to the TX request.
+ *	which channel the frame is to be transmitted or was received. If this
+ *	channel is not the current channel (remain-on-channel or the
+ *	operational channel) the device will switch to the given channel and
+ *	transmit the frame, optionally waiting for a response for the time
+ *	specified using %NL80211_ATTR_DURATION. When called, this operation
+ *	returns a cookie (%NL80211_ATTR_COOKIE) that will be included with the
+ *	TX status event pertaining to the TX request.
+ * @NL80211_CMD_FRAME_WAIT_CANCEL: When an off-channel TX was requested, this
+ *	command may be used with the corresponding cookie to cancel the wait
+ *	time if it is known that it is no longer necessary.
  * @NL80211_CMD_ACTION: Alias for @NL80211_CMD_FRAME for backward compatibility.
  * @NL80211_CMD_FRAME_TX_STATUS: Report TX status of a management frame
  *	transmitted with %NL80211_CMD_FRAME. %NL80211_ATTR_COOKIE identifies
@@ -493,6 +498,8 @@ enum nl80211_commands {
 	NL80211_CMD_SET_CHANNEL,
 	NL80211_CMD_SET_WDS_PEER,
 
+	NL80211_CMD_FRAME_WAIT_CANCEL,
+
 	/* add new commands above here */
 
 	/* used to define NL80211_CMD_MAX below */
@@ -828,6 +835,12 @@ enum nl80211_commands {
  *
  * @NL80211_ATTR_MCAST_RATE: Multicast tx rate (in 100 kbps) for IBSS
  *
+ * @NL80211_ATTR_OFFCHANNEL_TX_OK: For management frame TX, the frame may be
+ *	transmitted on another channel when the channel given doesn't match
+ *	the current channel. If the current channel doesn't match and this
+ *	flag isn't set, the frame will be rejected. This is also used as an
+ *	nl80211 capability flag.
+ *
  * @NL80211_ATTR_MAX: highest attribute number currently defined
  * @__NL80211_ATTR_AFTER_LAST: internal use
  */
@@ -1002,6 +1015,8 @@ enum nl80211_attrs {
 
 	NL80211_ATTR_MCAST_RATE,
 
+	NL80211_ATTR_OFFCHANNEL_TX_OK,
+
 	/* add attributes here, update the policy in nl80211.c */
 
 	__NL80211_ATTR_AFTER_LAST,

include/linux/ssb/ssb.h

@@ -55,6 +55,10 @@ struct ssb_sprom {
 	u8 tri5gl;		/* 5.2GHz TX isolation */
 	u8 tri5g;		/* 5.3GHz TX isolation */
 	u8 tri5gh;		/* 5.8GHz TX isolation */
+	u8 txpid2g[4];		/* 2GHz TX power index */
+	u8 txpid5gl[4];		/* 4.9 - 5.1GHz TX power index */
+	u8 txpid5g[4];		/* 5.1 - 5.5GHz TX power index */
+	u8 txpid5gh[4];		/* 5.5 - ...GHz TX power index */
 	u8 rxpo2g;		/* 2GHz RX power offset */
 	u8 rxpo5g;		/* 5GHz RX power offset */
 	u8 rssisav2g;		/* 2GHz RSSI params */

include/linux/ssb/ssb_regs.h

@@ -299,6 +299,46 @@
 #define  SSB_SPROM4_AGAIN2_SHIFT	0
 #define  SSB_SPROM4_AGAIN3		0xFF00	/* Antenna 3 */
 #define  SSB_SPROM4_AGAIN3_SHIFT	8
+#define SSB_SPROM4_TXPID2G01		0x0062 	/* TX Power Index 2GHz */
+#define  SSB_SPROM4_TXPID2G0		0x00FF
+#define  SSB_SPROM4_TXPID2G0_SHIFT	0
+#define  SSB_SPROM4_TXPID2G1		0xFF00
+#define  SSB_SPROM4_TXPID2G1_SHIFT	8
+#define SSB_SPROM4_TXPID2G23		0x0064 	/* TX Power Index 2GHz */
+#define  SSB_SPROM4_TXPID2G2		0x00FF
+#define  SSB_SPROM4_TXPID2G2_SHIFT	0
+#define  SSB_SPROM4_TXPID2G3		0xFF00
+#define  SSB_SPROM4_TXPID2G3_SHIFT	8
+#define SSB_SPROM4_TXPID5G01		0x0066 	/* TX Power Index 5GHz middle subband */
+#define  SSB_SPROM4_TXPID5G0		0x00FF
+#define  SSB_SPROM4_TXPID5G0_SHIFT	0
+#define  SSB_SPROM4_TXPID5G1		0xFF00
+#define  SSB_SPROM4_TXPID5G1_SHIFT	8
+#define SSB_SPROM4_TXPID5G23		0x0068 	/* TX Power Index 5GHz middle subband */
+#define  SSB_SPROM4_TXPID5G2		0x00FF
+#define  SSB_SPROM4_TXPID5G2_SHIFT	0
+#define  SSB_SPROM4_TXPID5G3		0xFF00
+#define  SSB_SPROM4_TXPID5G3_SHIFT	8
+#define SSB_SPROM4_TXPID5GL01		0x006A 	/* TX Power Index 5GHz low subband */
+#define  SSB_SPROM4_TXPID5GL0		0x00FF
+#define  SSB_SPROM4_TXPID5GL0_SHIFT	0
+#define  SSB_SPROM4_TXPID5GL1		0xFF00
+#define  SSB_SPROM4_TXPID5GL1_SHIFT	8
+#define SSB_SPROM4_TXPID5GL23		0x006C 	/* TX Power Index 5GHz low subband */
+#define  SSB_SPROM4_TXPID5GL2		0x00FF
+#define  SSB_SPROM4_TXPID5GL2_SHIFT	0
+#define  SSB_SPROM4_TXPID5GL3		0xFF00
+#define  SSB_SPROM4_TXPID5GL3_SHIFT	8
+#define SSB_SPROM4_TXPID5GH01		0x006E 	/* TX Power Index 5GHz high subband */
+#define  SSB_SPROM4_TXPID5GH0		0x00FF
+#define  SSB_SPROM4_TXPID5GH0_SHIFT	0
+#define  SSB_SPROM4_TXPID5GH1		0xFF00
+#define  SSB_SPROM4_TXPID5GH1_SHIFT	8
+#define SSB_SPROM4_TXPID5GH23		0x0070 	/* TX Power Index 5GHz high subband */
+#define  SSB_SPROM4_TXPID5GH2		0x00FF
+#define  SSB_SPROM4_TXPID5GH2_SHIFT	0
+#define  SSB_SPROM4_TXPID5GH3		0xFF00
+#define  SSB_SPROM4_TXPID5GH3_SHIFT	8
 #define SSB_SPROM4_MAXP_BG		0x0080  /* Max Power BG in path 1 */
 #define  SSB_SPROM4_MAXP_BG_MASK	0x00FF  /* Mask for Max Power BG */
 #define  SSB_SPROM4_ITSSI_BG		0xFF00	/* Mask for path 1 itssi_bg */

include/net/bluetooth/hci.h

@@ -1,4 +1,4 @@
-/* 
+/*
    BlueZ - Bluetooth protocol stack for Linux
    Copyright (C) 2000-2001 Qualcomm Incorporated
 
@@ -12,13 +12,13 @@
    OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
    IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
-   CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 
-   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 
-   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 
+   CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
+   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
-   ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 
-   COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 
+   ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
+   COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
    SOFTWARE IS DISCLAIMED.
 */
 
@@ -489,7 +489,7 @@ struct hci_rp_read_local_name {
 
 #define HCI_OP_WRITE_PG_TIMEOUT		0x0c18
 
-#define HCI_OP_WRITE_SCAN_ENABLE 	0x0c1a
+#define HCI_OP_WRITE_SCAN_ENABLE	0x0c1a
 	#define SCAN_DISABLED		0x00
 	#define SCAN_INQUIRY		0x01
 	#define SCAN_PAGE		0x02
@@ -874,7 +874,7 @@ struct hci_ev_si_security {
 
 struct hci_command_hdr {
 	__le16	opcode;		/* OCF & OGF */
-	__u8 	plen;
+	__u8	plen;
 } __packed;
 
 struct hci_event_hdr {

include/net/bluetooth/hci_core.h

@@ -44,15 +44,15 @@ struct inquiry_data {
 };
 
 struct inquiry_entry {
-	struct inquiry_entry 	*next;
+	struct inquiry_entry	*next;
 	__u32			timestamp;
 	struct inquiry_data	data;
 };
 
 struct inquiry_cache {
-	spinlock_t 		lock;
+	spinlock_t		lock;
 	__u32			timestamp;
-	struct inquiry_entry 	*list;
+	struct inquiry_entry	*list;
 };
 
 struct hci_conn_hash {
@@ -141,7 +141,7 @@ struct hci_dev {
 	void			*driver_data;
 	void			*core_data;
 
-	atomic_t 		promisc;
+	atomic_t		promisc;
 
 	struct dentry		*debugfs;
 
@@ -150,7 +150,7 @@ struct hci_dev {
 
 	struct rfkill		*rfkill;
 
-	struct module 		*owner;
+	struct module		*owner;
 
 	int (*open)(struct hci_dev *hdev);
 	int (*close)(struct hci_dev *hdev);
@@ -215,8 +215,8 @@ extern rwlock_t hci_dev_list_lock;
 extern rwlock_t hci_cb_list_lock;
 
 /* ----- Inquiry cache ----- */
-#define INQUIRY_CACHE_AGE_MAX   (HZ*30)   // 30 seconds
-#define INQUIRY_ENTRY_AGE_MAX   (HZ*60)   // 60 seconds
+#define INQUIRY_CACHE_AGE_MAX   (HZ*30)   /* 30 seconds */
+#define INQUIRY_ENTRY_AGE_MAX   (HZ*60)   /* 60 seconds */
 
