Staging: w35und: remove ->adapter from struct _HW_DATA_T

Eventually we want to pass a pointer to struct ieee80211_hw around in the
driver, so remove the bidirectional link between struct wb35_adapter and struct
_HW_DATA_T to simplify the code.

Acked-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/winbond/mds.c

@@ -176,7 +176,7 @@ Mds_Tx(struct wb35_adapter * adapter)
 	// Start to send by lower module
 	//
 	if (!pHwData->IsKeyPreSet)
-		Wb35Tx_start(pHwData);
+		Wb35Tx_start(adapter);
 
  cleanup:
 	atomic_dec(&pMds->TxThreadCount);

drivers/staging/winbond/wb35tx.c

@@ -23,23 +23,24 @@ Wb35Tx_get_tx_buffer(phw_data_t pHwData, u8 **pBuffer)
 	return true;
 }
 
-void Wb35Tx_start(phw_data_t pHwData)
+void Wb35Tx_start(struct wb35_adapter *adapter)
 {
+	phw_data_t pHwData = &adapter->sHwData;
 	PWB35TX pWb35Tx = &pHwData->Wb35Tx;
 
 	// Allow only one thread to run into function
 	if (atomic_inc_return(&pWb35Tx->TxFireCounter) == 1) {
 		pWb35Tx->EP4vm_state = VM_RUNNING;
-		Wb35Tx(pHwData);
+		Wb35Tx(adapter);
 	} else
 		atomic_dec(&pWb35Tx->TxFireCounter);
 }
 
 
-void Wb35Tx(phw_data_t pHwData)
+void Wb35Tx(struct wb35_adapter *adapter)
 {
+	phw_data_t	pHwData = &adapter->sHwData;
 	PWB35TX		pWb35Tx = &pHwData->Wb35Tx;
-	struct wb35_adapter *adapter = pHwData->adapter;
 	u8		*pTxBufferAddress;
 	PMDS		pMds = &adapter->Mds;
 	struct urb *	pUrb = (struct urb *)pWb35Tx->Tx4Urb;
@@ -65,7 +66,7 @@ void Wb35Tx(phw_data_t pHwData)
 	usb_fill_bulk_urb(pUrb, pHwData->WbUsb.udev,
 			  usb_sndbulkpipe(pHwData->WbUsb.udev, 4),
 			  pTxBufferAddress, pMds->TxBufferSize[ SendIndex ],
-			  Wb35Tx_complete, pHwData);
+			  Wb35Tx_complete, adapter);
 
 	pWb35Tx->EP4vm_state = VM_RUNNING;
 	retv = usb_submit_urb(pUrb, GFP_ATOMIC);
@@ -77,7 +78,7 @@ void Wb35Tx(phw_data_t pHwData)
 	// Check if driver needs issue Irp for EP2
 	pWb35Tx->TxFillCount += pMds->TxCountInBuffer[SendIndex];
 	if (pWb35Tx->TxFillCount > 12)
-		Wb35Tx_EP2VM_start( pHwData );
+		Wb35Tx_EP2VM_start(adapter);
 
 	pWb35Tx->ByteTransfer += pMds->TxBufferSize[SendIndex];
 	return;
@@ -90,8 +91,8 @@ void Wb35Tx(phw_data_t pHwData)
 
 void Wb35Tx_complete(struct urb * pUrb)
 {
-	phw_data_t	pHwData = pUrb->context;
-	struct wb35_adapter *adapter = pHwData->adapter;
+	struct wb35_adapter *adapter = pUrb->context;
+	phw_data_t	pHwData = &adapter->sHwData;
 	PWB35TX		pWb35Tx = &pHwData->Wb35Tx;
 	PMDS		pMds = &adapter->Mds;
 
@@ -117,7 +118,7 @@ void Wb35Tx_complete(struct urb * pUrb)
 	}
 
 	Mds_Tx(adapter);
-	Wb35Tx(pHwData);
+	Wb35Tx(adapter);
 	return;
 
 error:
@@ -193,8 +194,9 @@ void Wb35Tx_destroy(phw_data_t pHwData)
 	#endif
 }
 
-void Wb35Tx_CurrentTime(phw_data_t pHwData, u32 TimeCount)
+void Wb35Tx_CurrentTime(struct wb35_adapter *adapter, u32 TimeCount)
 {
+	phw_data_t pHwData = &adapter->sHwData;
 	PWB35TX pWb35Tx = &pHwData->Wb35Tx;
 	unsigned char Trigger = false;
 
