From: Ming Lei <ming.lei@canonical.com>
Date: Tue, 19 Jun 2012 21:15:53 +0000 (+0000)
Subject: usbnet: handle remote wakeup asap
X-Git-Tag: v3.5-rc5~17^2~22
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=65841fd5132c3941cdf5df09e70df3ed28323212;p=pandora-kernel.git

usbnet: handle remote wakeup asap

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@canonical.com>
Acked-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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