 #define inquiry_cache_lock(c)		spin_lock(&c->lock)
 #define inquiry_cache_unlock(c)		spin_unlock(&c->lock)

include/net/bluetooth/l2cap.h

@@ -1,4 +1,4 @@
-/* 
+/*
    BlueZ - Bluetooth protocol stack for Linux
    Copyright (C) 2000-2001 Qualcomm Incorporated
    Copyright (C) 2009-2010 Gustavo F. Padovan <gustavo@padovan.org>
@@ -14,13 +14,13 @@
    OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
    IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
-   CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 
-   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 
-   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 
+   CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
+   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
-   ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 
-   COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 
+   ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
+   COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
    SOFTWARE IS DISCLAIMED.
 */
 
@@ -417,11 +417,11 @@ static inline int l2cap_tx_window_full(struct sock *sk)
 	return sub == pi->remote_tx_win;
 }
 
-#define __get_txseq(ctrl) ((ctrl) & L2CAP_CTRL_TXSEQ) >> 1
-#define __get_reqseq(ctrl) ((ctrl) & L2CAP_CTRL_REQSEQ) >> 8
-#define __is_iframe(ctrl) !((ctrl) & L2CAP_CTRL_FRAME_TYPE)
-#define __is_sframe(ctrl) (ctrl) & L2CAP_CTRL_FRAME_TYPE
-#define __is_sar_start(ctrl) ((ctrl) & L2CAP_CTRL_SAR) == L2CAP_SDU_START
+#define __get_txseq(ctrl)	(((ctrl) & L2CAP_CTRL_TXSEQ) >> 1)
+#define __get_reqseq(ctrl)	(((ctrl) & L2CAP_CTRL_REQSEQ) >> 8)
+#define __is_iframe(ctrl)	(!((ctrl) & L2CAP_CTRL_FRAME_TYPE))
+#define __is_sframe(ctrl)	((ctrl) & L2CAP_CTRL_FRAME_TYPE)
+#define __is_sar_start(ctrl)	(((ctrl) & L2CAP_CTRL_SAR) == L2CAP_SDU_START)
 
 void l2cap_load(void);
 

include/net/bluetooth/rfcomm.h

@@ -1,5 +1,5 @@
-/* 
-   RFCOMM implementation for Linux Bluetooth stack (BlueZ).
+/*
+   RFCOMM implementation for Linux Bluetooth stack (BlueZ)
    Copyright (C) 2002 Maxim Krasnyansky <maxk@qualcomm.com>
    Copyright (C) 2002 Marcel Holtmann <marcel@holtmann.org>
 
@@ -11,13 +11,13 @@
    OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
    IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
-   CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 
-   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 
-   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 
+   CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
+   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
-   ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 
-   COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 
+   ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
+   COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
    SOFTWARE IS DISCLAIMED.
 */
 
@@ -105,7 +105,7 @@
 struct rfcomm_hdr {
 	u8 addr;
 	u8 ctrl;
-	u8 len;    // Actual size can be 2 bytes
+	u8 len;    /* Actual size can be 2 bytes */
 } __packed;
 
 struct rfcomm_cmd {
@@ -228,7 +228,7 @@ struct rfcomm_dlc {
 /* ---- RFCOMM SEND RPN ---- */
 int rfcomm_send_rpn(struct rfcomm_session *s, int cr, u8 dlci,
 			u8 bit_rate, u8 data_bits, u8 stop_bits,
-			u8 parity, u8 flow_ctrl_settings, 
+			u8 parity, u8 flow_ctrl_settings,
 			u8 xon_char, u8 xoff_char, u16 param_mask);
 
 /* ---- RFCOMM DLCs (channels) ---- */

include/net/bluetooth/sco.h

@@ -1,4 +1,4 @@
-/* 
+/*
    BlueZ - Bluetooth protocol stack for Linux
    Copyright (C) 2000-2001 Qualcomm Incorporated
 
@@ -12,13 +12,13 @@
    OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
    IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
-   CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 
-   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 
-   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 
+   CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
+   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
-   ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 
-   COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 
+   ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
+   COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
    SOFTWARE IS DISCLAIMED.
 */
 
@@ -55,11 +55,11 @@ struct sco_conninfo {
 struct sco_conn {
 	struct hci_conn	*hcon;
 
-	bdaddr_t 	*dst;
-	bdaddr_t 	*src;
-	
+	bdaddr_t	*dst;
+	bdaddr_t	*src;
+
 	spinlock_t	lock;
-	struct sock 	*sk;
+	struct sock	*sk;
 
 	unsigned int    mtu;
 };

include/net/cfg80211.h

@@ -1134,7 +1134,9 @@ struct cfg80211_pmksa {
  * @cancel_remain_on_channel: Cancel an on-going remain-on-channel operation.
  *	This allows the operation to be terminated prior to timeout based on
  *	the duration value.
- * @mgmt_tx: Transmit a management frame
+ * @mgmt_tx: Transmit a management frame.
+ * @mgmt_tx_cancel_wait: Cancel the wait time from transmitting a management
+ *	frame on another channel
  *
  * @testmode_cmd: run a test mode command
  *
@@ -1152,6 +1154,13 @@ struct cfg80211_pmksa {
  * @mgmt_frame_register: Notify driver that a management frame type was
  *	registered. Note that this callback may not sleep, and cannot run
  *	concurrently with itself.
+ *
+ * @set_antenna: Set antenna configuration (tx_ant, rx_ant) on the device.
+ *	Parameters are bitmaps of allowed antennas to use for TX/RX. Drivers may
+ *	reject TX/RX mask combinations they cannot support by returning -EINVAL
+ *	(also see nl80211.h @NL80211_ATTR_WIPHY_ANTENNA_TX).
+ *
+ * @get_antenna: Get current antenna configuration from device (tx_ant, rx_ant).
  */
 struct cfg80211_ops {
 	int	(*suspend)(struct wiphy *wiphy);
@@ -1291,10 +1300,13 @@ struct cfg80211_ops {
 					    u64 cookie);
 
 	int	(*mgmt_tx)(struct wiphy *wiphy, struct net_device *dev,
-			  struct ieee80211_channel *chan,
+			  struct ieee80211_channel *chan, bool offchan,
 			  enum nl80211_channel_type channel_type,
-			  bool channel_type_valid,
+			  bool channel_type_valid, unsigned int wait,
 			  const u8 *buf, size_t len, u64 *cookie);
+	int	(*mgmt_tx_cancel_wait)(struct wiphy *wiphy,
+				       struct net_device *dev,
+				       u64 cookie);
 
 	int	(*set_power_mgmt)(struct wiphy *wiphy, struct net_device *dev,
 				  bool enabled, int timeout);

include/net/mac80211.h

@@ -2055,8 +2055,8 @@ static inline void ieee80211_rx_ni(struct ieee80211_hw *hw,
  *
  * This function may not be called in IRQ context. Calls to this function
  * for a single hardware must be synchronized against each other. Calls
- * to this function and ieee80211_tx_status_irqsafe() may not be mixed
- * for a single hardware.
+ * to this function, ieee80211_tx_status_ni() and ieee80211_tx_status_irqsafe()
+ * may not be mixed for a single hardware.
  *
  * @hw: the hardware the frame was transmitted by
  * @skb: the frame that was transmitted, owned by mac80211 after this call
@@ -2064,14 +2064,34 @@ static inline void ieee80211_rx_ni(struct ieee80211_hw *hw,
 void ieee80211_tx_status(struct ieee80211_hw *hw,
 			 struct sk_buff *skb);
 
+/**
+ * ieee80211_tx_status_ni - transmit status callback (in process context)
+ *
+ * Like ieee80211_tx_status() but can be called in process context.
+ *
+ * Calls to this function, ieee80211_tx_status() and
+ * ieee80211_tx_status_irqsafe() may not be mixed
+ * for a single hardware.
+ *
+ * @hw: the hardware the frame was transmitted by
+ * @skb: the frame that was transmitted, owned by mac80211 after this call
+ */
+static inline void ieee80211_tx_status_ni(struct ieee80211_hw *hw,
+					  struct sk_buff *skb)
+{
+	local_bh_disable();
+	ieee80211_tx_status(hw, skb);
+	local_bh_enable();
+}
+
 /**
  * ieee80211_tx_status_irqsafe - IRQ-safe transmit status callback
  *
  * Like ieee80211_tx_status() but can be called in IRQ context
  * (internally defers to a tasklet.)
  *
- * Calls to this function and ieee80211_tx_status() may not be mixed for a
- * single hardware.
+ * Calls to this function, ieee80211_tx_status() and
+ * ieee80211_tx_status_ni() may not be mixed for a single hardware.
  *
  * @hw: the hardware the frame was transmitted by
  * @skb: the frame that was transmitted, owned by mac80211 after this call

net/bluetooth/bnep/core.c

@@ -648,6 +648,7 @@ int bnep_del_connection(struct bnep_conndel_req *req)
 
 static void __bnep_copy_ci(struct bnep_conninfo *ci, struct bnep_session *s)
 {
+	memset(ci, 0, sizeof(*ci));
 	memcpy(ci->dst, s->eh.h_source, ETH_ALEN);
 	strcpy(ci->device, s->dev->name);
 	ci->flags = s->flags;

net/bluetooth/cmtp/core.c

@@ -78,6 +78,7 @@ static void __cmtp_unlink_session(struct cmtp_session *session)
 
 static void __cmtp_copy_session(struct cmtp_session *session, struct cmtp_conninfo *ci)
 {
+	memset(ci, 0, sizeof(*ci));
 	bacpy(&ci->bdaddr, &session->bdaddr);
 
 	ci->flags = session->flags;

net/bluetooth/hci_conn.c

@@ -39,7 +39,7 @@
 #include <net/sock.h>
 
 #include <asm/system.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 #include <asm/unaligned.h>
 
 #include <net/bluetooth/bluetooth.h>
@@ -66,7 +66,8 @@ void hci_acl_connect(struct hci_conn *conn)
 	bacpy(&cp.bdaddr, &conn->dst);
 	cp.pscan_rep_mode = 0x02;
 
-	if ((ie = hci_inquiry_cache_lookup(hdev, &conn->dst))) {
+	ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
+	if (ie) {
 		if (inquiry_entry_age(ie) <= INQUIRY_ENTRY_AGE_MAX) {
 			cp.pscan_rep_mode = ie->data.pscan_rep_mode;
 			cp.pscan_mode     = ie->data.pscan_mode;
@@ -368,8 +369,10 @@ struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8
 
 	BT_DBG("%s dst %s", hdev->name, batostr(dst));
 
