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MdeModulePkg/Usb: All h/w related stop operation at DriverBindingStop() should be behind s/w related stop operation, which could avoid h/w not working if s/w stop operation fails.

Browse Source 
Signed-off-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Elvin Li <elvin.li@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14927 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Feng Tian
2013-12-03 07:04:08 +00:00
committed by erictian
parent 6855763eb2
commit 0f58371b5d
4 changed files with 79 additions and 66 deletions
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25
MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c
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@@ -2129,6 +2129,16 @@ XhcDriverBindingStop (
return Status;
}
Status = gBS->UninstallProtocolInterface (
Controller,
&gEfiUsb2HcProtocolGuid,
Usb2Hc
);
if (EFI_ERROR (Status)) {
return Status;
}
Xhc = XHC_FROM_THIS (Usb2Hc);
PciIo = Xhc->PciIo;
@@ -2154,19 +2164,6 @@ XhcDriverBindingStop (
}
}
XhcHaltHC (Xhc, XHC_GENERIC_TIMEOUT);
XhcClearBiosOwnership (Xhc);
Status = gBS->UninstallProtocolInterface (
Controller,
&gEfiUsb2HcProtocolGuid,
Usb2Hc
);
if (EFI_ERROR (Status)) {
return Status;
}
if (Xhc->PollTimer != NULL) {
gBS->CloseEvent (Xhc->PollTimer);
}
@@ -2175,6 +2172,8 @@ XhcDriverBindingStop (
gBS->CloseEvent (Xhc->ExitBootServiceEvent);
}
XhcHaltHC (Xhc, XHC_GENERIC_TIMEOUT);
XhcClearBiosOwnership (Xhc);
XhciDelAllAsyncIntTransfers (Xhc);
XhcFreeSched (Xhc);