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Staging: w35und: remove atomic op wrappers

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Use the kernel provided atomic op functions and remove the OS_ATOMIC and
related wrapper macros.

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>
This commit is contained in:
Pekka Enberg 2008-10-29 20:10:32 +02:00 committed by Greg Kroah-Hartman
parent deee7c8164
commit 44e8541c5e
14 changed files with 30 additions and 67 deletions
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3
drivers/staging/winbond/adapter.h
View File

@ -32,11 +32,10 @@ struct wb35_adapter {
hw_data_t sHwData; //For HAL
MDS Mds;
spinlock_t AtomicSpinLock;
spinlock_t SpinLock;
u32 shutdown;
OS_ATOMIC ThreadCount;
atomic_t ThreadCount;
u32 LinkStatus; // OS_DISCONNECTED or OS_CONNECTED

8
drivers/staging/winbond/linux/common.h
View File

@ -73,14 +73,6 @@
#define OS_EVENT_INDICATE( _A, _B, _F )
#define OS_PMKID_STATUS_EVENT( _A )
/* Uff, no, longs are not atomic on all architectures Linux
* supports. This should really use atomic_t */
#define OS_ATOMIC u32
#define OS_ATOMIC_READ( _A, _V ) _V
#define OS_ATOMIC_INC( _A, _V ) EncapAtomicInc( _A, (void*)_V )
#define OS_ATOMIC_DEC( _A, _V ) EncapAtomicDec( _A, (void*)_V )
#define OS_MEMORY_CLEAR( _A, _S ) memset( (u8 *)_A,0,_S)
#define OS_MEMORY_COMPARE( _A, _B, _S ) (memcmp(_A,_B,_S)? 0 : 1) // Definition is reverse with Ndis 1: the same 0: different

8
drivers/staging/winbond/linux/wb35reg.c
View File

@ -386,11 +386,11 @@ Wb35Reg_EP0VM_start( phw_data_t pHwData )
{
struct wb35_reg *reg = &pHwData->reg;
if (OS_ATOMIC_INC( pHwData->adapter, &reg->RegFireCount) == 1) {
if (atomic_inc_return(&reg->RegFireCount) == 1) {
reg->EP0vm_state = VM_RUNNING;
Wb35Reg_EP0VM(pHwData);
} else
OS_ATOMIC_DEC( pHwData->adapter, &reg->RegFireCount );
atomic_dec(&reg->RegFireCount);
}
void
@ -447,7 +447,7 @@ Wb35Reg_EP0VM(phw_data_t pHwData )
cleanup:
reg->EP0vm_state = VM_STOP;
OS_ATOMIC_DEC( pHwData->adapter, &reg->RegFireCount );
atomic_dec(&reg->RegFireCount);
}
@ -465,7 +465,7 @@ Wb35Reg_EP0VM_complete(struct urb *urb)
if (pHwData->SurpriseRemove) { // Let WbWlanHalt to handle surprise remove
reg->EP0vm_state = VM_STOP;
OS_ATOMIC_DEC( pHwData->adapter, &reg->RegFireCount );
atomic_dec(&reg->RegFireCount);
} else {
// Complete to send, remove the URB from the first
spin_lock_irq( &reg->EP0VM_spin_lock );

2
drivers/staging/winbond/linux/wb35reg_s.h
View File

@ -142,7 +142,7 @@ struct wb35_reg {
u32 EP0VM_status;//$$
struct wb35_reg_queue *reg_first;
struct wb35_reg_queue *reg_last;
OS_ATOMIC RegFireCount;
atomic_t RegFireCount;
// Hardware status
u8 EP0vm_state;

9
drivers/staging/winbond/linux/wb35rx.c
View File

@ -10,17 +10,16 @@
//============================================================================
#include "sysdef.h"
void Wb35Rx_start(phw_data_t pHwData)
{
PWB35RX pWb35Rx = &pHwData->Wb35Rx;
// Allow only one thread to run into the Wb35Rx() function
if (OS_ATOMIC_INC(pHwData->adapter, &pWb35Rx->RxFireCounter) == 1) {
if (atomic_inc_return(&pWb35Rx->RxFireCounter) == 1) {
pWb35Rx->EP3vm_state = VM_RUNNING;
Wb35Rx(pHwData);
} else
OS_ATOMIC_DEC(pHwData->adapter, &pWb35Rx->RxFireCounter);
atomic_dec(&pWb35Rx->RxFireCounter);
}
// This function cannot reentrain
@ -82,7 +81,7 @@ void Wb35Rx( phw_data_t pHwData )
error:
// VM stop
pWb35Rx->EP3vm_state = VM_STOP;
OS_ATOMIC_DEC( pHwData->adapter, &pWb35Rx->RxFireCounter );
atomic_dec(&pWb35Rx->RxFireCounter);
}
void Wb35Rx_Complete(struct urb *urb)
@ -157,7 +156,7 @@ void Wb35Rx_Complete(struct urb *urb)
error:
pWb35Rx->RxOwner[ RxBufferId ] = 1; // Set the owner to hardware
OS_ATOMIC_DEC( pHwData->adapter, &pWb35Rx->RxFireCounter );
atomic_dec(&pWb35Rx->RxFireCounter);
pWb35Rx->EP3vm_state = VM_STOP;
}

