netdev - Re: [PATCH -v1 3/3] usbnet: handle remote wakeup asap

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Date:	Wed, 20 Jun 2012 09:46:06 +0200
From:	Oliver Neukum <oneukum@...e.de>
To:	Ming Lei <ming.lei@...onical.com>
Cc:	"David S. Miller" <davem@...emloft.net>,
	"Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
	netdev@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH -v1 3/3] usbnet: handle remote wakeup asap

Am Mittwoch, 20. Juni 2012, 09:15:53 schrieb Ming Lei:
> If usbnet is resumed by remote wakeup, generally there are
> some packets comming to be handled, so allocate and submit
> rx URBs in usbnet_resume to avoid delays introduced by tasklet.
> Otherwise, usbnet may have been runtime suspended before the
> usbnet_bh is executed to schedule Rx URBs.
> 
> Without the patch, usbnet can't recieve any packets from peer
> in runtime suspend state if runtime PM is enabled and
> autosuspend_delay is set as zero.
> 
> Signed-off-by: Ming Lei <ming.lei@...onical.com>
Acked-by: Oliver Neukum <oneukum@...e.de>
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