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Fixed unexpected timeout in Usb MassStorage Driver.

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Fixed unexpected timeout in Uhci/Ehci driver.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4038 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
yshang1
2007-10-08 06:14:13 +00:00
parent ba5711102a
commit 41e8ff2781
22 changed files with 386 additions and 262 deletions
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13
MdeModulePkg/Bus/Pci/EhciDxe/EhciReg.c
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@@ -214,12 +214,12 @@ EhcWaitOpRegBit (
{
UINT32 Index;
for (Index = 0; Index < Timeout / EHC_SYNC_POLL_TIME + 1; Index++) {
for (Index = 0; Index < Timeout / EHC_SYNC_POLL_INTERVAL + 1; Index++) {
if (EHC_REG_BIT_IS_SET (Ehc, Offset, Bit) == WaitToSet) {
return EFI_SUCCESS;
}
gBS->Stall (EHC_SYNC_POLL_TIME);
gBS->Stall (EHC_SYNC_POLL_INTERVAL);
}
return EFI_TIMEOUT;
@@ -614,14 +614,19 @@ EhcInitHC (
//
EhcSetOpRegBit (Ehc, EHC_CONFIG_FLAG_OFFSET, CONFIGFLAG_ROUTE_EHC);
Status = EhcEnablePeriodSchd (Ehc, EHC_GENERIC_TIME);
//
// Wait roothub port power stable
//
gBS->Stall (EHC_ROOT_PORT_RECOVERY_STALL);
Status = EhcEnablePeriodSchd (Ehc, EHC_GENERIC_TIMEOUT);
if (EFI_ERROR (Status)) {
EHC_ERROR (("EhcInitHC: failed to enable period schedule\n"));
return Status;
}
Status = EhcEnableAsyncSchd (Ehc, EHC_GENERIC_TIME);
Status = EhcEnableAsyncSchd (Ehc, EHC_GENERIC_TIMEOUT);
if (EFI_ERROR (Status)) {
EHC_ERROR (("EhcInitHC: failed to enable async schedule\n"));