[edk2-devel] [PATCH 2/2] MdeModulePkg/UsbBusDxe: Reset the device on error

[Sean Rhodes]

Try a port reset if GetPortStatus returns and error.

Cc: Hao A Wu <hao.a.wu at intel.com>
Cc: Ray Ni <ray.ni at intel.com>
Signed-off-by: Sean Rhodes <sean at starlabs.systems>
---
 MdeModulePkg/Bus/Usb/UsbBusDxe/UsbEnumer.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbEnumer.c b/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbEnumer.c
index 7fc567898a..13112be2a5 100644
--- a/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbEnumer.c
+++ b/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbEnumer.c
@@ -992,7 +992,9 @@ UsbEnumeratePort (
     // Now, new device connected, enumerate and configure the device
     //
     DEBUG ((DEBUG_INFO, "UsbEnumeratePort: new device connected at port %d\n", Port));
-    if (USB_BIT_IS_SET (PortState.PortChangeStatus, USB_PORT_STAT_C_RESET)) {
+    if (USB_BIT_IS_SET (PortState.PortChangeStatus, USB_PORT_STAT_C_RESET) &&
+        (Status != EFI_DEVICE_ERROR))
+    {
       Status = UsbEnumerateNewDev (HubIf, Port, FALSE);
     } else {
       Status = UsbEnumerateNewDev (HubIf, Port, TRUE);
-- 
2.34.1



-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#93990): https://edk2.groups.io/g/devel/message/93990
Mute This Topic: https://groups.io/mt/93802899/1813853
Group Owner: devel+owner at edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [edk2-devel-archive at redhat.com]
-=-=-=-=-=-=-=-=-=-=-=-