-	if (!(acl = hci_conn_hash_lookup_ba(hdev, ACL_LINK, dst))) {
-		if (!(acl = hci_conn_add(hdev, ACL_LINK, dst)))
+	acl = hci_conn_hash_lookup_ba(hdev, ACL_LINK, dst);
+	if (!acl) {
+		acl = hci_conn_add(hdev, ACL_LINK, dst);
+		if (!acl)
 			return NULL;
 	}
 
@@ -389,8 +392,10 @@ struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8
 	if (type == ACL_LINK)
 		return acl;
 
-	if (!(sco = hci_conn_hash_lookup_ba(hdev, type, dst))) {
-		if (!(sco = hci_conn_add(hdev, type, dst))) {
+	sco = hci_conn_hash_lookup_ba(hdev, type, dst);
+	if (!sco) {
+		sco = hci_conn_add(hdev, type, dst);
+		if (!sco) {
 			hci_conn_put(acl);
 			return NULL;
 		}
@@ -647,10 +652,12 @@ int hci_get_conn_list(void __user *arg)
 
 	size = sizeof(req) + req.conn_num * sizeof(*ci);
 
-	if (!(cl = kmalloc(size, GFP_KERNEL)))
+	cl = kmalloc(size, GFP_KERNEL);
+	if (!cl)
 		return -ENOMEM;
 
-	if (!(hdev = hci_dev_get(req.dev_id))) {
+	hdev = hci_dev_get(req.dev_id);
+	if (!hdev) {
 		kfree(cl);
 		return -ENODEV;
 	}

net/bluetooth/hci_core.c

@@ -44,7 +44,7 @@
 #include <net/sock.h>
 
 #include <asm/system.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 #include <asm/unaligned.h>
 
 #include <net/bluetooth/bluetooth.h>
@@ -349,20 +349,23 @@ struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, bdaddr_t *b
 void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data)
 {
 	struct inquiry_cache *cache = &hdev->inq_cache;
-	struct inquiry_entry *e;
+	struct inquiry_entry *ie;
 
 	BT_DBG("cache %p, %s", cache, batostr(&data->bdaddr));
 
-	if (!(e = hci_inquiry_cache_lookup(hdev, &data->bdaddr))) {
+	ie = hci_inquiry_cache_lookup(hdev, &data->bdaddr);
+	if (!ie) {
 		/* Entry not in the cache. Add new one. */
-		if (!(e = kzalloc(sizeof(struct inquiry_entry), GFP_ATOMIC)))
+		ie = kzalloc(sizeof(struct inquiry_entry), GFP_ATOMIC);
+		if (!ie)
 			return;
-		e->next     = cache->list;
-		cache->list = e;
+
+		ie->next = cache->list;
+		cache->list = ie;
 	}
 
-	memcpy(&e->data, data, sizeof(*data));
-	e->timestamp = jiffies;
+	memcpy(&ie->data, data, sizeof(*data));
+	ie->timestamp = jiffies;
 	cache->timestamp = jiffies;
 }
 
@@ -422,16 +425,20 @@ int hci_inquiry(void __user *arg)
 
 	hci_dev_lock_bh(hdev);
 	if (inquiry_cache_age(hdev) > INQUIRY_CACHE_AGE_MAX ||
-					inquiry_cache_empty(hdev) ||
-					ir.flags & IREQ_CACHE_FLUSH) {
+				inquiry_cache_empty(hdev) ||
+				ir.flags & IREQ_CACHE_FLUSH) {
 		inquiry_cache_flush(hdev);
 		do_inquiry = 1;
 	}
 	hci_dev_unlock_bh(hdev);
 
 	timeo = ir.length * msecs_to_jiffies(2000);
-	if (do_inquiry && (err = hci_request(hdev, hci_inq_req, (unsigned long)&ir, timeo)) < 0)
-		goto done;
+
+	if (do_inquiry) {
+		err = hci_request(hdev, hci_inq_req, (unsigned long)&ir, timeo);
+		if (err < 0)
+			goto done;
+	}
 
 	/* for unlimited number of responses we will use buffer with 255 entries */
 	max_rsp = (ir.num_rsp == 0) ? 255 : ir.num_rsp;
@@ -439,7 +446,8 @@ int hci_inquiry(void __user *arg)
 	/* cache_dump can't sleep. Therefore we allocate temp buffer and then
 	 * copy it to the user space.
 	 */
-	if (!(buf = kmalloc(sizeof(struct inquiry_info) * max_rsp, GFP_KERNEL))) {
+	buf = kmalloc(sizeof(struct inquiry_info) *max_rsp, GFP_KERNEL);
+	if (!buf) {
 		err = -ENOMEM;
 		goto done;
 	}
@@ -611,7 +619,8 @@ int hci_dev_close(__u16 dev)
 	struct hci_dev *hdev;
 	int err;
 
-	if (!(hdev = hci_dev_get(dev)))
+	hdev = hci_dev_get(dev);
+	if (!hdev)
 		return -ENODEV;
 	err = hci_dev_do_close(hdev);
 	hci_dev_put(hdev);
@@ -623,7 +632,8 @@ int hci_dev_reset(__u16 dev)
 	struct hci_dev *hdev;
 	int ret = 0;
 
-	if (!(hdev = hci_dev_get(dev)))
+	hdev = hci_dev_get(dev);
+	if (!hdev)
 		return -ENODEV;
 
 	hci_req_lock(hdev);
@@ -663,7 +673,8 @@ int hci_dev_reset_stat(__u16 dev)
 	struct hci_dev *hdev;
 	int ret = 0;
 
-	if (!(hdev = hci_dev_get(dev)))
+	hdev = hci_dev_get(dev);
+	if (!hdev)
 		return -ENODEV;
 
 	memset(&hdev->stat, 0, sizeof(struct hci_dev_stats));
@@ -682,7 +693,8 @@ int hci_dev_cmd(unsigned int cmd, void __user *arg)
 	if (copy_from_user(&dr, arg, sizeof(dr)))
 		return -EFAULT;
 
-	if (!(hdev = hci_dev_get(dr.dev_id)))
+	hdev = hci_dev_get(dr.dev_id);
+	if (!hdev)
 		return -ENODEV;
 
 	switch (cmd) {
@@ -763,7 +775,8 @@ int hci_get_dev_list(void __user *arg)
 
 	size = sizeof(*dl) + dev_num * sizeof(*dr);
 
-	if (!(dl = kzalloc(size, GFP_KERNEL)))
+	dl = kzalloc(size, GFP_KERNEL);
+	if (!dl)
 		return -ENOMEM;
 
 	dr = dl->dev_req;
@@ -797,7 +810,8 @@ int hci_get_dev_info(void __user *arg)
 	if (copy_from_user(&di, arg, sizeof(di)))
 		return -EFAULT;
 
-	if (!(hdev = hci_dev_get(di.dev_id)))
+	hdev = hci_dev_get(di.dev_id);
+	if (!hdev)
 		return -ENODEV;
 
 	strcpy(di.name, hdev->name);
@@ -905,7 +919,7 @@ int hci_register_dev(struct hci_dev *hdev)
 	hdev->sniff_max_interval = 800;
 	hdev->sniff_min_interval = 80;
 
-	tasklet_init(&hdev->cmd_task, hci_cmd_task,(unsigned long) hdev);
+	tasklet_init(&hdev->cmd_task, hci_cmd_task, (unsigned long) hdev);
 	tasklet_init(&hdev->rx_task, hci_rx_task, (unsigned long) hdev);
 	tasklet_init(&hdev->tx_task, hci_tx_task, (unsigned long) hdev);
 
@@ -1368,7 +1382,8 @@ void hci_send_acl(struct hci_conn *conn, struct sk_buff *skb, __u16 flags)
 	bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT;
 	hci_add_acl_hdr(skb, conn->handle, flags | ACL_START);
 
-	if (!(list = skb_shinfo(skb)->frag_list)) {
+	list = skb_shinfo(skb)->frag_list;
+	if (!list) {
 		/* Non fragmented */
 		BT_DBG("%s nonfrag skb %p len %d", hdev->name, skb, skb->len);
 
@@ -1609,7 +1624,8 @@ static inline void hci_acldata_packet(struct hci_dev *hdev, struct sk_buff *skb)
 		hci_conn_enter_active_mode(conn);
 
 		/* Send to upper protocol */
-		if ((hp = hci_proto[HCI_PROTO_L2CAP]) && hp->recv_acldata) {
+		hp = hci_proto[HCI_PROTO_L2CAP];
+		if (hp && hp->recv_acldata) {
 			hp->recv_acldata(conn, skb, flags);
 			return;
 		}
@@ -1644,7 +1660,8 @@ static inline void hci_scodata_packet(struct hci_dev *hdev, struct sk_buff *skb)
 		register struct hci_proto *hp;
 
 		/* Send to upper protocol */
-		if ((hp = hci_proto[HCI_PROTO_SCO]) && hp->recv_scodata) {
+		hp = hci_proto[HCI_PROTO_SCO];
+		if (hp && hp->recv_scodata) {
 			hp->recv_scodata(conn, skb);
 			return;
 		}
@@ -1727,7 +1744,8 @@ static void hci_cmd_task(unsigned long arg)
 	if (atomic_read(&hdev->cmd_cnt) && (skb = skb_dequeue(&hdev->cmd_q))) {
 		kfree_skb(hdev->sent_cmd);
 
-		if ((hdev->sent_cmd = skb_clone(skb, GFP_ATOMIC))) {
+		hdev->sent_cmd = skb_clone(skb, GFP_ATOMIC);
+		if (hdev->sent_cmd) {
 			atomic_dec(&hdev->cmd_cnt);
 			hci_send_frame(skb);
 			hdev->cmd_last_tx = jiffies;

net/bluetooth/hci_event.c

@@ -39,7 +39,7 @@
 #include <net/sock.h>
 
 #include <asm/system.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 #include <asm/unaligned.h>
 
 #include <net/bluetooth/bluetooth.h>
@@ -677,9 +677,50 @@ static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
 	hci_dev_unlock(hdev);
 }
 
