diff options
| author | Radhey Shyam Pandey <radhey.shyam.pandey@amd.com> | 2025-06-04 00:39:31 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-06-19 12:25:46 +0200 |
| commit | 70627bf82e36e61c40c3315e1206e4ea4c02e668 (patch) | |
| tree | cdbcff2a1b14dd81a60b9fdf5514ccf45bfdb556 | |
| parent | 58992bf32830220576a2419f911d62c578702458 (diff) | |
usb: dwc3: xilinx: add shutdown callback
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
<snip>
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 <radhey.shyam.pandey@amd.com>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/1748977771-714153-1-git-send-email-radhey.shyam.pandey@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/dwc3/dwc3-xilinx.c | 1 |
1 files changed, 1 insertions, 0 deletions
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 = { static struct platform_driver dwc3_xlnx_driver = { .probe = dwc3_xlnx_probe, .remove = dwc3_xlnx_remove, + .shutdown = dwc3_xlnx_remove, .driver = { .name = "dwc3-xilinx", .of_match_table = dwc3_xlnx_of_match, |