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usb: host: xhci-plat: add a shutdown

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commit b433e340e7 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>
This commit is contained in:
Ran Wang
2020-03-06 17:23:28 +08:00
committed by Chris
parent 794e9e75ea
commit 079a9b36fd
1 changed files with 1 additions and 0 deletions
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drivers/usb/host/xhci-plat.c
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@@ -351,6 +351,7 @@ MODULE_DEVICE_TABLE(acpi, usb_xhci_acpi_match);
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,