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path: root/drivers/staging/winbond/linux/wb35rx.c
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Diffstat (limited to 'drivers/staging/winbond/linux/wb35rx.c')
-rw-r--r--drivers/staging/winbond/linux/wb35rx.c175
1 files changed, 86 insertions, 89 deletions
diff --git a/drivers/staging/winbond/linux/wb35rx.c b/drivers/staging/winbond/linux/wb35rx.c
index 26157eb3d5a..b4b9f5f371d 100644
--- a/drivers/staging/winbond/linux/wb35rx.c
+++ b/drivers/staging/winbond/linux/wb35rx.c
@@ -27,7 +27,7 @@ void Wb35Rx_start(phw_data_t pHwData)
void Wb35Rx( phw_data_t pHwData )
{
PWB35RX pWb35Rx = &pHwData->Wb35Rx;
- PUCHAR pRxBufferAddress;
+ u8 * pRxBufferAddress;
PURB pUrb = (PURB)pWb35Rx->RxUrb;
int retv;
u32 RxBufferId;
@@ -35,51 +35,50 @@ void Wb35Rx( phw_data_t pHwData )
//
// Issuing URB
//
- do {
- if (pHwData->SurpriseRemove || pHwData->HwStop)
- break;
+ if (pHwData->SurpriseRemove || pHwData->HwStop)
+ goto error;
- if (pWb35Rx->rx_halt)
- break;
+ if (pWb35Rx->rx_halt)
+ goto error;
- // Get RxBuffer's ID
- RxBufferId = pWb35Rx->RxBufferId;
- if (!pWb35Rx->RxOwner[RxBufferId]) {
- // It's impossible to run here.
- #ifdef _PE_RX_DUMP_
- WBDEBUG(("Rx driver fifo unavailable\n"));
- #endif
- break;
- }
+ // Get RxBuffer's ID
+ RxBufferId = pWb35Rx->RxBufferId;
+ if (!pWb35Rx->RxOwner[RxBufferId]) {
+ // It's impossible to run here.
+ #ifdef _PE_RX_DUMP_
+ WBDEBUG(("Rx driver fifo unavailable\n"));
+ #endif
+ goto error;
+ }
- // Update buffer point, then start to bulkin the data from USB
- pWb35Rx->RxBufferId++;
- pWb35Rx->RxBufferId %= MAX_USB_RX_BUFFER_NUMBER;
+ // Update buffer point, then start to bulkin the data from USB
+ pWb35Rx->RxBufferId++;
+ pWb35Rx->RxBufferId %= MAX_USB_RX_BUFFER_NUMBER;
- pWb35Rx->CurrentRxBufferId = RxBufferId;
+ pWb35Rx->CurrentRxBufferId = RxBufferId;
- if (1 != OS_MEMORY_ALLOC((void* *)&pWb35Rx->pDRx, MAX_USB_RX_BUFFER)) {
- printk("w35und: Rx memory alloc failed\n");
- break;
- }
- pRxBufferAddress = pWb35Rx->pDRx;
+ if (1 != OS_MEMORY_ALLOC((void* *)&pWb35Rx->pDRx, MAX_USB_RX_BUFFER)) {
+ printk("w35und: Rx memory alloc failed\n");
+ goto error;
+ }
+ pRxBufferAddress = pWb35Rx->pDRx;
- usb_fill_bulk_urb(pUrb, pHwData->WbUsb.udev,
- usb_rcvbulkpipe(pHwData->WbUsb.udev, 3),
- pRxBufferAddress, MAX_USB_RX_BUFFER,
- Wb35Rx_Complete, pHwData);
+ usb_fill_bulk_urb(pUrb, pHwData->WbUsb.udev,
+ usb_rcvbulkpipe(pHwData->WbUsb.udev, 3),
+ pRxBufferAddress, MAX_USB_RX_BUFFER,
+ Wb35Rx_Complete, pHwData);
- pWb35Rx->EP3vm_state = VM_RUNNING;
+ pWb35Rx->EP3vm_state = VM_RUNNING;
