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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Jun 2025 19:09:48.2944 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 07d8e1f1-ffcd-4272-7c34-08dda2d235ae X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB03.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CY4PEPF0000EE30.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA5PPFD911547FB Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Adds a shutdown callback to ensure that the XHCI stack is properly shutdown in reboot/shutdown path. In kexec flow, kernel_restart_prepare() performs actions necessary to prepare the system for a restart and invokes device_shutdown. To ensure proper shutdown attach the dwc3 shutdown implementation which mirrors the remove method. $ kexec -e xhci-hcd xhci-hcd.0.auto: remove, state 1 usb usb1: USB disconnect, device number 1 usb 1-1: USB disconnect, device number 6 xhci-hcd xhci-hcd.0.auto: USB bus 1 deregistered kexec_core: Starting new kernel Signed-off-by: Radhey Shyam Pandey Acked-by: Thinh Nguyen --- Referred implementation from mainline commit ' 85e8a23936ab ("scsi: lpfc: Add shutdown method for kexec"). --- drivers/usb/dwc3/dwc3-xilinx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/dwc3/dwc3-xilinx.c b/drivers/usb/dwc3/dwc3-xilinx.c index 4ca7f6240d07..09c3c5c226ab 100644 --- a/drivers/usb/dwc3/dwc3-xilinx.c +++ b/drivers/usb/dwc3/dwc3-xilinx.c @@ -422,6 +422,7 @@ static const struct dev_pm_ops dwc3_xlnx_dev_pm_ops =3D= { static struct platform_driver dwc3_xlnx_driver =3D { .probe =3D dwc3_xlnx_probe, .remove =3D dwc3_xlnx_remove, + .shutdown =3D dwc3_xlnx_remove, .driver =3D { .name =3D "dwc3-xilinx", .of_match_table =3D dwc3_xlnx_of_match, base-commit: a0bea9e39035edc56a994630e6048c8a191a99d8 --=20 2.34.1