netdev - Re: [PATCH v2 0/7] USB: don't recover device if suspend fails in system sleep

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Date:	Thu, 07 Mar 2013 15:28:07 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	ming.lei@...onical.com
Cc:	gregkh@...uxfoundation.org, jkosina@...e.cz,
	stern@...land.harvard.edu, oneukum@...e.de, netdev@...r.kernel.org,
	linux-usb@...r.kernel.org, linux-input@...r.kernel.org
Subject: Re: [PATCH v2 0/7] USB: don't recover device if suspend fails in
 system sleep

From: Ming Lei <ming.lei@...onical.com>
Date: Fri,  8 Mar 2013 00:15:17 +0800

> This patch adds comments on interface driver suspend callback
> to emphasize that the failure return value is ignored by
> USB core in system sleep context, so do not try to recover
> device for this case, otherwise the recovery things may confuse
> resume().
> 
> Also fixes the USB serial, HID and several usbnet drivers
> which may recover device in suspend failure path of system sleep.
> 
> v2:
> 	- improve comments on suspend callback as suggested by Alan
> 	- update kerneldoc for usb_suspend_both as suggested by Alan
> 	- remove previous check of PMSG_IS_AUTO(message) in cdc_mbim/
> 	qmi_wwan and add comments on suspend failure case, since Bjørn
> 	doesn't like the check.
> 	- add comments on smsc95xx/smsc75xx
> v1:
>         - fix compile failure
>         - add comments about handling suspend failure in resume()

Feel free to merge this via the USB tree and to add my ACK to the
networking driver bits:

Acked-by: David S. Miller <davem@...emloft.net>
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