+static int hci_outgoing_auth_needed(struct hci_dev *hdev,
+						struct hci_conn *conn)
+{
+	if (conn->state != BT_CONFIG || !conn->out)
+		return 0;
+
+	if (conn->sec_level == BT_SECURITY_SDP)
+		return 0;
+
+	/* Only request authentication for SSP connections or non-SSP
+	 * devices with sec_level HIGH */
+	if (!(hdev->ssp_mode > 0 && conn->ssp_mode > 0) &&
+					conn->sec_level != BT_SECURITY_HIGH)
+		return 0;
+
+	return 1;
+}
+
 static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
 {
+	struct hci_cp_remote_name_req *cp;
+	struct hci_conn *conn;
+
 	BT_DBG("%s status 0x%x", hdev->name, status);
+
+	/* If successful wait for the name req complete event before
+	 * checking for the need to do authentication */
+	if (!status)
+		return;
+
+	cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
+	if (!cp)
+		return;
+
+	hci_dev_lock(hdev);
+
+	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
+	if (conn && hci_outgoing_auth_needed(hdev, conn)) {
+		struct hci_cp_auth_requested cp;
+		cp.handle = __cpu_to_le16(conn->handle);
+		hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
+	}
+
+	hci_dev_unlock(hdev);
 }
 
 static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
@@ -955,12 +996,14 @@ static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *sk
 
 		hci_dev_lock(hdev);
 
-		if ((ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr)))
+		ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
+		if (ie)
 			memcpy(ie->data.dev_class, ev->dev_class, 3);
 
 		conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
 		if (!conn) {
-			if (!(conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr))) {
+			conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr);
+			if (!conn) {
 				BT_ERR("No memory for new connection");
 				hci_dev_unlock(hdev);
 				return;
@@ -1090,9 +1133,23 @@ static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *s
 
 static inline void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
 {
+	struct hci_ev_remote_name *ev = (void *) skb->data;
+	struct hci_conn *conn;
+
 	BT_DBG("%s", hdev->name);
 
 	hci_conn_check_pending(hdev);
+
+	hci_dev_lock(hdev);
+
+	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
+	if (conn && hci_outgoing_auth_needed(hdev, conn)) {
+		struct hci_cp_auth_requested cp;
+		cp.handle = __cpu_to_le16(conn->handle);
+		hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
+	}
+
+	hci_dev_unlock(hdev);
 }
 
 static inline void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
@@ -1162,33 +1219,39 @@ static inline void hci_remote_features_evt(struct hci_dev *hdev, struct sk_buff
 	hci_dev_lock(hdev);
 
 	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
-	if (conn) {
-		if (!ev->status)
-			memcpy(conn->features, ev->features, 8);
+	if (!conn)
+		goto unlock;
 
-		if (conn->state == BT_CONFIG) {
-			if (!ev->status && lmp_ssp_capable(hdev) &&
-						lmp_ssp_capable(conn)) {
-				struct hci_cp_read_remote_ext_features cp;
-				cp.handle = ev->handle;
-				cp.page = 0x01;
-				hci_send_cmd(hdev,
-					HCI_OP_READ_REMOTE_EXT_FEATURES,
-							sizeof(cp), &cp);
-			} else if (!ev->status && conn->out &&
-					conn->sec_level == BT_SECURITY_HIGH) {
-				struct hci_cp_auth_requested cp;
-				cp.handle = ev->handle;
-				hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
+	if (!ev->status)
+		memcpy(conn->features, ev->features, 8);
+
+	if (conn->state != BT_CONFIG)
+		goto unlock;
+
+	if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
+		struct hci_cp_read_remote_ext_features cp;
+		cp.handle = ev->handle;
+		cp.page = 0x01;
+		hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
 							sizeof(cp), &cp);
-			} else {
-				conn->state = BT_CONNECTED;
-				hci_proto_connect_cfm(conn, ev->status);
-				hci_conn_put(conn);
-			}
-		}
+		goto unlock;
+	}
+
+	if (!ev->status) {
+		struct hci_cp_remote_name_req cp;
+		memset(&cp, 0, sizeof(cp));
+		bacpy(&cp.bdaddr, &conn->dst);
+		cp.pscan_rep_mode = 0x02;
+		hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
 	}
 
+	if (!hci_outgoing_auth_needed(hdev, conn)) {
+		conn->state = BT_CONNECTED;
+		hci_proto_connect_cfm(conn, ev->status);
+		hci_conn_put(conn);
+	}
+
+unlock:
 	hci_dev_unlock(hdev);
 }
 
@@ -1449,10 +1512,12 @@ static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *s
 			conn->sent -= count;
 
 			if (conn->type == ACL_LINK) {
-				if ((hdev->acl_cnt += count) > hdev->acl_pkts)
+				hdev->acl_cnt += count;
+				if (hdev->acl_cnt > hdev->acl_pkts)
 					hdev->acl_cnt = hdev->acl_pkts;
 			} else {
-				if ((hdev->sco_cnt += count) > hdev->sco_pkts)
+				hdev->sco_cnt += count;
+				if (hdev->sco_cnt > hdev->sco_pkts)
 					hdev->sco_cnt = hdev->sco_pkts;
 			}
 		}
@@ -1547,7 +1612,8 @@ static inline void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *sk
 	if (conn && !ev->status) {
 		struct inquiry_entry *ie;
 
-		if ((ie = hci_inquiry_cache_lookup(hdev, &conn->dst))) {
+		ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
+		if (ie) {
 			ie->data.clock_offset = ev->clock_offset;
 			ie->timestamp = jiffies;
 		}
@@ -1581,7 +1647,8 @@ static inline void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *
 
 	hci_dev_lock(hdev);
 
-	if ((ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr))) {
+	ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
+	if (ie) {
 		ie->data.pscan_rep_mode = ev->pscan_rep_mode;
 		ie->timestamp = jiffies;
 	}
@@ -1646,32 +1713,37 @@ static inline void hci_remote_ext_features_evt(struct hci_dev *hdev, struct sk_b
 	hci_dev_lock(hdev);
 
 	conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
-	if (conn) {
-		if (!ev->status && ev->page == 0x01) {
-			struct inquiry_entry *ie;
+	if (!conn)
+		goto unlock;
 
-			if ((ie = hci_inquiry_cache_lookup(hdev, &conn->dst)))
-				ie->data.ssp_mode = (ev->features[0] & 0x01);
+	if (!ev->status && ev->page == 0x01) {
+		struct inquiry_entry *ie;
 
-			conn->ssp_mode = (ev->features[0] & 0x01);
-		}
+		ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
+		if (ie)
+			ie->data.ssp_mode = (ev->features[0] & 0x01);
 
-		if (conn->state == BT_CONFIG) {
-			if (!ev->status && hdev->ssp_mode > 0 &&
-					conn->ssp_mode > 0 && conn->out &&
-					conn->sec_level != BT_SECURITY_SDP) {
-				struct hci_cp_auth_requested cp;
-				cp.handle = ev->handle;
-				hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
-							sizeof(cp), &cp);
-			} else {
-				conn->state = BT_CONNECTED;
-				hci_proto_connect_cfm(conn, ev->status);
-				hci_conn_put(conn);
-			}
-		}
+		conn->ssp_mode = (ev->features[0] & 0x01);
 	}
 
+	if (conn->state != BT_CONFIG)
+		goto unlock;
+
+	if (!ev->status) {
+		struct hci_cp_remote_name_req cp;
+		memset(&cp, 0, sizeof(cp));
+		bacpy(&cp.bdaddr, &conn->dst);
+		cp.pscan_rep_mode = 0x02;
+		hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
+	}
+
+	if (!hci_outgoing_auth_needed(hdev, conn)) {
+		conn->state = BT_CONNECTED;
+		hci_proto_connect_cfm(conn, ev->status);
+		hci_conn_put(conn);
+	}
+
+unlock:
 	hci_dev_unlock(hdev);
 }
 
@@ -1821,7 +1893,8 @@ static inline void hci_remote_host_features_evt(struct hci_dev *hdev, struct sk_
 
 	hci_dev_lock(hdev);
 
-	if ((ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr)))
+	ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
+	if (ie)
 		ie->data.ssp_mode = (ev->features[0] & 0x01);
 
 	hci_dev_unlock(hdev);

net/bluetooth/hci_sock.c

@@ -43,7 +43,7 @@
 #include <net/sock.h>
 
 #include <asm/system.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 #include <asm/unaligned.h>
 
 #include <net/bluetooth/bluetooth.h>
@@ -125,7 +125,8 @@ void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb)
 				continue;
 		}
 
-		if (!(nskb = skb_clone(skb, GFP_ATOMIC)))
+		nskb = skb_clone(skb, GFP_ATOMIC);
+		if (!nskb)
 			continue;
 
 		/* Put type byte before the data */
@@ -370,7 +371,8 @@ static int hci_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_le
 	}
 
 	if (haddr->hci_dev != HCI_DEV_NONE) {
-		if (!(hdev = hci_dev_get(haddr->hci_dev))) {
+		hdev = hci_dev_get(haddr->hci_dev);
+		if (!hdev) {
 			err = -ENODEV;
 			goto done;
 		}
@@ -457,7 +459,8 @@ static int hci_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
 	if (sk->sk_state == BT_CLOSED)
 		return 0;
 
-	if (!(skb = skb_recv_datagram(sk, flags, noblock, &err)))
+	skb = skb_recv_datagram(sk, flags, noblock, &err);
+	if (!skb)
 		return err;
 
 	msg->msg_namelen = 0;
@@ -499,7 +502,8 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
 
 	lock_sock(sk);
 
-	if (!(hdev = hci_pi(sk)->hdev)) {
+	hdev = hci_pi(sk)->hdev;
+	if (!hdev) {
 		err = -EBADFD;
 		goto done;
 	}
@@ -509,7 +513,8 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
 		goto done;
 	}
 