2
drivers/staging/winbond/linux/wb35rx_s.h
View File

@ -18,7 +18,7 @@
typedef struct _WB35RX
{
u32 ByteReceived;// For calculating throughput of BulkIn
OS_ATOMIC RxFireCounter;// Does Wb35Rx module fire?
atomic_t RxFireCounter;// Does Wb35Rx module fire?
u8 RxBuffer[ MAX_USB_RX_BUFFER_NUMBER ][ ((MAX_USB_RX_BUFFER+3) & ~0x03 ) ];
u16 RxBufferSize[ ((MAX_USB_RX_BUFFER_NUMBER+1) & ~0x01) ];

16
drivers/staging/winbond/linux/wb35tx.c
View File

@ -25,11 +25,11 @@ void Wb35Tx_start(phw_data_t pHwData)
PWB35TX pWb35Tx = &pHwData->Wb35Tx;
// Allow only one thread to run into function
if (OS_ATOMIC_INC(pHwData->adapter, &pWb35Tx->TxFireCounter) == 1) {
if (atomic_inc_return(&pWb35Tx->TxFireCounter) == 1) {
pWb35Tx->EP4vm_state = VM_RUNNING;
Wb35Tx(pHwData);
} else
OS_ATOMIC_DEC( pHwData->adapter, &pWb35Tx->TxFireCounter );
atomic_dec(&pWb35Tx->TxFireCounter);
}
@ -81,7 +81,7 @@ void Wb35Tx(phw_data_t pHwData)
cleanup:
pWb35Tx->EP4vm_state = VM_STOP;
OS_ATOMIC_DEC( pHwData->adapter, &pWb35Tx->TxFireCounter );
atomic_dec(&pWb35Tx->TxFireCounter);
}
@ -118,7 +118,7 @@ void Wb35Tx_complete(struct urb * pUrb)
return;
error:
OS_ATOMIC_DEC( pHwData->adapter, &pWb35Tx->TxFireCounter );
atomic_dec(&pWb35Tx->TxFireCounter);
pWb35Tx->EP4vm_state = VM_STOP;
}
@ -211,12 +211,12 @@ void Wb35Tx_EP2VM_start(phw_data_t pHwData)
PWB35TX pWb35Tx = &pHwData->Wb35Tx;
// Allow only one thread to run into function
if (OS_ATOMIC_INC( pHwData->adapter, &pWb35Tx->TxResultCount ) == 1) {
if (atomic_inc_return(&pWb35Tx->TxResultCount) == 1) {
pWb35Tx->EP2vm_state = VM_RUNNING;
Wb35Tx_EP2VM( pHwData );
}
else
OS_ATOMIC_DEC( pHwData->adapter, &pWb35Tx->TxResultCount );
atomic_dec(&pWb35Tx->TxResultCount);
}
@ -252,7 +252,7 @@ void Wb35Tx_EP2VM(phw_data_t pHwData)
return;
error:
pWb35Tx->EP2vm_state = VM_STOP;
OS_ATOMIC_DEC( pHwData->adapter, &pWb35Tx->TxResultCount );
atomic_dec(&pWb35Tx->TxResultCount);
}
@ -301,7 +301,7 @@ void Wb35Tx_EP2VM_complete(struct urb * pUrb)
return;
error:
OS_ATOMIC_DEC( pHwData->adapter, &pWb35Tx->TxResultCount );
atomic_dec(&pWb35Tx->TxResultCount);
pWb35Tx->EP2vm_state = VM_STOP;
}

4
drivers/staging/winbond/linux/wb35tx_s.h
View File

@ -21,8 +21,8 @@ typedef struct _WB35TX
// For Interrupt pipe
u8 EP2_buf[MAX_INTERRUPT_LENGTH];
OS_ATOMIC TxResultCount;// For thread control of EP2 931130.4.m
OS_ATOMIC TxFireCounter;// For thread control of EP4 931130.4.n
atomic_t TxResultCount;// For thread control of EP2 931130.4.m
atomic_t TxFireCounter;// For thread control of EP4 931130.4.n
u32 ByteTransfer;
u32 TxSendIndex;// The next index of Mds array to be sent

