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Commit 290c8a77 authored by Sujith Manoharan's avatar Sujith Manoharan Committed by John W. Linville
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ath9k: Fix offchannel flush timeout 



An offchannel operation also needs to have
a flush timeout that doesn't exceed the NoA
absence duration of a GO context, so use
channel_switch_time. The first offchannel
operation is set a flush timeout of 10ms since
channel_switch_time will be zero.

Signed-off-by: default avatarSujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 67259d51

drivers/net/wireless/ath/ath9k/channel.c

+20 −0
Original line number Diff line number Diff line
@@ -207,6 +207,26 @@ void ath_chanctx_check_active(struct ath_softc *sc, struct ath_chanctx *ctx) 
	if (!ctx)

		return;



	if (ctx == &sc->offchannel.chan) {

		spin_lock_bh(&sc->chan_lock);



		if (likely(sc->sched.channel_switch_time))

			ctx->flush_timeout =

				usecs_to_jiffies(sc->sched.channel_switch_time);

		else

			ctx->flush_timeout =

				msecs_to_jiffies(10);



		spin_unlock_bh(&sc->chan_lock);



		/*

		 * There is no need to iterate over the

		 * active/assigned channel contexts if

		 * the current context is offchannel.

		 */

		return;

	}



	ictx = ctx;



	list_for_each_entry(avp, &ctx->vifs, list) {