usbnet: runtime wake up device before calling usbnet_{read|write}_cmd

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This patch gets the runtime PM reference count before calling
usbnet_{read|write}_cmd, and puts it after completion of the
usbnet_{read|write}_cmd, so that the usb control message can always
be sent to one active device in the non-PM context.

Signed-off-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Ming Lei 2012-11-06 04:53:08 +00:00 • committed by David S. Miller

parent ec32115db2

commit 6f0a0986e3

1 changed files with 16 additions and 4 deletions

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20

drivers/net/usb/usbnet.c

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