- retv = wb_usb_submit_urb(pUrb);
+ retv = wb_usb_submit_urb(pUrb);
- if (retv != 0) {
- printk("Rx URB sending error\n");
- break;
- }
- return;
- } while(FALSE);
+ if (retv != 0) {
+ printk("Rx URB sending error\n");
+ goto error;
+ }
+ return;
+error:
// VM stop
pWb35Rx->EP3vm_state = VM_STOP;
OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Rx->RxFireCounter );
@@ -89,7 +88,7 @@ void Wb35Rx_Complete(PURB pUrb)
{
phw_data_t pHwData = pUrb->context;
PWB35RX pWb35Rx = &pHwData->Wb35Rx;
- PUCHAR pRxBufferAddress;
+ u8 * pRxBufferAddress;
u32 SizeCheck;
u16 BulkLength;
u32 RxBufferId;
@@ -99,65 +98,63 @@ void Wb35Rx_Complete(PURB pUrb)
pWb35Rx->EP3vm_state = VM_COMPLETED;
pWb35Rx->EP3VM_status = pUrb->status;//Store the last result of Irp
- do {
- RxBufferId = pWb35Rx->CurrentRxBufferId;
+ RxBufferId = pWb35Rx->CurrentRxBufferId;
- pRxBufferAddress = pWb35Rx->pDRx;
- BulkLength = (u16)pUrb->actual_length;
+ pRxBufferAddress = pWb35Rx->pDRx;
+ BulkLength = (u16)pUrb->actual_length;
- // The IRP is completed
- pWb35Rx->EP3vm_state = VM_COMPLETED;
+ // The IRP is completed
+ pWb35Rx->EP3vm_state = VM_COMPLETED;
- if (pHwData->SurpriseRemove || pHwData->HwStop) // Must be here, or RxBufferId is invalid
- break;
+ if (pHwData->SurpriseRemove || pHwData->HwStop) // Must be here, or RxBufferId is invalid
+ goto error;
- if (pWb35Rx->rx_halt)
- break;
+ if (pWb35Rx->rx_halt)
+ goto error;
- // Start to process the data only in successful condition
- pWb35Rx->RxOwner[ RxBufferId ] = 0; // Set the owner to driver
- R00.value = le32_to_cpu(*(PULONG)pRxBufferAddress);
+ // Start to process the data only in successful condition
+ pWb35Rx->RxOwner[ RxBufferId ] = 0; // Set the owner to driver
+ R00.value = le32_to_cpu(*(u32 *)pRxBufferAddress);
- // The URB is completed, check the result
- if (pWb35Rx->EP3VM_status != 0) {
- #ifdef _PE_USB_STATE_DUMP_
- WBDEBUG(("EP3 IoCompleteRoutine return error\n"));
- DebugUsbdStatusInformation( pWb35Rx->EP3VM_status );
- #endif
- pWb35Rx->EP3vm_state = VM_STOP;
- break;
- }
+ // The URB is completed, check the result
+ if (pWb35Rx->EP3VM_status != 0) {
+ #ifdef _PE_USB_STATE_DUMP_
+ WBDEBUG(("EP3 IoCompleteRoutine return error\n"));
+ DebugUsbdStatusInformation( pWb35Rx->EP3VM_status );
+ #endif
+ pWb35Rx->EP3vm_state = VM_STOP;
+ goto error;
+ }
- // 20060220 For recovering. check if operating in single USB mode
- if (!HAL_USB_MODE_BURST(pHwData)) {
- SizeCheck = R00.R00_receive_byte_count; //20060926 anson's endian
- if ((SizeCheck & 0x03) > 0)
- SizeCheck -= 4;
- SizeCheck = (SizeCheck + 3) & ~0x03;
- SizeCheck += 12; // 8 + 4 badbeef
- if ((BulkLength > 1600) ||
