diff options
Diffstat (limited to 'MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBus.c')
| -rw-r--r-- | MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBus.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBus.c b/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBus.c index 742cdc1931..ff6b99c87f 100644 --- a/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBus.c +++ b/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBus.c @@ -813,6 +813,7 @@ UsbIoPortReset ( USB_DEVICE *Dev;
EFI_TPL OldTpl;
EFI_STATUS Status;
+ UINT8 DevAddress;
OldTpl = gBS->RaiseTPL (USB_BUS_TPL);
@@ -834,12 +835,17 @@ UsbIoPortReset ( goto ON_EXIT;
}
+ HubIf->HubApi->ClearPortChange (HubIf, Dev->ParentPort);
+
//
// Reset the device to its current address. The device now has an address
// of ZERO after port reset, so need to set Dev->Address to the device again for
// host to communicate with it.
//
- Status = UsbSetAddress (Dev, Dev->Address);
+ DevAddress = Dev->Address;
+ Dev->Address = 0;
+ Status = UsbSetAddress (Dev, DevAddress);
+ Dev->Address = DevAddress;
gBS->Stall (USB_SET_DEVICE_ADDRESS_STALL);
|