-	if (!(skb = bt_skb_send_alloc(sk, len, msg->msg_flags & MSG_DONTWAIT, &err)))
+	skb = bt_skb_send_alloc(sk, len, msg->msg_flags & MSG_DONTWAIT, &err);
+	if (!skb)
 		goto done;
 
 	if (memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len)) {

net/bluetooth/hidp/core.c

@@ -107,6 +107,7 @@ static void __hidp_unlink_session(struct hidp_session *session)
 
 static void __hidp_copy_session(struct hidp_session *session, struct hidp_conninfo *ci)
 {
+	memset(ci, 0, sizeof(*ci));
 	bacpy(&ci->bdaddr, &session->bdaddr);
 
 	ci->flags = session->flags;
@@ -115,7 +116,6 @@ static void __hidp_copy_session(struct hidp_session *session, struct hidp_connin
 	ci->vendor  = 0x0000;
 	ci->product = 0x0000;
 	ci->version = 0x0000;
-	memset(ci->name, 0, 128);
 
 	if (session->input) {
 		ci->vendor  = session->input->id.vendor;

net/bluetooth/l2cap.c

@@ -57,7 +57,7 @@
 
 #define VERSION "2.15"
 
-static int disable_ertm = 0;
+static int disable_ertm;
 
 static u32 l2cap_feat_mask = L2CAP_FEAT_FIXED_CHAN;
 static u8 l2cap_fixed_chan[8] = { 0x02, };
@@ -83,6 +83,18 @@ static struct sk_buff *l2cap_build_cmd(struct l2cap_conn *conn,
 static int l2cap_ertm_data_rcv(struct sock *sk, struct sk_buff *skb);
 
 /* ---- L2CAP timers ---- */
+static void l2cap_sock_set_timer(struct sock *sk, long timeout)
+{
+	BT_DBG("sk %p state %d timeout %ld", sk, sk->sk_state, timeout);
+	sk_reset_timer(sk, &sk->sk_timer, jiffies + timeout);
+}
+
+static void l2cap_sock_clear_timer(struct sock *sk)
+{
+	BT_DBG("sock %p state %d", sk, sk->sk_state);
+	sk_stop_timer(sk, &sk->sk_timer);
+}
+
 static void l2cap_sock_timeout(unsigned long arg)
 {
 	struct sock *sk = (struct sock *) arg;
@@ -92,6 +104,14 @@ static void l2cap_sock_timeout(unsigned long arg)
 
 	bh_lock_sock(sk);
 
+	if (sock_owned_by_user(sk)) {
+		/* sk is owned by user. Try again later */
+		l2cap_sock_set_timer(sk, HZ / 5);
+		bh_unlock_sock(sk);
+		sock_put(sk);
+		return;
+	}
+
 	if (sk->sk_state == BT_CONNECTED || sk->sk_state == BT_CONFIG)
 		reason = ECONNREFUSED;
 	else if (sk->sk_state == BT_CONNECT &&
@@ -108,18 +128,6 @@ static void l2cap_sock_timeout(unsigned long arg)
 	sock_put(sk);
 }
 
-static void l2cap_sock_set_timer(struct sock *sk, long timeout)
-{
-	BT_DBG("sk %p state %d timeout %ld", sk, sk->sk_state, timeout);
-	sk_reset_timer(sk, &sk->sk_timer, jiffies + timeout);
-}
-
-static void l2cap_sock_clear_timer(struct sock *sk)
-{
-	BT_DBG("sock %p state %d", sk, sk->sk_state);
-	sk_stop_timer(sk, &sk->sk_timer);
-}
-
 /* ---- L2CAP channels ---- */
 static struct sock *__l2cap_get_chan_by_dcid(struct l2cap_chan_list *l, u16 cid)
 {
@@ -743,11 +751,13 @@ found:
 /* Find socket with psm and source bdaddr.
  * Returns closest match.
  */
-static struct sock *__l2cap_get_sock_by_psm(int state, __le16 psm, bdaddr_t *src)
+static struct sock *l2cap_get_sock_by_psm(int state, __le16 psm, bdaddr_t *src)
 {
 	struct sock *sk = NULL, *sk1 = NULL;
 	struct hlist_node *node;
 
+	read_lock(&l2cap_sk_list.lock);
+
 	sk_for_each(sk, node, &l2cap_sk_list.head) {
 		if (state && sk->sk_state != state)
 			continue;
@@ -762,20 +772,10 @@ static struct sock *__l2cap_get_sock_by_psm(int state, __le16 psm, bdaddr_t *src
 				sk1 = sk;
 		}
 	}
-	return node ? sk : sk1;
-}
 
-/* Find socket with given address (psm, src).
- * Returns locked socket */
-static inline struct sock *l2cap_get_sock_by_psm(int state, __le16 psm, bdaddr_t *src)
-{
-	struct sock *s;
-	read_lock(&l2cap_sk_list.lock);
-	s = __l2cap_get_sock_by_psm(state, psm, src);
-	if (s)
-		bh_lock_sock(s);
 	read_unlock(&l2cap_sk_list.lock);
-	return s;
+
+	return node ? sk : sk1;
 }
 
 static void l2cap_sock_destruct(struct sock *sk)
@@ -2926,6 +2926,8 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
 		goto sendresp;
 	}
 
+	bh_lock_sock(parent);
+
 	/* Check if the ACL is secure enough (if not SDP) */
 	if (psm != cpu_to_le16(0x0001) &&
 				!hci_conn_check_link_mode(conn->hcon)) {
@@ -3078,6 +3080,14 @@ static inline int l2cap_connect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hd
 		break;
 
 	default:
+		/* don't delete l2cap channel if sk is owned by user */
+		if (sock_owned_by_user(sk)) {
+			sk->sk_state = BT_DISCONN;
+			l2cap_sock_clear_timer(sk);
+			l2cap_sock_set_timer(sk, HZ / 5);
+			break;
+		}
+
 		l2cap_chan_del(sk, ECONNREFUSED);
 		break;
 	}
@@ -3283,6 +3293,15 @@ static inline int l2cap_disconnect_req(struct l2cap_conn *conn, struct l2cap_cmd
 
 	sk->sk_shutdown = SHUTDOWN_MASK;
 
+	/* don't delete l2cap channel if sk is owned by user */
+	if (sock_owned_by_user(sk)) {
+		sk->sk_state = BT_DISCONN;
+		l2cap_sock_clear_timer(sk);
+		l2cap_sock_set_timer(sk, HZ / 5);
+		bh_unlock_sock(sk);
+		return 0;
+	}
+
 	l2cap_chan_del(sk, ECONNRESET);
 	bh_unlock_sock(sk);
 
@@ -3305,6 +3324,15 @@ static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn, struct l2cap_cmd
 	if (!sk)
 		return 0;
 
+	/* don't delete l2cap channel if sk is owned by user */
+	if (sock_owned_by_user(sk)) {
+		sk->sk_state = BT_DISCONN;
+		l2cap_sock_clear_timer(sk);
+		l2cap_sock_set_timer(sk, HZ / 5);
+		bh_unlock_sock(sk);
+		return 0;
+	}
+
 	l2cap_chan_del(sk, 0);
 	bh_unlock_sock(sk);
 
@@ -4134,11 +4162,10 @@ static inline void l2cap_data_channel_rrframe(struct sock *sk, u16 rx_control)
 			__mod_retrans_timer();
 
 		pi->conn_state &= ~L2CAP_CONN_REMOTE_BUSY;
-		if (pi->conn_state & L2CAP_CONN_SREJ_SENT) {
+		if (pi->conn_state & L2CAP_CONN_SREJ_SENT)
 			l2cap_send_ack(pi);
-		} else {
+		else
 			l2cap_ertm_send(sk);
-		}
 	}
 }
 
@@ -4430,6 +4457,8 @@ static inline int l2cap_conless_channel(struct l2cap_conn *conn, __le16 psm, str
 	if (!sk)
 		goto drop;
 
+	bh_lock_sock(sk);
+
 	BT_DBG("sk %p, len %d", sk, skb->len);
 
 	if (sk->sk_state != BT_BOUND && sk->sk_state != BT_CONNECTED)
@@ -4841,8 +4870,10 @@ static int __init l2cap_init(void)
 		return err;
 
 	_busy_wq = create_singlethread_workqueue("l2cap");
-	if (!_busy_wq)
-		goto error;
+	if (!_busy_wq) {
+		proto_unregister(&l2cap_proto);
+		return -ENOMEM;
+	}
 
 	err = bt_sock_register(BTPROTO_L2CAP, &l2cap_sock_family_ops);
 	if (err < 0) {
@@ -4870,6 +4901,7 @@ static int __init l2cap_init(void)
 	return 0;
 
 error:
+	destroy_workqueue(_busy_wq);
 	proto_unregister(&l2cap_proto);
 	return err;
 }

net/bluetooth/rfcomm/core.c

@@ -41,7 +41,7 @@
 #include <linux/slab.h>
 
 #include <net/sock.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 #include <asm/unaligned.h>
 
 #include <net/bluetooth/bluetooth.h>
@@ -51,10 +51,10 @@
 
 #define VERSION "1.11"
 
-static int disable_cfc = 0;
+static int disable_cfc;
+static int l2cap_ertm;
 static int channel_mtu = -1;
 static unsigned int l2cap_mtu = RFCOMM_MAX_L2CAP_MTU;
-static int l2cap_ertm = 0;
 
 static struct task_struct *rfcomm_thread;
 
@@ -1901,7 +1901,7 @@ static inline void rfcomm_check_connection(struct rfcomm_session *s)
 
 	BT_DBG("%p state %ld", s, s->state);
 
-	switch(sk->sk_state) {
+	switch (sk->sk_state) {
 	case BT_CONNECTED:
 		s->state = BT_CONNECT;
 

net/bluetooth/rfcomm/sock.c

@@ -45,7 +45,7 @@
 #include <net/sock.h>
 
 #include <asm/system.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 
 #include <net/bluetooth/bluetooth.h>
 #include <net/bluetooth/hci_core.h>
@@ -140,11 +140,13 @@ static struct sock *__rfcomm_get_sock_by_addr(u8 channel, bdaddr_t *src)
 /* Find socket with channel and source bdaddr.
  * Returns closest match.
  */
-static struct sock *__rfcomm_get_sock_by_channel(int state, u8 channel, bdaddr_t *src)
+static struct sock *rfcomm_get_sock_by_channel(int state, u8 channel, bdaddr_t *src)
 {
 	struct sock *sk = NULL, *sk1 = NULL;
 	struct hlist_node *node;
 
+	read_lock(&rfcomm_sk_list.lock);
+
 	sk_for_each(sk, node, &rfcomm_sk_list.head) {
 		if (state && sk->sk_state != state)
 			continue;
@@ -159,19 +161,10 @@ static struct sock *__rfcomm_get_sock_by_channel(int state, u8 channel, bdaddr_t
 				sk1 = sk;
 		}
 	}
-	return node ? sk : sk1;
-}
 
