diff options
| author | erictian <erictian@6f19259b-4bc3-4df7-8a09-765794883524> | 2013-03-29 06:53:57 +0000 |
|---|---|---|
| committer | erictian <erictian@6f19259b-4bc3-4df7-8a09-765794883524> | 2013-03-29 06:53:57 +0000 |
| commit | 20bcb757d2d85f59c749e004e580bc2e52a96459 (patch) | |
| tree | c3669d4aad9729325e31df24dde6504692f64f18 /MdeModulePkg/Bus/Pci | |
| parent | 1687559138f11d1693bcbb8a2cdfd76061c77e11 (diff) | |
| download | edk2-platforms-20bcb757d2d85f59c749e004e580bc2e52a96459.tar.xz | |
MdeMdeModulePkg/Usb: Fixed two usb issues
1.Fix the bug in interface parser logic for usb camera device. Reserve device address if the device doesn’t get disconnected.
2.Some usb 1.1 devices require the context evaluation immediately with actual max packet size after detecting the device max packet size.
Signed-off-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Elvin Li <elvin.li@intel.com>
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14226 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Bus/Pci')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c b/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c index b8a1d78a7e..5809a0f914 100644 --- a/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c +++ b/MdeModulePkg/Bus/Pci/XhciDxe/Xhci.c @@ -1,7 +1,7 @@ /** @file The XHCI controller driver. -Copyright (c) 2011 - 2012, Intel Corporation. All rights reserved.<BR> +Copyright (c) 2011 - 2013, 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 @@ -916,7 +916,7 @@ XhcControlTransfer ( ((Request->RequestType == USB_REQUEST_TYPE (EfiUsbDataIn, USB_REQ_TYPE_STANDARD, USB_TARGET_DEVICE)) || ((Request->RequestType == USB_REQUEST_TYPE (EfiUsbDataIn, USB_REQ_TYPE_CLASS, USB_TARGET_DEVICE))))) { DescriptorType = (UINT8)(Request->Value >> 8); - if ((DescriptorType == USB_DESC_TYPE_DEVICE) && (*DataLength == sizeof (EFI_USB_DEVICE_DESCRIPTOR))) { + if ((DescriptorType == USB_DESC_TYPE_DEVICE) && ((*DataLength == sizeof (EFI_USB_DEVICE_DESCRIPTOR)) || ((DeviceSpeed == EFI_USB_SPEED_FULL) && (*DataLength == 8)))) { ASSERT (Data != NULL); // // Store a copy of device scriptor as hub device need this info to configure endpoint. |