usb: renesas_usbhs: remove callback when module removed.
The callback function which is called from platform must be removed
if module removed.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c
index d9ad60d..fda586d 100644
--- a/drivers/usb/renesas_usbhs/common.c
+++ b/drivers/usb/renesas_usbhs/common.c
@@ -352,9 +352,13 @@
static int __devexit usbhs_remove(struct platform_device *pdev)
{
struct usbhs_priv *priv = usbhsc_pdev_to_priv(pdev);
+ struct renesas_usbhs_platform_info *info = pdev->dev.platform_data;
+ struct renesas_usbhs_driver_callback *dfunc = &info->driver_callback;
dev_dbg(&pdev->dev, "usb remove\n");
+ dfunc->notify_hotplug = NULL;
+
pm_runtime_disable(&pdev->dev);
usbhsc_bus_ctrl(priv, 0);
diff --git a/include/linux/usb/renesas_usbhs.h b/include/linux/usb/renesas_usbhs.h
index 565bca3..66bbdd1 100644
--- a/include/linux/usb/renesas_usbhs.h
+++ b/include/linux/usb/renesas_usbhs.h
@@ -143,7 +143,7 @@
({ \
struct renesas_usbhs_driver_callback *dc; \
dc = &(renesas_usbhs_get_info(pdev)->driver_callback); \
- if (dc) \
+ if (dc && dc->notify_hotplug) \
dc->notify_hotplug(pdev); \
})
#endif /* RENESAS_USB_H */