-/* Find socket with given address (channel, src).
- * Returns locked socket */
-static inline struct sock *rfcomm_get_sock_by_channel(int state, u8 channel, bdaddr_t *src)
-{
-	struct sock *s;
-	read_lock(&rfcomm_sk_list.lock);
-	s = __rfcomm_get_sock_by_channel(state, channel, src);
-	if (s) bh_lock_sock(s);
 	read_unlock(&rfcomm_sk_list.lock);
-	return s;
+
+	return node ? sk : sk1;
 }
 
 static void rfcomm_sock_destruct(struct sock *sk)
@@ -895,7 +888,8 @@ static int rfcomm_sock_shutdown(struct socket *sock, int how)
 
 	BT_DBG("sock %p, sk %p", sock, sk);
 
-	if (!sk) return 0;
+	if (!sk)
+		return 0;
 
 	lock_sock(sk);
 	if (!sk->sk_shutdown) {
@@ -945,6 +939,8 @@ int rfcomm_connect_ind(struct rfcomm_session *s, u8 channel, struct rfcomm_dlc *
 	if (!parent)
 		return 0;
 
+	bh_lock_sock(parent);
+
 	/* Check for backlog size */
 	if (sk_acceptq_is_full(parent)) {
 		BT_DBG("backlog full %d", parent->sk_ack_backlog);

net/bluetooth/rfcomm/tty.c

@@ -58,9 +58,9 @@ struct rfcomm_dev {
 
 	bdaddr_t		src;
 	bdaddr_t		dst;
-	u8 			channel;
+	u8			channel;
 
-	uint 			modem_status;
+	uint			modem_status;
 
 	struct rfcomm_dlc	*dlc;
 	struct tty_struct	*tty;
@@ -69,7 +69,7 @@ struct rfcomm_dev {
 
 	struct device		*tty_dev;
 
-	atomic_t 		wmem_alloc;
+	atomic_t		wmem_alloc;
 
 	struct sk_buff_head	pending;
 };
@@ -431,7 +431,8 @@ static int rfcomm_release_dev(void __user *arg)
 
 	BT_DBG("dev_id %d flags 0x%x", req.dev_id, req.flags);
 
-	if (!(dev = rfcomm_dev_get(req.dev_id)))
+	dev = rfcomm_dev_get(req.dev_id);
+	if (!dev)
 		return -ENODEV;
 
 	if (dev->flags != NOCAP_FLAGS && !capable(CAP_NET_ADMIN)) {
@@ -470,7 +471,8 @@ static int rfcomm_get_dev_list(void __user *arg)
 
 	size = sizeof(*dl) + dev_num * sizeof(*di);
 
-	if (!(dl = kmalloc(size, GFP_KERNEL)))
+	dl = kmalloc(size, GFP_KERNEL);
+	if (!dl)
 		return -ENOMEM;
 
 	di = dl->dev_info;
@@ -513,7 +515,8 @@ static int rfcomm_get_dev_info(void __user *arg)
 	if (copy_from_user(&di, arg, sizeof(di)))
 		return -EFAULT;
 
-	if (!(dev = rfcomm_dev_get(di.id)))
+	dev = rfcomm_dev_get(di.id);
+	if (!dev)
 		return -ENODEV;
 
 	di.flags   = dev->flags;
@@ -561,7 +564,8 @@ static void rfcomm_dev_data_ready(struct rfcomm_dlc *dlc, struct sk_buff *skb)
 		return;
 	}
 
-	if (!(tty = dev->tty) || !skb_queue_empty(&dev->pending)) {
+	tty = dev->tty;
+	if (!tty || !skb_queue_empty(&dev->pending)) {
 		skb_queue_tail(&dev->pending, skb);
 		return;
 	}
@@ -796,7 +800,8 @@ static int rfcomm_tty_write(struct tty_struct *tty, const unsigned char *buf, in
 
 		memcpy(skb_put(skb, size), buf + sent, size);
 
-		if ((err = rfcomm_dlc_send(dlc, skb)) < 0) {
+		err = rfcomm_dlc_send(dlc, skb);
+		if (err < 0) {
 			kfree_skb(skb);
 			break;
 		}
@@ -892,7 +897,7 @@ static void rfcomm_tty_set_termios(struct tty_struct *tty, struct ktermios *old)
 
 	/* Parity on/off and when on, odd/even */
 	if (((old->c_cflag & PARENB) != (new->c_cflag & PARENB)) ||
-			((old->c_cflag & PARODD) != (new->c_cflag & PARODD)) ) {
+			((old->c_cflag & PARODD) != (new->c_cflag & PARODD))) {
 		changes |= RFCOMM_RPN_PM_PARITY;
 		BT_DBG("Parity change detected.");
 	}
@@ -937,11 +942,10 @@ static void rfcomm_tty_set_termios(struct tty_struct *tty, struct ktermios *old)
 	/* POSIX does not support 1.5 stop bits and RFCOMM does not
 	 * support 2 stop bits. So a request for 2 stop bits gets
 	 * translated to 1.5 stop bits */
-	if (new->c_cflag & CSTOPB) {
+	if (new->c_cflag & CSTOPB)
 		stop_bits = RFCOMM_RPN_STOP_15;
-	} else {
+	else
 		stop_bits = RFCOMM_RPN_STOP_1;
-	}
 
 	/* Handle number of data bits [5-8] */
 	if ((old->c_cflag & CSIZE) != (new->c_cflag & CSIZE))

net/bluetooth/sco.c

@@ -44,7 +44,7 @@
 #include <net/sock.h>
 
 #include <asm/system.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 
 #include <net/bluetooth/bluetooth.h>
 #include <net/bluetooth/hci_core.h>
@@ -52,7 +52,7 @@
 
 #define VERSION "0.6"
 
-static int disable_esco = 0;
+static int disable_esco;
 
 static const struct proto_ops sco_sock_ops;
 
@@ -138,16 +138,17 @@ static inline struct sock *sco_chan_get(struct sco_conn *conn)
 
 static int sco_conn_del(struct hci_conn *hcon, int err)
 {
-	struct sco_conn *conn;
+	struct sco_conn *conn = hcon->sco_data;
 	struct sock *sk;
 
-	if (!(conn = hcon->sco_data))
+	if (!conn)
 		return 0;
 
 	BT_DBG("hcon %p conn %p, err %d", hcon, conn, err);
 
 	/* Kill socket */
-	if ((sk = sco_chan_get(conn))) {
+	sk = sco_chan_get(conn);
+	if (sk) {
 		bh_lock_sock(sk);
 		sco_sock_clear_timer(sk);
 		sco_chan_del(sk, err);
@@ -185,7 +186,8 @@ static int sco_connect(struct sock *sk)
 
 	BT_DBG("%s -> %s", batostr(src), batostr(dst));
 
-	if (!(hdev = hci_get_route(dst, src)))
+	hdev = hci_get_route(dst, src);
+	if (!hdev)
 		return -EHOSTUNREACH;
 
 	hci_dev_lock_bh(hdev);
@@ -510,7 +512,8 @@ static int sco_sock_connect(struct socket *sock, struct sockaddr *addr, int alen
 	/* Set destination address and psm */
 	bacpy(&bt_sk(sk)->dst, &sa->sco_bdaddr);
 
-	if ((err = sco_connect(sk)))
+	err = sco_connect(sk);
+	if (err)
 		goto done;
 
 	err = bt_sock_wait_state(sk, BT_CONNECTED,
@@ -828,13 +831,14 @@ static void sco_chan_del(struct sock *sk, int err)
 
 static void sco_conn_ready(struct sco_conn *conn)
 {
-	struct sock *parent, *sk;
+	struct sock *parent;
+	struct sock *sk = conn->sk;
 
 	BT_DBG("conn %p", conn);
 
 	sco_conn_lock(conn);
 
-	if ((sk = conn->sk)) {
+	if (sk) {
 		sco_sock_clear_timer(sk);
 		bh_lock_sock(sk);
 		sk->sk_state = BT_CONNECTED;

net/mac80211/agg-rx.c

@@ -129,9 +129,7 @@ static void sta_rx_agg_reorder_timer_expired(unsigned long data)
 			timer_to_tid[0]);
 
 	rcu_read_lock();
-	spin_lock(&sta->lock);
 	ieee80211_release_reorder_timeout(sta, *ptid);
-	spin_unlock(&sta->lock);
 	rcu_read_unlock();
 }
 
@@ -256,7 +254,7 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
 	}
 
 	/* prepare A-MPDU MLME for Rx aggregation */
-	tid_agg_rx = kmalloc(sizeof(struct tid_ampdu_rx), GFP_ATOMIC);
+	tid_agg_rx = kmalloc(sizeof(struct tid_ampdu_rx), GFP_KERNEL);
 	if (!tid_agg_rx) {
 #ifdef CONFIG_MAC80211_HT_DEBUG
 		if (net_ratelimit())
@@ -280,9 +278,9 @@ void ieee80211_process_addba_request(struct ieee80211_local *local,
 
 	/* prepare reordering buffer */
 	tid_agg_rx->reorder_buf =
-		kcalloc(buf_size, sizeof(struct sk_buff *), GFP_ATOMIC);
+		kcalloc(buf_size, sizeof(struct sk_buff *), GFP_KERNEL);
 	tid_agg_rx->reorder_time =
-		kcalloc(buf_size, sizeof(unsigned long), GFP_ATOMIC);
+		kcalloc(buf_size, sizeof(unsigned long), GFP_KERNEL);
 	if (!tid_agg_rx->reorder_buf || !tid_agg_rx->reorder_time) {
 #ifdef CONFIG_MAC80211_HT_DEBUG
 		if (net_ratelimit())

net/mac80211/cfg.c

@@ -1551,27 +1551,54 @@ static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
 	return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
 }
 
