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path: root/drivers/staging/bcm/InterfaceMisc.c
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Diffstat (limited to 'drivers/staging/bcm/InterfaceMisc.c')
-rw-r--r--drivers/staging/bcm/InterfaceMisc.c304
1 files changed, 138 insertions, 166 deletions
diff --git a/drivers/staging/bcm/InterfaceMisc.c b/drivers/staging/bcm/InterfaceMisc.c
index a51185b..61f878b 100644
--- a/drivers/staging/bcm/InterfaceMisc.c
+++ b/drivers/staging/bcm/InterfaceMisc.c
@@ -1,246 +1,219 @@
#include "headers.h"
-INT
-InterfaceRDM(PS_INTERFACE_ADAPTER psIntfAdapter,
- UINT addr,
- PVOID buff,
- INT len)
+INT InterfaceRDM(PS_INTERFACE_ADAPTER psIntfAdapter,
+ UINT addr,
+ PVOID buff,
+ INT len)
{
int retval = 0;
- USHORT usRetries = 0 ;
- if(psIntfAdapter == NULL )
- {
- BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0,"Interface Adapter is NULL");
- return -EINVAL ;
+ USHORT usRetries = 0;
+
+ if (psIntfAdapter == NULL) {
+ BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, "Interface Adapter is NULL");
+ return -EINVAL;
}
- if(psIntfAdapter->psAdapter->device_removed == TRUE)
- {
- BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0,"Device got removed");
+ if (psIntfAdapter->psAdapter->device_removed == TRUE) {
+ BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, "Device got removed");
return -ENODEV;
}
- if((psIntfAdapter->psAdapter->StopAllXaction == TRUE) && (psIntfAdapter->psAdapter->chip_id >= T3LPB))
- {
- BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_OTHERS, RDM, DBG_LVL_ALL,"Currently Xaction is not allowed on the bus");
+ if ((psIntfAdapter->psAdapter->StopAllXaction == TRUE) && (psIntfAdapter->psAdapter->chip_id >= T3LPB)) {
+ BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_OTHERS, RDM, DBG_LVL_ALL, "Currently Xaction is not allowed on the bus");
return -EACCES;
}
- if(psIntfAdapter->bSuspended ==TRUE || psIntfAdapter->bPreparingForBusSuspend == TRUE)
- {
- BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_OTHERS, RDM, DBG_LVL_ALL,"Bus is in suspended states hence RDM not allowed..");
+ if (psIntfAdapter->bSuspended == TRUE || psIntfAdapter->bPreparingForBusSuspend == TRUE) {
+ BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_OTHERS, RDM, DBG_LVL_ALL, "Bus is in suspended states hence RDM not allowed..");
return -EACCES;
}
- psIntfAdapter->psAdapter->DeviceAccess = TRUE ;
+ psIntfAdapter->psAdapter->DeviceAccess = TRUE;
+
do {
retval = usb_control_msg(psIntfAdapter->udev,
- usb_rcvctrlpipe(psIntfAdapter->udev,0),
- 0x02,
- 0xC2,
- (addr & 0xFFFF),
- ((addr >> 16) & 0xFFFF),
- buff,
- len,
- 5000);
-
- usRetries++ ;
- if(-ENODEV == retval)
- {
- psIntfAdapter->psAdapter->device_removed =TRUE;
+ usb_rcvctrlpipe(psIntfAdapter->udev, 0),
+ 0x02,
+ 0xC2,
+ (addr & 0xFFFF),
+ ((addr >> 16) & 0xFFFF),
+ buff,
+ len,
+ 5000);
+
+ usRetries++;
+ if (-ENODEV == retval) {
+ psIntfAdapter->psAdapter->device_removed = TRUE;
break;
}
- }while((retval < 0) && (usRetries < MAX_RDM_WRM_RETIRES ) );
+ } while ((retval < 0) && (usRetries < MAX_RDM_WRM_RETIRES));
- if(retval < 0)
- {
- BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_OTHERS, RDM, DBG_LVL_ALL, "RDM failed status :%d, retires :%d", retval,usRetries);
- psIntfAdapter->psAdapter->DeviceAccess = FALSE ;
- return retval;
- }
- else
- {
- BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_OTHERS, RDM, DBG_LVL_ALL, "RDM sent %d", retval);
- psIntfAdapter->psAdapter->DeviceAccess = FALSE ;
- return STATUS_SUCCESS;
+ if (retval < 0) {
+ BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_OTHERS, RDM, DBG_LVL_ALL, "RDM failed status :%d, retires :%d", retval, usRetries);
+ psIntfAdapter->psAdapter->DeviceAccess = FALSE;