@@ -205,26 +207,28 @@ void Wb35Tx_CurrentTime(phw_data_t pHwData, u32 TimeCount)
 
 	if (Trigger) {
 		pWb35Tx->TxTimer = TimeCount;
-		Wb35Tx_EP2VM_start( pHwData );
+		Wb35Tx_EP2VM_start(adapter);
 	}
 }
 
-void Wb35Tx_EP2VM_start(phw_data_t pHwData)
+void Wb35Tx_EP2VM_start(struct wb35_adapter *adapter)
 {
+	phw_data_t pHwData = &adapter->sHwData;
 	PWB35TX pWb35Tx = &pHwData->Wb35Tx;
 
 	// Allow only one thread to run into function
 	if (atomic_inc_return(&pWb35Tx->TxResultCount) == 1) {
 		pWb35Tx->EP2vm_state = VM_RUNNING;
-		Wb35Tx_EP2VM( pHwData );
+		Wb35Tx_EP2VM(adapter);
 	}
 	else
 		atomic_dec(&pWb35Tx->TxResultCount);
 }
 
 
-void Wb35Tx_EP2VM(phw_data_t pHwData)
+void Wb35Tx_EP2VM(struct wb35_adapter *adapter)
 {
+	phw_data_t	pHwData = &adapter->sHwData;
 	PWB35TX pWb35Tx = &pHwData->Wb35Tx;
 	struct urb *	pUrb = (struct urb *)pWb35Tx->Tx2Urb;
 	u32 *	pltmp = (u32 *)pWb35Tx->EP2_buf;
@@ -240,7 +244,7 @@ void Wb35Tx_EP2VM(phw_data_t pHwData)
 	// Issuing URB
 	//
 	usb_fill_int_urb( pUrb, pHwData->WbUsb.udev, usb_rcvintpipe(pHwData->WbUsb.udev,2),
-			  pltmp, MAX_INTERRUPT_LENGTH, Wb35Tx_EP2VM_complete, pHwData, 32);
+			  pltmp, MAX_INTERRUPT_LENGTH, Wb35Tx_EP2VM_complete, adapter, 32);
 
 	pWb35Tx->EP2vm_state = VM_RUNNING;
 	retv = usb_submit_urb(pUrb, GFP_ATOMIC);
@@ -261,9 +265,9 @@ error:
 
 void Wb35Tx_EP2VM_complete(struct urb * pUrb)
 {
-	phw_data_t	pHwData = pUrb->context;
+	struct wb35_adapter *adapter = pUrb->context;
+	phw_data_t	pHwData = &adapter->sHwData;
 	T02_DESCRIPTOR	T02, TSTATUS;
-	struct wb35_adapter *adapter = pHwData->adapter;
 	PWB35TX		pWb35Tx = &pHwData->Wb35Tx;
 	u32 *		pltmp = (u32 *)pWb35Tx->EP2_buf;
 	u32		i;

drivers/staging/winbond/wb35tx_f.h

@@ -1,6 +1,7 @@
 #ifndef __WINBOND_WB35TX_F_H
 #define __WINBOND_WB35TX_F_H
 
+#include "adapter.h"
 #include "wbhal_f.h"
 
 //====================================
@@ -10,16 +11,16 @@ unsigned char Wb35Tx_initial(	 phw_data_t pHwData );
 void Wb35Tx_destroy(  phw_data_t pHwData );
 unsigned char Wb35Tx_get_tx_buffer(  phw_data_t pHwData,  u8 **pBuffer );
 
-void Wb35Tx_EP2VM(  phw_data_t pHwData );
-void Wb35Tx_EP2VM_start(  phw_data_t pHwData );
+void Wb35Tx_EP2VM(struct wb35_adapter *adapter);
+void Wb35Tx_EP2VM_start(struct wb35_adapter *adapter);
 void Wb35Tx_EP2VM_complete(struct urb *urb);
 
