Commit 5410a473 authored by Ming Lei's avatar Ming Lei Committed by Greg Kroah-Hartman

usbnet: smsc75xx: don't recover device if suspend fails in system sleep

If suspend callback fails in system sleep context, usb core will
ignore the failure and let system sleep go ahead further, so
this patch doesn't recover device under this situation.

Also add comments on this case.
Acked-by: default avatarDavid S. Miller <davem@davemloft.net>
Cc: Steve Glendinning <steve.glendinning@shawell.net>
Signed-off-by: default avatarMing Lei <ming.lei@canonical.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 0d41be53
......@@ -2011,7 +2011,11 @@ static int smsc75xx_suspend(struct usb_interface *intf, pm_message_t message)
ret = smsc75xx_enter_suspend0(dev);
done:
if (ret)
/*
* TODO: resume() might need to handle the suspend failure
* in system sleep
*/
if (ret && PMSG_IS_AUTO(message))
usbnet_resume(intf);
return ret;
}
......
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