+static enum work_done_result
+ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb)
+{
+	/*
+	 * Use the data embedded in the work struct for reporting
+	 * here so if the driver mangled the SKB before dropping
+	 * it (which is the only way we really should get here)
+	 * then we don't report mangled data.
+	 *
+	 * If there was no wait time, then by the time we get here
+	 * the driver will likely not have reported the status yet,
+	 * so in that case userspace will have to deal with it.
+	 */
+
+	if (wk->offchan_tx.wait && wk->offchan_tx.frame)
+		cfg80211_mgmt_tx_status(wk->sdata->dev,
+					(unsigned long) wk->offchan_tx.frame,
+					wk->ie, wk->ie_len, false, GFP_KERNEL);
+
+	return WORK_DONE_DESTROY;
+}
+
 static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
-			     struct ieee80211_channel *chan,
+			     struct ieee80211_channel *chan, bool offchan,
 			     enum nl80211_channel_type channel_type,
-			     bool channel_type_valid,
+			     bool channel_type_valid, unsigned int wait,
 			     const u8 *buf, size_t len, u64 *cookie)
 {
 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 	struct ieee80211_local *local = sdata->local;
 	struct sk_buff *skb;
 	struct sta_info *sta;
+	struct ieee80211_work *wk;
 	const struct ieee80211_mgmt *mgmt = (void *)buf;
 	u32 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX |
 		    IEEE80211_TX_CTL_REQ_TX_STATUS;
+	bool is_offchan = false;
 
 	/* Check that we are on the requested channel for transmission */
 	if (chan != local->tmp_channel &&
 	    chan != local->oper_channel)
-		return -EBUSY;
+		is_offchan = true;
 	if (channel_type_valid &&
 	    (channel_type != local->tmp_channel_type &&
 	     channel_type != local->_oper_channel_type))
+		is_offchan = true;
+
+	if (is_offchan && !offchan)
 		return -EBUSY;
 
 	switch (sdata->vif.type) {
@@ -1605,12 +1632,70 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev,
 	IEEE80211_SKB_CB(skb)->flags = flags;
 
 	skb->dev = sdata->dev;
-	ieee80211_tx_skb(sdata, skb);
 
 	*cookie = (unsigned long) skb;
+
+	/*
+	 * Can transmit right away if the channel was the
+	 * right one and there's no wait involved... If a
+	 * wait is involved, we might otherwise not be on
+	 * the right channel for long enough!
+	 */
+	if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) {
+		ieee80211_tx_skb(sdata, skb);
+		return 0;
+	}
+
+	wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL);
+	if (!wk) {
+		kfree_skb(skb);
+		return -ENOMEM;
+	}
+
+	wk->type = IEEE80211_WORK_OFFCHANNEL_TX;
+	wk->chan = chan;
+	wk->sdata = sdata;
+	wk->done = ieee80211_offchan_tx_done;
+	wk->offchan_tx.frame = skb;
+	wk->offchan_tx.wait = wait;
+	wk->ie_len = len;
+	memcpy(wk->ie, buf, len);
+
+	ieee80211_add_work(wk);
 	return 0;
 }
 
+static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy,
+					 struct net_device *dev,
+					 u64 cookie)
+{
+	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+	struct ieee80211_local *local = sdata->local;
+	struct ieee80211_work *wk;
+	int ret = -ENOENT;
+
+	mutex_lock(&local->mtx);
+	list_for_each_entry(wk, &local->work_list, list) {
+		if (wk->sdata != sdata)
+			continue;
+
+		if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX)
+			continue;
+
+		if (cookie != (unsigned long) wk->offchan_tx.frame)
+			continue;
+
+		wk->timeout = jiffies;
+
+		ieee80211_queue_work(&local->hw, &local->work_work);
+		ret = 0;
+		break;
+	}
+	mutex_unlock(&local->mtx);
+
+	return ret;
+}
+
 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
 					  struct net_device *dev,
 					  u16 frame_type, bool reg)
@@ -1695,6 +1780,7 @@ struct cfg80211_ops mac80211_config_ops = {
 	.remain_on_channel = ieee80211_remain_on_channel,
 	.cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
 	.mgmt_tx = ieee80211_mgmt_tx,
+	.mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
 	.set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
 	.mgmt_frame_register = ieee80211_mgmt_frame_register,
 	.set_antenna = ieee80211_set_antenna,

net/mac80211/debugfs_sta.c

@@ -112,34 +112,35 @@ static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
 	char buf[71 + STA_TID_NUM * 40], *p = buf;
 	int i;
 	struct sta_info *sta = file->private_data;
+	struct tid_ampdu_rx *tid_rx;
+	struct tid_ampdu_tx *tid_tx;
+
+	rcu_read_lock();
 
-	spin_lock_bh(&sta->lock);
 	p += scnprintf(p, sizeof(buf) + buf - p, "next dialog_token: %#02x\n",
 			sta->ampdu_mlme.dialog_token_allocator + 1);
 	p += scnprintf(p, sizeof(buf) + buf - p,
 		       "TID\t\tRX active\tDTKN\tSSN\t\tTX\tDTKN\tpending\n");
+
 	for (i = 0; i < STA_TID_NUM; i++) {
+		tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[i]);
+		tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[i]);
+
 		p += scnprintf(p, sizeof(buf) + buf - p, "%02d", i);
-		p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x",
-				!!sta->ampdu_mlme.tid_rx[i]);
+		p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", !!tid_rx);
 		p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x",
-				sta->ampdu_mlme.tid_rx[i] ?
-				sta->ampdu_mlme.tid_rx[i]->dialog_token : 0);
+				tid_rx ? tid_rx->dialog_token : 0);
 		p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.3x",
-				sta->ampdu_mlme.tid_rx[i] ?
-				sta->ampdu_mlme.tid_rx[i]->ssn : 0);
+				tid_rx ? tid_rx->ssn : 0);
 
-		p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x",
-				!!sta->ampdu_mlme.tid_tx[i]);
+		p += scnprintf(p, sizeof(buf) + buf - p, "\t\t%x", !!tid_tx);
 		p += scnprintf(p, sizeof(buf) + buf - p, "\t%#.2x",
-				sta->ampdu_mlme.tid_tx[i] ?
-				sta->ampdu_mlme.tid_tx[i]->dialog_token : 0);
+				tid_tx ? tid_tx->dialog_token : 0);
 		p += scnprintf(p, sizeof(buf) + buf - p, "\t%03d",
-				sta->ampdu_mlme.tid_tx[i] ?
-				skb_queue_len(&sta->ampdu_mlme.tid_tx[i]->pending) : 0);
+				tid_tx ? skb_queue_len(&tid_tx->pending) : 0);
 		p += scnprintf(p, sizeof(buf) + buf - p, "\n");
 	}
-	spin_unlock_bh(&sta->lock);
+	rcu_read_unlock();
 
 	return simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
 }

net/mac80211/ieee80211_i.h

@@ -260,6 +260,7 @@ enum ieee80211_work_type {
 	IEEE80211_WORK_ASSOC_BEACON_WAIT,
 	IEEE80211_WORK_ASSOC,
 	IEEE80211_WORK_REMAIN_ON_CHANNEL,
+	IEEE80211_WORK_OFFCHANNEL_TX,
 };
 
 /**
@@ -320,6 +321,10 @@ struct ieee80211_work {
 		struct {
 			u32 duration;
 		} remain;
+		struct {
+			struct sk_buff *frame;
+			u32 wait;
+		} offchan_tx;
 	};
 
 	int ie_len;

net/mac80211/rx.c

@@ -538,6 +538,8 @@ static void ieee80211_release_reorder_frame(struct ieee80211_hw *hw,
 {
 	struct sk_buff *skb = tid_agg_rx->reorder_buf[index];
 
+	lockdep_assert_held(&tid_agg_rx->reorder_lock);
+
 	if (!skb)
 		goto no_frame;
 
@@ -557,6 +559,8 @@ static void ieee80211_release_reorder_frames(struct ieee80211_hw *hw,
 {
 	int index;
 
+	lockdep_assert_held(&tid_agg_rx->reorder_lock);
+
 	while (seq_less(tid_agg_rx->head_seq_num, head_seq_num)) {
 		index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
 							tid_agg_rx->buf_size;
@@ -581,6 +585,8 @@ static void ieee80211_sta_reorder_release(struct ieee80211_hw *hw,
 {
 	int index, j;
 
+	lockdep_assert_held(&tid_agg_rx->reorder_lock);
+
 	/* release the buffer until next missing frame */
 	index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
 						tid_agg_rx->buf_size;
@@ -683,10 +689,11 @@ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
 	int index;
 	bool ret = true;
 
+	spin_lock(&tid_agg_rx->reorder_lock);
+
 	buf_size = tid_agg_rx->buf_size;
 	head_seq_num = tid_agg_rx->head_seq_num;
 
-	spin_lock(&tid_agg_rx->reorder_lock);
 	/* frame with out of date sequence number */
 	if (seq_less(mpdu_seq_num, head_seq_num)) {
 		dev_kfree_skb(skb);
@@ -1870,9 +1877,8 @@ ieee80211_rx_h_data(struct ieee80211_rx_data *rx)
 	dev->stats.rx_packets++;
 	dev->stats.rx_bytes += rx->skb->len;
 
-	if (ieee80211_is_data(hdr->frame_control) &&
-	    !is_multicast_ether_addr(hdr->addr1) &&
-	    local->hw.conf.dynamic_ps_timeout > 0 && local->ps_sdata) {
+	if (local->ps_sdata && local->hw.conf.dynamic_ps_timeout > 0 &&
+	    !is_multicast_ether_addr(((struct ethhdr *)rx->skb->data)->h_dest)) {
 			mod_timer(&local->dynamic_ps_timer, jiffies +
 			 msecs_to_jiffies(local->hw.conf.dynamic_ps_timeout));
 	}
@@ -1921,9 +1927,12 @@ ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx, struct sk_buff_head *frames)
 			mod_timer(&tid_agg_rx->session_timer,
 				  TU_TO_EXP_TIME(tid_agg_rx->timeout));
 
+		spin_lock(&tid_agg_rx->reorder_lock);
 		/* release stored frames up to start of BAR */
 		ieee80211_release_reorder_frames(hw, tid_agg_rx, start_seq_num,
 						 frames);
+		spin_unlock(&tid_agg_rx->reorder_lock);
+
 		kfree_skb(skb);
 		return RX_QUEUED;
 	}
@@ -2519,9 +2528,8 @@ static void ieee80211_invoke_rx_handlers(struct ieee80211_rx_data *rx)
 }
 