-void Wb35Tx_start(  phw_data_t pHwData );
+void Wb35Tx_start(struct wb35_adapter *adapter);
 void Wb35Tx_stop(  phw_data_t pHwData );
-void Wb35Tx(  phw_data_t pHwData );
+void Wb35Tx(struct wb35_adapter *adapter);
 void Wb35Tx_complete(struct urb *urb);
 void Wb35Tx_reset_descriptor(  phw_data_t pHwData );
 
-void Wb35Tx_CurrentTime(  phw_data_t pHwData,  u32 TimeCount );
+void Wb35Tx_CurrentTime(struct wb35_adapter *adapter,  u32 TimeCount);
 
 #endif

drivers/staging/winbond/wbhal.c

@@ -32,8 +32,8 @@ void hal_get_permanent_address( phw_data_t pHwData, u8 *pethernet_address )
 
 static void hal_led_control(unsigned long data)
 {
-	phw_data_t pHwData = (phw_data_t) data;
-	struct wb35_adapter *	adapter = pHwData->adapter;
+	struct wb35_adapter *adapter = (struct wb35_adapter *) data;
+	phw_data_t pHwData = &adapter->sHwData;
 	struct wb35_reg *reg = &pHwData->reg;
 	u32	LEDSet = (pHwData->SoftwareSet & HAL_LED_SET_MASK) >> HAL_LED_SET_SHIFT;
 	u8	LEDgray[20] = { 0,3,4,6,8,10,11,12,13,14,15,14,13,12,11,10,8,6,4,2 };
@@ -310,7 +310,7 @@ static void hal_led_control(unsigned long data)
 	}
 
 	pHwData->time_count += TimeInterval;
-	Wb35Tx_CurrentTime( pHwData, pHwData->time_count ); // 20060928 add
+	Wb35Tx_CurrentTime(adapter, pHwData->time_count); // 20060928 add
 	pHwData->LEDTimer.expires = jiffies + msecs_to_jiffies(TimeInterval);
 	add_timer(&pHwData->LEDTimer);
 }
@@ -319,7 +319,6 @@ static void hal_led_control(unsigned long data)
 u8 hal_init_hardware(phw_data_t pHwData, struct wb35_adapter * adapter)
 {
 	u16 SoftwareSet;
-	pHwData->adapter = adapter;
 
 	// Initial the variable
 	pHwData->MaxReceiveLifeTime = DEFAULT_MSDU_LIFE_TIME; // Setting Rx maximum MSDU life time
@@ -334,7 +333,7 @@ u8 hal_init_hardware(phw_data_t pHwData, struct wb35_adapter * adapter)
 				pHwData->InitialResource = 4;
 				init_timer(&pHwData->LEDTimer);
 				pHwData->LEDTimer.function = hal_led_control;
-				pHwData->LEDTimer.data = (unsigned long) pHwData;
+				pHwData->LEDTimer.data = (unsigned long) adapter;
 				pHwData->LEDTimer.expires = jiffies + msecs_to_jiffies(1000);
 				add_timer(&pHwData->LEDTimer);
 
@@ -351,7 +350,7 @@ u8 hal_init_hardware(phw_data_t pHwData, struct wb35_adapter * adapter)
 				#endif
 
 				Wb35Rx_start( pHwData );
-				Wb35Tx_EP2VM_start( pHwData );
+				Wb35Tx_EP2VM_start(adapter);
 
 				return true;
 			}
@@ -672,13 +671,13 @@ s32 hal_get_rssi(  phw_data_t pHwData,  u32 *HalRssiArry,  u8 Count )
 	return ltmp;
 }
 //----------------------------------------------------------------------------------------------------
-s32 hal_get_rssi_bss(  phw_data_t pHwData,  u16 idx,  u8 Count )
+s32 hal_get_rssi_bss(struct wb35_adapter *adapter,  u16 idx,  u8 Count)
 {
+	phw_data_t pHwData = &adapter->sHwData;
 	struct wb35_reg *reg = &pHwData->reg;
 	R01_DESCRIPTOR	r01;
 	s32 ltmp = 0, tmp;
 	u8	i, j;
-	struct wb35_adapter *	adapter = pHwData->adapter;
 //	u32 *HalRssiArry = psBSS(idx)->HalRssi;
 
 	if( pHwData->SurpriseRemove ) return -200;
@@ -842,9 +841,10 @@ void hal_system_power_change(phw_data_t pHwData, u32 PowerState)
 	}
 }
 
