| From b433e340e7565110b0ce9ca4b3e26f4b97a1decf Mon Sep 17 00:00:00 2001 |
| From: Ran Wang <ran.wang_1@nxp.com> |
| Date: Fri, 6 Mar 2020 17:23:28 +0800 |
| Subject: usb: host: xhci-plat: add a shutdown |
| |
| 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 |
| @@ -284,6 +284,7 @@ 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 = DEV_PM_OPS, |