6
drivers/staging/winbond/mds.c
View File

@ -6,7 +6,7 @@ Mds_reset_descriptor(struct wb35_adapter * adapter)
PMDS pMds = &adapter->Mds;
pMds->TxPause = 0;
pMds->TxThreadCount = 0;
atomic_set(&pMds->TxThreadCount, 0);
pMds->TxFillIndex = 0;
pMds->TxDesIndex = 0;
pMds->ScanTxPause = 0;
@ -52,7 +52,7 @@ Mds_Tx(struct wb35_adapter * adapter)
return;
//Only one thread can be run here
if (!OS_ATOMIC_INC( adapter, &pMds->TxThreadCount) == 1)
if (!atomic_inc_return(&pMds->TxThreadCount) == 1)
goto cleanup;
// Start to fill the data
@ -172,7 +172,7 @@ Mds_Tx(struct wb35_adapter * adapter)
Wb35Tx_start(pHwData);
cleanup:
OS_ATOMIC_DEC( adapter, &pMds->TxThreadCount );
atomic_dec(&pMds->TxThreadCount);
}
void

4
drivers/staging/winbond/mds_s.h
View File

@ -96,9 +96,9 @@ typedef struct _MDS
u8 ScanTxPause; //data Tx pause because the scanning is progressing, but probe request Tx won't.
u8 TxPause;//For pause the Mds_Tx modult
OS_ATOMIC TxThreadCount;//For thread counting 931130.4.v
atomic_t TxThreadCount;//For thread counting 931130.4.v
//950301 delete due to HW
// OS_ATOMIC TxConcurrentCount;//931130.4.w
// atomic_t TxConcurrentCount;//931130.4.w
u16 TxResult[ ((MAX_USB_TX_DESCRIPTOR + 1) & ~0x01) ];//Collect the sending result of Mpdu

2
drivers/staging/winbond/wbhal.c
View File

@ -843,7 +843,7 @@ void hal_system_power_change(phw_data_t pHwData, u32 PowerState)
void hal_surprise_remove( phw_data_t pHwData )
{
struct wb35_adapter * adapter = pHwData->adapter;
if (OS_ATOMIC_INC( adapter, &pHwData->SurpriseRemoveCount ) == 1) {
if (atomic_inc_return( &pHwData->SurpriseRemoveCount ) == 1) {
#ifdef _PE_STATE_DUMP_
WBDEBUG(("Calling hal_surprise_remove\n"));
#endif

2
drivers/staging/winbond/wbhal_s.h
View File

@ -570,7 +570,7 @@ typedef struct _HW_DATA_T
u32 RxByteCountLast;
u32 TxByteCountLast;
s32 SurpriseRemoveCount;
atomic_t SurpriseRemoveCount;
// For global timer
u32 time_count;//TICK_TIME_100ms 1 = 100ms

29
drivers/staging/winbond/wblinux.c
View File

@ -10,35 +10,10 @@
//============================================================================
#include "os_common.h"
s32
EncapAtomicInc(struct wb35_adapter * adapter, void* pAtomic)
{
u32 ltmp;
u32 * pltmp = (u32 *)pAtomic;
spin_lock_irq( &adapter->AtomicSpinLock );
(*pltmp)++;
ltmp = (*pltmp);
spin_unlock_irq( &adapter->AtomicSpinLock );
return ltmp;
}
s32
EncapAtomicDec(struct wb35_adapter * adapter, void* pAtomic)
{
u32 ltmp;
u32 * pltmp = (u32 *)pAtomic;
spin_lock_irq( &adapter->AtomicSpinLock );
(*pltmp)--;
ltmp = (*pltmp);
spin_unlock_irq( &adapter->AtomicSpinLock );
return ltmp;
}
unsigned char
WBLINUX_Initial(struct wb35_adapter * adapter)
{
spin_lock_init( &adapter->SpinLock );
spin_lock_init( &adapter->AtomicSpinLock );
return true;
}
@ -75,7 +50,7 @@ WBLINUX_stop( struct wb35_adapter * adapter )
{
struct sk_buff *pSkb;
if (OS_ATOMIC_INC( adapter, &adapter->ThreadCount ) == 1) {
if (atomic_inc_return(&adapter->ThreadCount) == 1) {
// Shutdown module immediately
adapter->shutdown = 1;
@ -97,7 +72,7 @@ WBLINUX_stop( struct wb35_adapter * adapter )
#endif
}
OS_ATOMIC_DEC(adapter, &adapter->ThreadCount);
atomic_dec(&adapter->ThreadCount);
}
void

2
drivers/staging/winbond/wblinux_f.h
View File

@ -3,8 +3,6 @@
//
// wblinux_f.h
//
s32 EncapAtomicInc( struct wb35_adapter *adapter, void* pAtomic );
s32 EncapAtomicDec( struct wb35_adapter *adapter, void* pAtomic );
void WBLinux_ReceivePacket( struct wb35_adapter *adapter, PRXLAYER1 pRxLayer1 );
unsigned char WBLINUX_Initial( struct wb35_adapter *adapter );
int wb35_start_xmit(struct sk_buff *skb, struct net_device *netdev );