-void hal_surprise_remove(  phw_data_t pHwData )
+void hal_surprise_remove(struct wb35_adapter *adapter)
 {
-	struct wb35_adapter * adapter = pHwData->adapter;
+	phw_data_t pHwData = &adapter->sHwData;
+
 	if (atomic_inc_return( &pHwData->SurpriseRemoveCount ) == 1) {
 		#ifdef _PE_STATE_DUMP_
 		WBDEBUG(("Calling hal_surprise_remove\n"));
@@ -853,9 +853,9 @@ void hal_surprise_remove(  phw_data_t pHwData )
 	}
 }
 
-void hal_rate_change(  phw_data_t pHwData ) // Notify the HAL rate is changing 20060613.1
+void hal_rate_change(struct wb35_adapter *adapter) // Notify the HAL rate is changing 20060613.1
 {
-	struct wb35_adapter *	adapter = pHwData->adapter;
+	phw_data_t pHwData = &adapter->sHwData;
 	u8		rate = CURRENT_TX_RATE;
 
 	BBProcessor_RateChanging( pHwData, rate );

drivers/staging/winbond/wbhal_f.h

@@ -61,7 +61,7 @@ void hal_set_cwmax(  phw_data_t pHwData,  u16 cwin_max );
 void hal_set_rsn_wpa(  phw_data_t pHwData,  u32 * RSN_IE_Bitmap , u32 * RSN_OUI_type , unsigned char bDesiredAuthMode);
 //s32 hal_get_rssi(  phw_data_t pHwData,  u32 HalRssi );
 s32 hal_get_rssi(  phw_data_t pHwData,  u32 *HalRssiArry,  u8 Count );
-s32 hal_get_rssi_bss(  phw_data_t pHwData,  u16 idx,  u8 Count );
+s32 hal_get_rssi_bss(struct wb35_adapter *adapter,  u16 idx,  u8 Count);
 void hal_set_connect_info(  phw_data_t pHwData,  unsigned char boConnect );
 u8 hal_get_est_sq3(  phw_data_t pHwData,  u8 Count );
 void hal_set_rf_power(  phw_data_t pHwData,  u8 PowerIndex ); // 20060621 Modify
@@ -82,13 +82,13 @@ u8 hal_get_hw_radio_off			(  phw_data_t pHwData );
 #define hal_scan_interval( _A )		(_A->Scan_Interval)
 void hal_scan_status_indicate(  phw_data_t pHwData, u8 status);	// 0: complete, 1: in progress
 void hal_system_power_change(  phw_data_t pHwData, u32 PowerState ); // 20051230 -=D0 1=D1 ..
-void hal_surprise_remove(  phw_data_t pHwData );
+void hal_surprise_remove(struct wb35_adapter *adapter);
 
 #define PHY_DEBUG( msg, args... )
 
 
 
-void hal_rate_change(  phw_data_t pHwData ); // Notify the HAL rate is changing 20060613.1
+void hal_rate_change(struct wb35_adapter *adapter); // Notify the HAL rate is changing 20060613.1
 unsigned char hal_get_dxx_reg(  phw_data_t pHwData,  u16 number,  u32 * pValue );
 unsigned char hal_set_dxx_reg(  phw_data_t pHwData,  u16 number,  u32 value );
 #define hal_get_time_count( _P )	(_P->time_count/10)	// return 100ms count

drivers/staging/winbond/wbhal_s.h

@@ -449,16 +449,6 @@ typedef struct _HW_DATA_T
 	u32	FragCount;
 	u32	DMAFix; //V1_DMA_FIX The variable can be removed if driver want to save mem space for V2.
 
-	//=======================================================================================
-	// For USB driver, hal need more variables. Due to
-	//	1. NDIS-WDM operation
-	//	2. The SME, MLME and OLD MDS need adapter structure, but the driver under HAL doesn't
-	//		have that parameter when receiving and indicating packet.
-	//		The MDS must input the adapter pointer as the second parameter of hal_init_hardware.
-	//		The function usage is different than PCI driver.
-	//=======================================================================================
-	void* adapter;
-
 	//===============================================
 	// Definition for MAC address
 	//===============================================