From: Ran Wang <ran.wang_1@xxxxxxx> commit b433e340e7565110b0ce9ca4b3e26f4b97a1decf upstream. When loading new kernel via kexec, we need to shutdown host controller to avoid any un-expected memory accessing during new kernel boot. Signed-off-by: Ran Wang <ran.wang_1@xxxxxxx> Cc: stable <stable@xxxxxxxxxxxxxxx> Tested-by: Stephen Boyd <swboyd@xxxxxxxxxxxx> Reviewed-by: Peter Chen <peter.chen@xxxxxxx> Link: https://lore.kernel.org/r/20200306092328.41253-1-ran.wang_1@xxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/usb/host/xhci-plat.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -445,6 +445,7 @@ MODULE_DEVICE_TABLE(acpi, usb_xhci_acpi_ static struct platform_driver usb_xhci_driver = { .probe = xhci_plat_probe, .remove = xhci_plat_remove, + .shutdown = usb_hcd_platform_shutdown, .driver = { .name = "xhci-hcd", .pm = &xhci_plat_pm_ops,
