ath5k: Fix bad udelay calls on AR5210 code

 * Fix bad udelay calls (using > 2000us) in AR5210 code and clean up
 some bits on nic_reset (AR5210 support is still in bad shape)

 Changes-licensed-under: ISC
 Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>

Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath5k/phy.c

@@ -2124,7 +2124,7 @@ static int ath5k_hw_rf5110_calibrate(struct ath5k_hw *ah,
 	beacon = ath5k_hw_reg_read(ah, AR5K_BEACON_5210);
 	ath5k_hw_reg_write(ah, beacon & ~AR5K_BEACON_ENABLE, AR5K_BEACON_5210);
 
-	udelay(2300);
+	mdelay(2);
 
 	/*
 	 * Set the channel (with AGC turned off)

drivers/net/wireless/ath5k/reg.h

@@ -820,8 +820,6 @@
 #define AR5K_RESET_CTL_MAC	0x00000004	/* MAC reset (PCU+Baseband ?) [5210] */
 #define AR5K_RESET_CTL_PHY	0x00000008	/* PHY reset [5210] */
 #define AR5K_RESET_CTL_PCI	0x00000010	/* PCI Core reset (interrupts etc) */
-#define AR5K_RESET_CTL_CHIP	(AR5K_RESET_CTL_PCU | AR5K_RESET_CTL_DMA |	\
-				AR5K_RESET_CTL_MAC | AR5K_RESET_CTL_PHY)
 
 /*
  * Sleep control register

drivers/net/wireless/ath5k/reset.c

@@ -173,8 +173,10 @@ static int ath5k_hw_nic_reset(struct ath5k_hw *ah, u32 val)
 	udelay(15);
 
 	if (ah->ah_version == AR5K_AR5210) {
-		val &= AR5K_RESET_CTL_CHIP;
-		mask &= AR5K_RESET_CTL_CHIP;
+		val &= AR5K_RESET_CTL_PCU | AR5K_RESET_CTL_DMA
+			| AR5K_RESET_CTL_MAC | AR5K_RESET_CTL_PHY;
+		mask &= AR5K_RESET_CTL_PCU | AR5K_RESET_CTL_DMA
+			| AR5K_RESET_CTL_MAC | AR5K_RESET_CTL_PHY;
 	} else {
 		val &= AR5K_RESET_CTL_PCU | AR5K_RESET_CTL_BASEBAND;
 		mask &= AR5K_RESET_CTL_PCU | AR5K_RESET_CTL_BASEBAND;
@@ -361,16 +363,20 @@ int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial)
 	bus_flags = (pdev->is_pcie) ? 0 : AR5K_RESET_CTL_PCI;
 
 	/* Reset chipset */
-	ret = ath5k_hw_nic_reset(ah, AR5K_RESET_CTL_PCU |
-		AR5K_RESET_CTL_BASEBAND | bus_flags);
+	if (ah->ah_version == AR5K_AR5210) {
+		ret = ath5k_hw_nic_reset(ah, AR5K_RESET_CTL_PCU |
+			AR5K_RESET_CTL_MAC | AR5K_RESET_CTL_DMA |
+			AR5K_RESET_CTL_PHY | AR5K_RESET_CTL_PCI);
+			mdelay(2);
+	} else {
+		ret = ath5k_hw_nic_reset(ah, AR5K_RESET_CTL_PCU |
+			AR5K_RESET_CTL_BASEBAND | bus_flags);
+	}
 	if (ret) {
 		ATH5K_ERR(ah->ah_sc, "failed to reset the MAC Chip\n");
 		return -EIO;
 	}
 
-	if (ah->ah_version == AR5K_AR5210)
-		udelay(2300);
-
 	/* ...wakeup again!*/
 	ret = ath5k_hw_set_power(ah, AR5K_PM_AWAKE, true, 0);
 	if (ret) {