diff options
| author | Ran Wang <ran.wang_1@nxp.com> | 2020-03-06 17:23:28 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-03-25 08:27:00 +0100 |
| commit | c1e8d29df04c08ff2231013c85bfb951bd562115 (patch) | |
| tree | 3b911cdc0dfafe2511c7a93e0160f3500eacd317 /drivers | |
| parent | 9b965819442720217e1ff4f0cfe3e5c2ffe96b54 (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')
| -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 d90cd5ec09cf..315b4552693c 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -445,6 +445,7 @@ 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 = &xhci_plat_pm_ops, |