sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Enhance the Usb bus driver to support Star with Remaining device path.

Browse Source 
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4437 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff
2007-12-26 06:38:15 +00:00
parent be0187bbba
commit ecb575d9e6
5 changed files with 947 additions and 174 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
MdeModulePkg/Bus/Usb/UsbBusDxe/UsbEnumer.c
View File

@@ -288,18 +288,24 @@ UsbConnectDriver (
// twisted TPL used. It should be no problem for us to connect
// or disconnect at CALLBACK.
//
OldTpl = UsbGetCurrentTpl ();
DEBUG ((EFI_D_INFO, "UsbConnectDriver: TPL before connect is %d\n", OldTpl));
//
// Only recursively wanted usb child device
//
if (UsbBusIsWantedUsbIO (UsbIf->Device->Bus, UsbIf)) {
OldTpl = UsbGetCurrentTpl ();
DEBUG ((EFI_D_INFO, "UsbConnectDriver: TPL before connect is %d\n", OldTpl));
gBS->RestoreTPL (TPL_CALLBACK);
gBS->RestoreTPL (TPL_CALLBACK);
Status = gBS->ConnectController (UsbIf->Handle, NULL, NULL, TRUE);
UsbIf->IsManaged = (BOOLEAN)!EFI_ERROR (Status);
Status = gBS->ConnectController (UsbIf->Handle, NULL, NULL, TRUE);
UsbIf->IsManaged = (BOOLEAN)!EFI_ERROR (Status);
DEBUG ((EFI_D_INFO, "UsbConnectDriver: TPL after connect is %d\n", UsbGetCurrentTpl()));
ASSERT (UsbGetCurrentTpl () == TPL_CALLBACK);
DEBUG ((EFI_D_INFO, "UsbConnectDriver: TPL after connect is %d\n", UsbGetCurrentTpl()));
ASSERT (UsbGetCurrentTpl () == TPL_CALLBACK);
gBS->RaiseTPL (OldTpl);
gBS->RaiseTPL (OldTpl);
}
}
return Status;