+ return retval;
+ } else {
+ BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_OTHERS, RDM, DBG_LVL_ALL, "RDM sent %d", retval);
+ psIntfAdapter->psAdapter->DeviceAccess = FALSE;
+ return STATUS_SUCCESS;
}
}
-INT
-InterfaceWRM(PS_INTERFACE_ADAPTER psIntfAdapter,
- UINT addr,
- PVOID buff,
- INT len)
+INT InterfaceWRM(PS_INTERFACE_ADAPTER psIntfAdapter,
+ UINT addr,
+ PVOID buff,
+ INT len)
{
int retval = 0;
- USHORT usRetries = 0 ;
+ USHORT usRetries = 0;
- if(psIntfAdapter == NULL )
- {
- BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0, "Interface Adapter is NULL");
+ if (psIntfAdapter == NULL) {
+ BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, "Interface Adapter is NULL");
return -EINVAL;
}
- if(psIntfAdapter->psAdapter->device_removed == TRUE)
- {
- BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_PRINTK, 0, 0,"Device got removed");
+ if (psIntfAdapter->psAdapter->device_removed == TRUE) {
+ BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_PRINTK, 0, 0, "Device got removed");
return -ENODEV;
}
- if((psIntfAdapter->psAdapter->StopAllXaction == TRUE) && (psIntfAdapter->psAdapter->chip_id >= T3LPB))
- {
- BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_OTHERS, WRM, DBG_LVL_ALL,"Currently Xaction is not allowed on the bus...");
+ if ((psIntfAdapter->psAdapter->StopAllXaction == TRUE) && (psIntfAdapter->psAdapter->chip_id >= T3LPB)) {
+ BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_OTHERS, WRM, DBG_LVL_ALL, "Currently Xaction is not allowed on the bus...");
return -EACCES;
}
- if(psIntfAdapter->bSuspended ==TRUE || psIntfAdapter->bPreparingForBusSuspend == TRUE)
- {
- BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_OTHERS, WRM, DBG_LVL_ALL,"Bus is in suspended states hence RDM not allowed..");
+ if (psIntfAdapter->bSuspended == TRUE || psIntfAdapter->bPreparingForBusSuspend == TRUE) {
+ BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_OTHERS, WRM, DBG_LVL_ALL, "Bus is in suspended states hence RDM not allowed..");
return -EACCES;
}
- psIntfAdapter->psAdapter->DeviceAccess = TRUE ;
- do{
+
+ psIntfAdapter->psAdapter->DeviceAccess = TRUE;
+
+ do {
retval = usb_control_msg(psIntfAdapter->udev,
- usb_sndctrlpipe(psIntfAdapter->udev,0),
- 0x01,
- 0x42,
- (addr & 0xFFFF),
- ((addr >> 16) & 0xFFFF),
- buff,
- len,
- 5000);
-
- usRetries++ ;
- if(-ENODEV == retval)
- {
- psIntfAdapter->psAdapter->device_removed = TRUE ;
+ usb_sndctrlpipe(psIntfAdapter->udev, 0),
+ 0x01,
+ 0x42,
+ (addr & 0xFFFF),
+ ((addr >> 16) & 0xFFFF),
+ buff,
+ len,
+ 5000);
+
+ usRetries++;
+ if (-ENODEV == retval) {
+ psIntfAdapter->psAdapter->device_removed = TRUE;
break;
}
- }while((retval < 0) && ( usRetries < MAX_RDM_WRM_RETIRES));
+ } while ((retval < 0) && (usRetries < MAX_RDM_WRM_RETIRES));
- if(retval < 0)
- {
- BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_OTHERS, WRM, DBG_LVL_ALL, "WRM failed status :%d, retires :%d", retval, usRetries);
- psIntfAdapter->psAdapter->DeviceAccess = FALSE ;
+ if (retval < 0) {
+ BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_OTHERS, WRM, DBG_LVL_ALL, "WRM failed status :%d, retires :%d", retval, usRetries);
+ psIntfAdapter->psAdapter->DeviceAccess = FALSE;
return retval;
- }
- else
- {
- psIntfAdapter->psAdapter->DeviceAccess = FALSE ;
- BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,DBG_TYPE_OTHERS, WRM, DBG_LVL_ALL, "WRM sent %d", retval);
+ } else {
+ psIntfAdapter->psAdapter->DeviceAccess = FALSE;
+ BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_OTHERS, WRM, DBG_LVL_ALL, "WRM sent %d", retval);
return STATUS_SUCCESS;
-
}
-
}
-INT
-BcmRDM(PVOID arg,
- UINT addr,
- PVOID buff,
- INT len)
+INT BcmRDM(PVOID arg,
+ UINT addr,
+ PVOID buff,
+ INT len)
{
