USB: atmel_usba_udc: fix freeing irq in usba_udc_remove()

Add a free_irq() call on vbus gpio when we remove udc so that the
vbus irq is properly released.

Signed-off-by: Rob Emanuele <rje@crystalfontz.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index 717ff653fa23..e7c65a4408fb 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -2057,8 +2057,10 @@ static int __exit usba_udc_remove(struct platform_device *pdev)
                 usba_ep_cleanup_debugfs(&usba_ep[i]);
         usba_cleanup_debugfs(udc);
 
-        if (gpio_is_valid(udc->vbus_pin))
+        if (gpio_is_valid(udc->vbus_pin)) {
+                free_irq(gpio_to_irq(udc->vbus_pin), udc);
                 gpio_free(udc->vbus_pin);
+        }
 
         free_irq(udc->irq, udc);
         kfree(usba_ep);