Reviewed-by: Star Zeng <star.z...@intel.com>
-----Original Message-----
From: Tian, Feng
Sent: Monday, July 11, 2016 11:22 AM
To: Zeng, Star <star.z...@intel.com>
Cc: edk2-devel@lists.01.org
Subject: [patch 1/3] MdeModulePkg/UsbBus: remove redundant host controller
reset in UsbBus
The Host Controller reset has been done at EDKII UHCI/EHCI/XHCI, The original
code will do twice host controller initialization which is unnecessary. It also
bring issues on some USB HCs.
Cc: Star Zeng <star.z...@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Feng Tian <feng.t...@intel.com>
---
MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBus.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBus.c
b/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBus.c
index ef002f5..7822022 100644
--- a/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBus.c
+++ b/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBus.c
@@ -2,7 +2,7 @@
Usb Bus Driver Binding and Bus IO Protocol.
-Copyright (c) 2004 - 2013, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2004 - 2016, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials are licensed and made available
under the terms and conditions of the BSD License which accompanies this
distribution. The full text of the license may be found at @@ -976,9 +976,6 @@
UsbBusBuildProtocol (
}
}
- UsbHcReset (UsbBus, EFI_USB_HC_RESET_GLOBAL);
- UsbHcSetState (UsbBus, EfiUsbHcStateOperational);
-
//
// Install an EFI_USB_BUS_PROTOCOL to host controller to identify it.
//
--
2.7.1.windows.2
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