usb: ehci-sh: Fix up fault in shutdown path.

We can't use the generic usb_hcd_platform_shutdown helper on account of
the fact we don't stash the hcd pointer in the driver data, so we provide
our own shutdown handler.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 10 insertions, 1 deletions

diff --git a/drivers/usb/host/ehci-sh.c b/drivers/usb/host/ehci-sh.c
index 430b72e637fd..9d3a29f8ced5 100644
--- a/drivers/usb/host/ehci-sh.c
+++ b/drivers/usb/host/ehci-sh.c
@@ -219,10 +219,19 @@ static int __exit ehci_hcd_sh_remove(struct platform_device *pdev)
         return 0;
 }
 
+static void ehci_hcd_sh_shutdown(struct platform_device *pdev)
+{
+        struct ehci_sh_priv *priv = platform_get_drvdata(pdev);
+        struct usb_hcd *hcd = priv->hcd;
+
+        if (hcd->driver->shutdown)
+                hcd->driver->shutdown(hcd);
+}
+
 static struct platform_driver ehci_hcd_sh_driver = {
         .probe          = ehci_hcd_sh_probe,
         .remove         = __exit_p(ehci_hcd_sh_remove),
-        .shutdown       = usb_hcd_platform_shutdown,
+        .shutdown       = ehci_hcd_sh_shutdown,
         .driver         = {
                 .name   = "sh_ehci",
                 .owner  = THIS_MODULE,