From: Stanislaw Gruszka Date: Tue, 16 Oct 2012 12:34:12 +0000 (+0200) Subject: rt2x00: usb: fix reset resume X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=761ce8c41ed20ee3af77f2df527edc3f92e6f3bf;p=~shefty%2Frdma-dev.git rt2x00: usb: fix reset resume Patch fixes warnings like below happened on resume: WARNING: at net/mac80211/driver-ops.h:12 check_sdata_in_driver+0x32/0x34() Problem is that in __ieee80211_susped() we remove sdata (i.e wlan0 interface) and then during resume we call usb_unbind_interface() -> ieee80211_unregister_hw() with sdata removed. Patch fixes problem by adding .reset_resume calback, hence we do not unbind usb device on resume. This callback can be the same as normal .resume callback, sice we do all needed initalization during interface start, which is performed on resume [ ieee80211_resume() -> ieee80211_reconfig() -> rt2x00mac_start() -> rt2x00lib_start ]. Resolves: https://bugzilla.kernel.org/show_bug.cgi?id=48041 Reported-by: David Herrmann Reported-and-tested-by: Stephen Boyd Cc: stable@vger.kernel.org Signed-off-by: Stanislaw Gruszka Acked-by: Gertjan van Wingerde Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index a12e84f892b..6b2e1e431dd 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1988,6 +1988,7 @@ static struct usb_driver rt2500usb_driver = { .disconnect = rt2x00usb_disconnect, .suspend = rt2x00usb_suspend, .resume = rt2x00usb_resume, + .reset_resume = rt2x00usb_resume, .disable_hub_initiated_lpm = 1, }; diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index c9e9370eb78..3b8fb5a603f 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -1282,6 +1282,7 @@ static struct usb_driver rt2800usb_driver = { .disconnect = rt2x00usb_disconnect, .suspend = rt2x00usb_suspend, .resume = rt2x00usb_resume, + .reset_resume = rt2x00usb_resume, .disable_hub_initiated_lpm = 1, }; diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index e5eb43b3eee..24eec66e9fd 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -2535,6 +2535,7 @@ static struct usb_driver rt73usb_driver = { .disconnect = rt2x00usb_disconnect, .suspend = rt2x00usb_suspend, .resume = rt2x00usb_resume, + .reset_resume = rt2x00usb_resume, .disable_hub_initiated_lpm = 1, };