diff options
| author | Ran Wang <ran.wang_1@nxp.com> | 2020-03-06 17:23:28 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-04-02 19:02:29 +0200 |
| commit | da117f8449cfa31f41f5135fabba0e9c3bf3e0d5 (patch) | |
| tree | 1049b7ed5f96f6848da9548df9a748b77cc806b1 /drivers/usb/host | |
| parent | f1b59572270cfe32b3f6d1577987b83283f4c18d (diff) | |
usb: host: xhci-plat: add a shutdown
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>
Diffstat (limited to 'drivers/usb/host')
| -rw-r--r-- | drivers/usb/host/xhci-plat.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index 062cf8a84a59..c4c40e9d4247 100644 --- 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_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, |