From: Ran Wang ran.wang_1@nxp.com
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@nxp.com Cc: stable stable@vger.kernel.org Tested-by: Stephen Boyd swboyd@chromium.org Reviewed-by: Peter Chen peter.chen@nxp.com Link: https://lore.kernel.org/r/20200306092328.41253-1-ran.wang_1@nxp.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- 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 @@ -443,6 +443,7 @@ 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,