return InterfaceRDM((PS_INTERFACE_ADAPTER)arg, addr, buff, len);
}
-INT
-BcmWRM(PVOID arg,
- UINT addr,
- PVOID buff,
- INT len)
+INT BcmWRM(PVOID arg,
+ UINT addr,
+ PVOID buff,
+ INT len)
{
return InterfaceWRM((PS_INTERFACE_ADAPTER)arg, addr, buff, len);
}
-
-
INT Bcm_clear_halt_of_endpoints(PMINI_ADAPTER Adapter)
{
PS_INTERFACE_ADAPTER psIntfAdapter = (PS_INTERFACE_ADAPTER)(Adapter->pvInterfaceAdapter);
- INT status = STATUS_SUCCESS ;
+ INT status = STATUS_SUCCESS;
/*
- usb_clear_halt - tells device to clear endpoint halt/stall condition
- @dev: device whose endpoint is halted
- @pipe: endpoint "pipe" being cleared
- @ Context: !in_interrupt ()
-
- usb_clear_halt is the synchrnous call and returns 0 on success else returns with error code.
- This is used to clear halt conditions for bulk and interrupt endpoints only.
- Control and isochronous endpoints never halts.
-
- Any URBs queued for such an endpoint should normally be unlinked by the driver
- before clearing the halt condition.
-
- */
-
- //Killing all the submitted urbs to different end points.
+ * usb_clear_halt - tells device to clear endpoint halt/stall condition
+ * @dev: device whose endpoint is halted
+ * @pipe: endpoint "pipe" being cleared
+ * @ Context: !in_interrupt ()
+ *
+ * usb_clear_halt is the synchrnous call and returns 0 on success else returns with error code.
+ * This is used to clear halt conditions for bulk and interrupt endpoints only.
+ * Control and isochronous endpoints never halts.
+ *
+ * Any URBs queued for such an endpoint should normally be unlinked by the driver
+ * before clearing the halt condition.
+ *
+ */
+
+ /* Killing all the submitted urbs to different end points. */
Bcm_kill_all_URBs(psIntfAdapter);
+ /* clear the halted/stalled state for every end point */
+ status = usb_clear_halt(psIntfAdapter->udev, psIntfAdapter->sIntrIn.int_in_pipe);
+ if (status != STATUS_SUCCESS)
+ BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, INTF_INIT, DBG_LVL_ALL, "Unable to Clear Halt of Interrupt IN end point. :%d ", status);
- //clear the halted/stalled state for every end point
- status = usb_clear_halt(psIntfAdapter->udev,psIntfAdapter->sIntrIn.int_in_pipe);
- if(status != STATUS_SUCCESS)
- BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, INTF_INIT, DBG_LVL_ALL, "Unable to Clear Halt of Interrupt IN end point. :%d ", status);
+ status = usb_clear_halt(psIntfAdapter->udev, psIntfAdapter->sBulkIn.bulk_in_pipe);
+ if (status != STATUS_SUCCESS)
+ BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, INTF_INIT, DBG_LVL_ALL, "Unable to Clear Halt of Bulk IN end point. :%d ", status);
- status = usb_clear_halt(psIntfAdapter->udev,psIntfAdapter->sBulkIn.bulk_in_pipe);
- if(status != STATUS_SUCCESS)
- BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, INTF_INIT, DBG_LVL_ALL, "Unable to Clear Halt of Bulk IN end point. :%d ", status);
+ status = usb_clear_halt(psIntfAdapter->udev, psIntfAdapter->sBulkOut.bulk_out_pipe);
+ if (status != STATUS_SUCCESS)
+ BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, INTF_INIT, DBG_LVL_ALL, "Unable to Clear Halt of Bulk OUT end point. :%d ", status);
- status = usb_clear_halt(psIntfAdapter->udev,psIntfAdapter->sBulkOut.bulk_out_pipe);
- if(status != STATUS_SUCCESS)
- BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, INTF_INIT, DBG_LVL_ALL, "Unable to Clear Halt of Bulk OUT end point. :%d ", status);
-
- return status ;
+ return status;
}
-
VOID Bcm_kill_all_URBs(PS_INTERFACE_ADAPTER psIntfAdapter)
{
struct urb *tempUrb = NULL;
UINT i;
- /**
- * usb_kill_urb - cancel a transfer request and wait for it to finish
- * @urb: pointer to URB describing a previously submitted request,
- * returns nothing as it is void returned API.
