Re: [PATCH v2 1/3] usb: notify hcd when USB device suspend or resume

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On 05/06/2015 10:35 PM, Alan Stern wrote:
diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
>index 68b1e83..621d9b7 100644
>--- a/include/linux/usb/hcd.h
>+++ b/include/linux/usb/hcd.h
>@@ -383,7 +383,13 @@ struct hc_driver {
>  	int	(*find_raw_port_number)(struct usb_hcd *, int);
>  	/* Call for power on/off the port if necessary */
>  	int	(*port_power)(struct usb_hcd *hcd, int portnum, bool enable);
>-
>+	/* Call back to hcd when a USB device is going to suspend or just
>+	 * resumed.
>+	 */
>+	void	(*device_suspend)(struct usb_hcd *, struct usb_device *udev,
>+			pm_message_t msg);
>+	void	(*device_resume)(struct usb_hcd *, struct usb_device *udev,
>+			pm_message_t msg);
>  };
Your callbacks don't use the msg argument.  What makes you think it is
needed?

'msg' arguments are not used in this patch series. I will remove them.


Alan Stern

Thank you,
Baolu
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