* [PATCH v2] MdeModulePkg/UsbBusDxe: Rebuild the description table after Reset Device
@ 2020-04-26 7:24 Guomin Jiang
0 siblings, 0 replies; only message in thread
From: Guomin Jiang @ 2020-04-26 7:24 UTC (permalink / raw)
To: devel; +Cc: Jian J Wang, Hao A Wu, Ray Ni
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2694
When the USB fail and then Reset Device, it should rebuild description.
Signed-off-by: Guomin Jiang <guomin.jiang@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Hao A Wu <hao.a.wu@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
---
MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBus.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBus.c b/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBus.c
index 4b4915c019..90548da38b 100644
--- a/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBus.c
+++ b/MdeModulePkg/Bus/Usb/UsbBusDxe/UsbBus.c
@@ -869,6 +869,18 @@ UsbIoPortReset (
DEBUG (( EFI_D_INFO, "UsbIoPortReset: device is now ADDRESSED at %d\n", Dev->Address));
+ Status = UsbGetMaxPacketSize0 (Dev);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "UsbIoPortRest: Fail to get max packet size - %r\n", Status));
+ goto ON_EXIT;
+ }
+
+ Status = UsbBuildDescTable (Dev);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "UsbIoPortRest: Fail to build description table - %r\n", Status));
+ goto ON_EXIT;
+ }
+
//
// Reset the current active configure, after this device
// is in CONFIGURED state.
--
2.25.1.windows.1
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