- *
- * This routine cancels an in-progress request. It is guaranteed that
- * upon return all completion handlers will have finished and the URB
- * will be totally idle and available for reuse
-
- * This routine may not be used in an interrupt context (such as a bottom
- * half or a completion handler), or when holding a spinlock, or in other
- * situations where the caller can't schedule().
- *
- **/
+ /*
+ * usb_kill_urb - cancel a transfer request and wait for it to finish
+ * @urb: pointer to URB describing a previously submitted request,
+ * returns nothing as it is void returned API.
+ *
+ * This routine cancels an in-progress request. It is guaranteed that
+ * upon return all completion handlers will have finished and the URB
+ * will be totally idle and available for reuse
+ *
+ * This routine may not be used in an interrupt context (such as a bottom
+ * half or a completion handler), or when holding a spinlock, or in other
+ * situations where the caller can't schedule().
+ *
+ */
/* Cancel submitted Interrupt-URB's */
- if(psIntfAdapter->psInterruptUrb != NULL)
- {
- if(psIntfAdapter->psInterruptUrb->status == -EINPROGRESS)
- usb_kill_urb(psIntfAdapter->psInterruptUrb);
+ if (psIntfAdapter->psInterruptUrb != NULL) {
+ if (psIntfAdapter->psInterruptUrb->status == -EINPROGRESS)
+ usb_kill_urb(psIntfAdapter->psInterruptUrb);
}
/* Cancel All submitted TX URB's */
- for(i = 0; i < MAXIMUM_USB_TCB; i++)
- {
+ for (i = 0; i < MAXIMUM_USB_TCB; i++) {
tempUrb = psIntfAdapter->asUsbTcb[i].urb;
- if(tempUrb)
- {
- if(tempUrb->status == -EINPROGRESS)
+ if (tempUrb) {
+ if (tempUrb->status == -EINPROGRESS)
usb_kill_urb(tempUrb);
}
}
- for(i = 0; i < MAXIMUM_USB_RCB; i++)
- {
+ for (i = 0; i < MAXIMUM_USB_RCB; i++) {
tempUrb = psIntfAdapter->asUsbRcb[i].urb;
- if(tempUrb)
- {
- if(tempUrb->status == -EINPROGRESS)
- usb_kill_urb(tempUrb);
+ if (tempUrb) {
+ if (tempUrb->status == -EINPROGRESS)
+ usb_kill_urb(tempUrb);
}
}
@@ -253,13 +226,12 @@ VOID Bcm_kill_all_URBs(PS_INTERFACE_ADAPTER psIntfAdapter)
VOID putUsbSuspend(struct work_struct *work)
{
- PS_INTERFACE_ADAPTER psIntfAdapter = NULL ;
- struct usb_interface *intf = NULL ;
- psIntfAdapter = container_of(work, S_INTERFACE_ADAPTER,usbSuspendWork);
- intf=psIntfAdapter->interface ;
+ PS_INTERFACE_ADAPTER psIntfAdapter = NULL;
+ struct usb_interface *intf = NULL;
+ psIntfAdapter = container_of(work, S_INTERFACE_ADAPTER, usbSuspendWork);
+ intf = psIntfAdapter->interface;
- if(psIntfAdapter->bSuspended == FALSE)
+ if (psIntfAdapter->bSuspended == FALSE)
usb_autopm_put_interface(intf);
-
}