Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.14 018/148] usb: host: xhci-plat: add a shutdown | Date | Wed, 1 Apr 2020 18:16:50 +0200 |
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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 @@ -416,6 +416,7 @@ 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,
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