- (SizeCheck > 1600) ||
- (BulkLength != SizeCheck) ||
- (BulkLength == 0)) { // Add for fail Urb
- pWb35Rx->EP3vm_state = VM_STOP;
- pWb35Rx->Ep3ErrorCount2++;
- }
+ // 20060220 For recovering. check if operating in single USB mode
+ if (!HAL_USB_MODE_BURST(pHwData)) {
+ SizeCheck = R00.R00_receive_byte_count; //20060926 anson's endian
+ if ((SizeCheck & 0x03) > 0)
+ SizeCheck -= 4;
+ SizeCheck = (SizeCheck + 3) & ~0x03;
+ SizeCheck += 12; // 8 + 4 badbeef
+ if ((BulkLength > 1600) ||
+ (SizeCheck > 1600) ||
+ (BulkLength != SizeCheck) ||
+ (BulkLength == 0)) { // Add for fail Urb
+ pWb35Rx->EP3vm_state = VM_STOP;
+ pWb35Rx->Ep3ErrorCount2++;
}
+ }
- // Indicating the receiving data
- pWb35Rx->ByteReceived += BulkLength;
- pWb35Rx->RxBufferSize[ RxBufferId ] = BulkLength;
-
- if (!pWb35Rx->RxOwner[ RxBufferId ])
- Wb35Rx_indicate(pHwData);
+ // Indicating the receiving data
+ pWb35Rx->ByteReceived += BulkLength;
+ pWb35Rx->RxBufferSize[ RxBufferId ] = BulkLength;
- kfree(pWb35Rx->pDRx);
- // Do the next receive
- Wb35Rx(pHwData);
- return;
+ if (!pWb35Rx->RxOwner[ RxBufferId ])
+ Wb35Rx_indicate(pHwData);
- } while(FALSE);
+ kfree(pWb35Rx->pDRx);
+ // Do the next receive
+ Wb35Rx(pHwData);
+ return;
+error:
pWb35Rx->RxOwner[ RxBufferId ] = 1; // Set the owner to hardware
OS_ATOMIC_DEC( pHwData->Adapter, &pWb35Rx->RxFireCounter );
pWb35Rx->EP3vm_state = VM_STOP;
@@ -223,7 +220,7 @@ void Wb35Rx_reset_descriptor( phw_data_t pHwData )
void Wb35Rx_adjust(PDESCRIPTOR pRxDes)
{
- PULONG pRxBufferAddress;
+ u32 * pRxBufferAddress;
u32 DecryptionMethod;
u32 i;
u16 BufferSize;
@@ -264,7 +261,7 @@ u16 Wb35Rx_indicate(phw_data_t pHwData)
{
DESCRIPTOR RxDes;
PWB35RX pWb35Rx = &pHwData->Wb35Rx;
- PUCHAR pRxBufferAddress;
+ u8 * pRxBufferAddress;
u16 PacketSize;
u16 stmp, BufferSize, stmp2 = 0;
u32 RxBufferId;
@@ -283,13 +280,13 @@ u16 Wb35Rx_indicate(phw_data_t pHwData)
// Parse the bulkin buffer
while (BufferSize >= 4) {
- if ((cpu_to_le32(*(PULONG)pRxBufferAddress) & 0x0fffffff) == RX_END_TAG) //Is ending? 921002.9.a
+ if ((cpu_to_le32(*(u32 *)pRxBufferAddress) & 0x0fffffff) == RX_END_TAG) //Is ending? 921002.9.a
break;
// Get the R00 R01 first
- RxDes.R00.value = le32_to_cpu(*(PULONG)pRxBufferAddress);
+ RxDes.R00.value = le32_to_cpu(*(u32 *)pRxBufferAddress);
PacketSize = (u16)RxDes.R00.R00_receive_byte_count;
- RxDes.R01.value = le32_to_cpu(*((PULONG)(pRxBufferAddress+4)));
+ RxDes.R01.value = le32_to_cpu(*((u32 *)(pRxBufferAddress+4)));
// For new DMA 4k
if ((PacketSize & 0x03) > 0)
PacketSize -= 4;
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-27 20:37:00 +0000