 /*
- * This function makes calls into the RX path. Therefore the
- * caller must hold the sta_info->lock and everything has to
- * be under rcu_read_lock protection as well.
+ * This function makes calls into the RX path, therefore
+ * it has to be invoked under RCU read lock.
  */
 void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid)
 {

net/mac80211/sta_info.h

@@ -81,13 +81,14 @@ enum ieee80211_sta_info_flags {
  * @stop_initiator: initiator of a session stop
  * @tx_stop: TX DelBA frame when stopping
  *
- * This structure is protected by RCU and the per-station
- * spinlock. Assignments to the array holding it must hold
- * the spinlock, only the TX path can access it under RCU
- * lock-free if, and only if, the state has  the flag
- * %HT_AGG_STATE_OPERATIONAL set. Otherwise, the TX path
- * must also acquire the spinlock and re-check the state,
- * see comments in the tx code touching it.
+ * This structure's lifetime is managed by RCU, assignments to
+ * the array holding it must hold the aggregation mutex.
+ *
+ * The TX path can access it under RCU lock-free if, and
+ * only if, the state has the flag %HT_AGG_STATE_OPERATIONAL
+ * set. Otherwise, the TX path must also acquire the spinlock
+ * and re-check the state, see comments in the tx code
+ * touching it.
  */
 struct tid_ampdu_tx {
 	struct rcu_head rcu_head;
@@ -115,15 +116,13 @@ struct tid_ampdu_tx {
  * @rcu_head: RCU head used for freeing this struct
  * @reorder_lock: serializes access to reorder buffer, see below.
  *
- * This structure is protected by RCU and the per-station
- * spinlock. Assignments to the array holding it must hold
- * the spinlock.
+ * This structure's lifetime is managed by RCU, assignments to
+ * the array holding it must hold the aggregation mutex.
  *
- * The @reorder_lock is used to protect the variables and
- * arrays such as @reorder_buf, @reorder_time, @head_seq_num,
- * @stored_mpdu_num and @reorder_time from being corrupted by
- * concurrent access of the RX path and the expired frame
- * release timer.
+ * The @reorder_lock is used to protect the members of this
+ * struct, except for @timeout, @buf_size and @dialog_token,
+ * which are constant across the lifetime of the struct (the
+ * dialog token being used only for debugging).
  */
 struct tid_ampdu_rx {
 	struct rcu_head rcu_head;

net/mac80211/status.c

@@ -321,10 +321,23 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 					msecs_to_jiffies(10));
 	}
 
-	if (info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX)
+	if (info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX) {
+		struct ieee80211_work *wk;
+
+		rcu_read_lock();
+		list_for_each_entry_rcu(wk, &local->work_list, list) {
+			if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX)
+				continue;
+			if (wk->offchan_tx.frame != skb)
+				continue;
+			wk->offchan_tx.frame = NULL;
+			break;
+		}
+		rcu_read_unlock();
 		cfg80211_mgmt_tx_status(
 			skb->dev, (unsigned long) skb, skb->data, skb->len,
 			!!(info->flags & IEEE80211_TX_STAT_ACK), GFP_ATOMIC);
+	}
 
 	/* this was a transmitted frame, but now we want to reuse it */
 	skb_orphan(skb);

net/mac80211/work.c

@@ -560,6 +560,25 @@ ieee80211_remain_on_channel_timeout(struct ieee80211_work *wk)
 	return WORK_ACT_TIMEOUT;
 }
 
+static enum work_action __must_check
+ieee80211_offchannel_tx(struct ieee80211_work *wk)
+{
+	if (!wk->started) {
+		wk->timeout = jiffies + msecs_to_jiffies(wk->offchan_tx.wait);
+
+		/*
+		 * After this, offchan_tx.frame remains but now is no
+		 * longer a valid pointer -- we still need it as the
+		 * cookie for canceling this work.
+		 */
+		ieee80211_tx_skb(wk->sdata, wk->offchan_tx.frame);
+
+		return WORK_ACT_NONE;
+	}
+
+	return WORK_ACT_TIMEOUT;
+}
+
 static enum work_action __must_check
 ieee80211_assoc_beacon_wait(struct ieee80211_work *wk)
 {
@@ -955,6 +974,9 @@ static void ieee80211_work_work(struct work_struct *work)
 		case IEEE80211_WORK_REMAIN_ON_CHANNEL:
 			rma = ieee80211_remain_on_channel_timeout(wk);
 			break;
+		case IEEE80211_WORK_OFFCHANNEL_TX:
+			rma = ieee80211_offchannel_tx(wk);
+			break;
 		case IEEE80211_WORK_ASSOC_BEACON_WAIT:
 			rma = ieee80211_assoc_beacon_wait(wk);
 			break;

net/wireless/core.h

@@ -341,9 +341,9 @@ void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid);
 void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev);
 int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
 			  struct net_device *dev,
-			  struct ieee80211_channel *chan,
+			  struct ieee80211_channel *chan, bool offchan,
 			  enum nl80211_channel_type channel_type,
-			  bool channel_type_valid,
+			  bool channel_type_valid, unsigned int wait,
 			  const u8 *buf, size_t len, u64 *cookie);
 
 /* SME */

net/wireless/mlme.c

@@ -864,9 +864,9 @@ void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev)
 
 int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
 			  struct net_device *dev,
-			  struct ieee80211_channel *chan,
+			  struct ieee80211_channel *chan, bool offchan,
 			  enum nl80211_channel_type channel_type,
-			  bool channel_type_valid,
+			  bool channel_type_valid, unsigned int wait,
 			  const u8 *buf, size_t len, u64 *cookie)
 {
 	struct wireless_dev *wdev = dev->ieee80211_ptr;
@@ -946,8 +946,9 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
 		return -EINVAL;
 
 	/* Transmit the Action frame as requested by user space */
-	return rdev->ops->mgmt_tx(&rdev->wiphy, dev, chan, channel_type,
-				  channel_type_valid, buf, len, cookie);
+	return rdev->ops->mgmt_tx(&rdev->wiphy, dev, chan, offchan,
+				  channel_type, channel_type_valid,
+				  wait, buf, len, cookie);
 }
 
 bool cfg80211_rx_mgmt(struct net_device *dev, int freq, const u8 *buf,

net/wireless/nl80211.c

@@ -163,16 +163,13 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
 	[NL80211_ATTR_CQM] = { .type = NLA_NESTED, },
 	[NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG },
 	[NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 },
-
 	[NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 },
 	[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 },
-
 	[NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 },
-
 	[NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 },
 	[NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 },
-
 	[NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 },
+	[NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG },
 };
 
 /* policy for the key attributes */
@@ -677,6 +674,7 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
 	CMD(remain_on_channel, REMAIN_ON_CHANNEL);
 	CMD(set_bitrate_mask, SET_TX_BITRATE_MASK);
 	CMD(mgmt_tx, FRAME);
+	CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL);
 	if (dev->wiphy.flags & WIPHY_FLAG_NETNS_OK) {
 		i++;
 		NLA_PUT_U32(msg, i, NL80211_CMD_SET_WIPHY_NETNS);
@@ -698,6 +696,10 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
 
 	nla_nest_end(msg, nl_cmds);
 
+	/* for now at least assume all drivers have it */
+	if (dev->ops->mgmt_tx)
+		NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK);
+
 	if (mgmt_stypes) {
 		u16 stypes;
 		struct nlattr *nl_ftypes, *nl_ifs;
@@ -4244,6 +4246,8 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
 	void *hdr;
 	u64 cookie;
 	struct sk_buff *msg;
+	unsigned int wait = 0;
+	bool offchan;
 
 	if (!info->attrs[NL80211_ATTR_FRAME] ||
 	    !info->attrs[NL80211_ATTR_WIPHY_FREQ])
@@ -4260,6 +4264,12 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
 	    dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
 		return -EOPNOTSUPP;
 
+	if (info->attrs[NL80211_ATTR_DURATION]) {
+		if (!rdev->ops->mgmt_tx_cancel_wait)
+			return -EINVAL;
+		wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]);
+	}
+
 	if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
 		channel_type = nla_get_u32(
 			info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
@@ -4271,6 +4281,8 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
 		channel_type_valid = true;
 	}
 
+	offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK];
+
 	freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
 	chan = rdev_freq_to_chan(rdev, freq, channel_type);
 	if (chan == NULL)
@@ -4287,8 +4299,8 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
 		err = PTR_ERR(hdr);
 		goto free_msg;
 	}
-	err = cfg80211_mlme_mgmt_tx(rdev, dev, chan, channel_type,
-				    channel_type_valid,
+	err = cfg80211_mlme_mgmt_tx(rdev, dev, chan, offchan, channel_type,
+				    channel_type_valid, wait,
 				    nla_data(info->attrs[NL80211_ATTR_FRAME]),
 				    nla_len(info->attrs[NL80211_ATTR_FRAME]),
 				    &cookie);
@@ -4307,6 +4319,31 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
 	return err;
 }
 
+static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *rdev = info->user_ptr[0];
+	struct net_device *dev = info->user_ptr[1];
+	u64 cookie;
+
+	if (!info->attrs[NL80211_ATTR_COOKIE])
+		return -EINVAL;
+
+	if (!rdev->ops->mgmt_tx_cancel_wait)
+		return -EOPNOTSUPP;
+
+	if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION &&
+	    dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC &&
+	    dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT &&
+	    dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
+	    dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
+	    dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
+		return -EOPNOTSUPP;
+
+	cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]);
+
+	return rdev->ops->mgmt_tx_cancel_wait(&rdev->wiphy, dev, cookie);
+}
+
 static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info)
 {
 	struct cfg80211_registered_device *rdev = info->user_ptr[0];
@@ -4879,6 +4916,14 @@ static struct genl_ops nl80211_ops[] = {
 		.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
 				  NL80211_FLAG_NEED_RTNL,
 	},
+	{
+		.cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
+		.doit = nl80211_tx_mgmt_cancel_wait,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+		.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
+				  NL80211_FLAG_NEED_RTNL,
+	},
 	{
 		.cmd = NL80211_CMD_SET_POWER_SAVE,
 		.doit = nl80211_set_power_save,