diff options
| author | Star Zeng <star.zeng@intel.com> | 2014-09-15 09:33:16 +0000 |
|---|---|---|
| committer | lzeng14 <lzeng14@6f19259b-4bc3-4df7-8a09-765794883524> | 2014-09-15 09:33:16 +0000 |
| commit | 04910ceb352b54fe8edac4c20d9a6515cd5fdad5 (patch) | |
| tree | a2f7966b46cf4b3804ba373abca863809f5c39aa /MdeModulePkg/Bus/Usb/UsbBusPei/UsbPeim.c | |
| parent | c4a7d20890eb3002926ec669fb229cea3b3528fb (diff) | |
| download | edk2-platforms-04910ceb352b54fe8edac4c20d9a6515cd5fdad5.tar.xz | |
MdeModulePkg XhciPei/UsbBusPei: Enhance code for better device compatibility.
1. Add delay after set device address and get configuration descriptor.
2. Sync the change at R15876 in XhciDxe to do not access transfer ring when endpoint is isochronous type or control type.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16105 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Bus/Usb/UsbBusPei/UsbPeim.c')
| -rw-r--r-- | MdeModulePkg/Bus/Usb/UsbBusPei/UsbPeim.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/MdeModulePkg/Bus/Usb/UsbBusPei/UsbPeim.c b/MdeModulePkg/Bus/Usb/UsbBusPei/UsbPeim.c index 947864bd27..f350021862 100644 --- a/MdeModulePkg/Bus/Usb/UsbBusPei/UsbPeim.c +++ b/MdeModulePkg/Bus/Usb/UsbBusPei/UsbPeim.c @@ -720,6 +720,7 @@ PeiConfigureUsbDevice ( DEBUG ((EFI_D_ERROR, "PeiUsbSetDeviceAddress Failed: %r\n", Status));
return Status;
}
+ MicroSecondDelay (USB_SET_DEVICE_ADDRESS_STALL);
PeiUsbDevice->DeviceAddress = *DeviceAddress;
@@ -750,6 +751,7 @@ PeiConfigureUsbDevice ( if (EFI_ERROR (Status)) {
return Status;
}
+ MicroSecondDelay (USB_GET_CONFIG_DESCRIPTOR_STALL);
Status = PeiUsbSetConfiguration (
PeiServices,
@@ -809,6 +811,7 @@ PeiUsbGetAllConfiguration ( DEBUG ((EFI_D_ERROR, "PeiUsbGet Config Descriptor First Failed\n"));
return Status;
}
+ MicroSecondDelay (USB_GET_CONFIG_DESCRIPTOR_STALL);
ConfigDesc = (EFI_USB_CONFIG_DESCRIPTOR *) PeiUsbDevice->ConfigurationData;
ConfigDescLength = ConfigDesc->TotalLength;
|