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Re: [PATCH] ath9k: Properly use unlikely check macro

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On Fri, Dec 03, 2010 at 10:14:07AM +0530, Mohammed Shafi wrote:
> On Friday 03 December 2010 01:51 AM, John W. Linville wrote:
> >On Mon, Nov 29, 2010 at 08:57:57PM +0530, Mohammed Shafi Shajakhan wrote:
> >>From: Mohammed Shafi Shajakhan<mshajakhan@xxxxxxxxxxx>
> >>
> >>AUTOSLEEP feature is enabled only AR9003 and later chips.So unlikely
> >>macro should be used only to check whether auto-sleep feature is enabled
> >>
> >>Signed-off-by: Mohammed Shafi Shajakhan<mshajakhan@xxxxxxxxxxx>
> >>---
> >>  drivers/net/wireless/ath/ath9k/recv.c |    6 +++---
> >>  1 files changed, 3 insertions(+), 3 deletions(-)
> >>
> >>diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
> >>index 262c815..751ee1b 100644
> >>--- a/drivers/net/wireless/ath/ath9k/recv.c
> >>+++ b/drivers/net/wireless/ath/ath9k/recv.c
> >>@@ -1743,10 +1743,10 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
> >>  		}
> >>
> >>  		spin_lock_irqsave(&sc->sc_pm_lock, flags);
> >>-		if (unlikely(ath9k_check_auto_sleep(sc) ||
> >>-			     (sc->ps_flags&  (PS_WAIT_FOR_BEACON |
> >>+		if ((sc->ps_flags&  (PS_WAIT_FOR_BEACON |
> >>  					      PS_WAIT_FOR_CAB |
> >>-					      PS_WAIT_FOR_PSPOLL_DATA))))
> >>+					      PS_WAIT_FOR_PSPOLL_DATA)) ||
> >>+				unlikely(ath9k_hw_check_auto_sleep(sc)))
> >>  			ath_rx_ps(sc, skb);
> >>  		spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
> >What tree is this against?
> 2.6.37-rc4 ..Any problems in applying.Do I have to resend it based
> on the latest pull ?

Did you compile it?

/home/linville/git/linux-2.6
[linville-8530p.local]:> git describe
v2.6.37-rc4

/home/linville/git/linux-2.6
[linville-8530p.local]:> grep ath9k_hw_check_auto_sleep drivers/net/wireless/ath/ath9k/*

John
-- 
John W. Linville		Someday the world will need a hero, and you
linville@xxxxxxxxxxxxx			might be all we have.  Be ready.
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