This is a note to let you know that I've just added the patch titled
ath9k: fix going to full-sleep on PS idle
to the 3.3-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ath9k-fix-going-to-full-sleep-on-ps-idle.patch
and it can be found in the queue-3.3 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From c1afdaff90538ef085b756454f12b29575411214 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <[email protected]>
Date: Sat, 10 Mar 2012 13:57:04 +0100
Subject: ath9k: fix going to full-sleep on PS idle
From: Felix Fietkau <[email protected]>
commit c1afdaff90538ef085b756454f12b29575411214 upstream.
The check for PS_WAIT_FOR_TX_ACK was inverted, the hardware should only go
to full sleep if no tx is pending.
Reported-by: Sujith Manoharan <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/net/wireless/ath/ath9k/main.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -118,13 +118,15 @@ void ath9k_ps_restore(struct ath_softc *
if (--sc->ps_usecount != 0)
goto unlock;
- if (sc->ps_idle && (sc->ps_flags & PS_WAIT_FOR_TX_ACK))
+ if (sc->ps_flags & PS_WAIT_FOR_TX_ACK)
+ goto unlock;
+
+ if (sc->ps_idle)
mode = ATH9K_PM_FULL_SLEEP;
else if (sc->ps_enabled &&
!(sc->ps_flags & (PS_WAIT_FOR_BEACON |
PS_WAIT_FOR_CAB |
- PS_WAIT_FOR_PSPOLL_DATA |
- PS_WAIT_FOR_TX_ACK)))
+ PS_WAIT_FOR_PSPOLL_DATA)))
mode = ATH9K_PM_NETWORK_SLEEP;
else
goto unlock;
Patches currently in stable-queue which might be from [email protected] are
queue-3.3/ath9k-fix-going-to-full-sleep-on-ps-idle.patch
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