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OptionRomPkg: Ax88772b: Fixing register access issue in Apple Eth Adapter

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The USB command CMD_RXQTC ("RX Queue Cascade Threshold Control") tries
to access the register and is always failing when using the Apple
Ethernet adapter.

It is fixed by checking flag before sending command.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Shivamurthy Shastri <shivamurthy.shastri@linaro.org>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
This commit is contained in:
Shivamurthy Shastri
2016-03-30 17:14:14 +08:00
committed by Ruiyu Ni
parent 45e675f2d0
commit 7361d3ff88
3 changed files with 51 additions and 9 deletions
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19
OptionRomPkg/Bus/Usb/UsbNetworking/Ax88772b/Ax88772.c
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@@ -625,15 +625,18 @@ Ax88772Reset (
if (EFI_ERROR(Status)) goto err;
SetupMsg.RequestType = USB_REQ_TYPE_VENDOR
| USB_TARGET_DEVICE;
SetupMsg.Request = CMD_RXQTC;
SetupMsg.Value = 0x8000;
SetupMsg.Index = 0x8001;
SetupMsg.Length = 0;
Status = Ax88772UsbCommand ( pNicDevice,
if (pNicDevice->Flags != FLAG_TYPE_AX88772) {
SetupMsg.RequestType = USB_REQ_TYPE_VENDOR
| USB_TARGET_DEVICE;
SetupMsg.Request = CMD_RXQTC;
SetupMsg.Value = 0x8000;
SetupMsg.Index = 0x8001;
SetupMsg.Length = 0;
Status = Ax88772UsbCommand ( pNicDevice,
&SetupMsg,
NULL );
NULL );
}
err:
return Status;
}