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SubjectRe: [PATCH] w35und: remove ->adapter from struct _HW_DATA_T
On Thu 2008-10-30 16:14:36, Pekka Enberg wrote:
> 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>
> ---
> drivers/staging/winbond/mds.c | 2 +-
> drivers/staging/winbond/wb35tx.c | 38 +++++++++++++++++++----------------
> drivers/staging/winbond/wb35tx_f.h | 11 +++++----
> drivers/staging/winbond/wbhal.c | 24 +++++++++++-----------
> drivers/staging/winbond/wbhal_f.h | 6 ++--
> drivers/staging/winbond/wbhal_s.h | 10 ---------
> 6 files changed, 43 insertions(+), 48 deletions(-)
>
> diff --git a/drivers/staging/winbond/mds.c b/drivers/staging/winbond/mds.c
> index a23b74e..af4fdf1 100644
> --- a/drivers/staging/winbond/mds.c
> +++ b/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);
> diff --git a/drivers/staging/winbond/wb35tx.c b/drivers/staging/winbond/wb35tx.c
> index af4a61f..ce7e981 100644
> --- a/drivers/staging/winbond/wb35tx.c
> +++ b/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;
> diff --git a/drivers/staging/winbond/wb35tx_f.h b/drivers/staging/winbond/wb35tx_f.h
> index 6aca4e9..466eb6f 100644
> --- a/drivers/staging/winbond/wb35tx_f.h
> +++ b/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
> diff --git a/drivers/staging/winbond/wbhal.c b/drivers/staging/winbond/wbhal.c
> index 752ce59..3b7e90b 100644
> --- a/drivers/staging/winbond/wbhal.c
> +++ b/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 );
> diff --git a/drivers/staging/winbond/wbhal_f.h b/drivers/staging/winbond/wbhal_f.h
> index d64fd17..4cb4da0 100644
> --- a/drivers/staging/winbond/wbhal_f.h
> +++ b/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
> diff --git a/drivers/staging/winbond/wbhal_s.h b/drivers/staging/winbond/wbhal_s.h
> index 995976a..276d2b1 100644
> --- a/drivers/staging/winbond/wbhal_s.h
> +++ b/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
> //===============================================

--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html


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