From af32fe511374f17feb137d7fbfe2f4c73a8f531c Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Thu, 21 Apr 2011 14:10:16 +0900 Subject: [PATCH] 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 Signed-off-by: Greg Kroah-Hartman --- drivers/usb/renesas_usbhs/common.c | 4 ++++ include/linux/usb/renesas_usbhs.h | 2 +- 2 files changed, 5 insertions(+), 1 deletion(-) 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 @@ probe_end_kfree: 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_platform_info { ({ \ 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 */ -- 2.7.4