sravan/system76-edk2
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[Description]:

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Add a feature flag in Uhci & Ehci to disable legacy USB SMI.
[Impaction]:
  Platform integrator can choose to legacy USB SMI or not.
[Reference Info]
  EDK Tracker 1082

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5081 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qhuang8
2008-04-17 11:02:59 +00:00
parent 90d44b32f4
commit dd4047a51c
7 changed files with 17 additions and 4 deletions
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4
MdeModulePkg/Bus/Pci/EhciDxe/Ehci.c
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@@ -1580,7 +1580,9 @@ EhcDriverBindingStart (
// Robustnesss improvement such as for UoL
// Default is not required.
//
// EhcClearLegacySupport (Ehc);
if (FeaturePcdGet (PcdUsbLegacySupport)) {
EhcClearLegacySupport (Ehc);
}
EhcResetHC (Ehc, EHC_RESET_TIMEOUT);
Status = EhcInitHC (Ehc);