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MdeModulePkg/XhciDxe: Error handling enhancement for XhcExecTransfer 

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Baraneedharan Anbazhagan <anbazhagan@hp.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17879 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Feng Tian 2015-07-08 05:54:21 +00:00 committed by erictian
parent 6a46c1a2a6
commit a40a5c08be
1 changed files with 8 additions and 5 deletions
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13
MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c
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@ -1027,7 +1027,7 @@ IsTransferRingTrb (
@return Whether the result of URB transfer is finialized.
**/
EFI_STATUS
BOOLEAN
XhcCheckUrbResult (
IN USB_XHCI_INSTANCE *Xhc,
IN URB *Urb
@ -1058,7 +1058,6 @@ XhcCheckUrbResult (
if (XhcIsHalt (Xhc) || XhcIsSysError (Xhc)) {
Urb->Result |= EFI_USB_ERR_SYSTEM;
Status = EFI_DEVICE_ERROR;
goto EXIT;
}
@ -1189,7 +1188,7 @@ EXIT:
XhcWriteRuntimeReg (Xhc, XHC_ERDP_OFFSET + 4, XHC_HIGH_32BIT (PhyAddr));
}
return Status;
return Urb->Finished;
}
@ -1219,6 +1218,7 @@ XhcExecTransfer (
UINTN Loop;
UINT8 SlotId;
UINT8 Dci;
BOOLEAN Finished;
if (CmdTransfer) {
SlotId = 0;
@ -1241,8 +1241,8 @@ XhcExecTransfer (
XhcRingDoorBell (Xhc, SlotId, Dci);
for (Index = 0; Index < Loop; Index++) {
Status = XhcCheckUrbResult (Xhc, Urb);
if (Urb->Finished) {
Finished = XhcCheckUrbResult (Xhc, Urb);
if (Finished) {
break;
}
gBS->Stall (XHC_1_MICROSECOND);
@ -1250,6 +1250,9 @@ XhcExecTransfer (
if (Index == Loop) {
Urb->Result = EFI_USB_ERR_TIMEOUT;
Status = EFI_TIMEOUT;
} else if (Urb->Result != EFI_USB_NOERROR) {
Status = EFI_DEVICE_ERROR;
}
return Status;