This is a note to let you know that I've just added the patch titled
ath9k: fix a chip wakeup related crash in ath9k_start
to the 2.6.38-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-a-chip-wakeup-related-crash-in-ath9k_start.patch
and it can be found in the queue-2.6.38 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From f62d816fc4324afbb7cf90110c70b6a14139b225 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <[email protected]>
Date: Fri, 25 Mar 2011 17:43:41 +0100
Subject: ath9k: fix a chip wakeup related crash in ath9k_start
From: Felix Fietkau <[email protected]>
commit f62d816fc4324afbb7cf90110c70b6a14139b225 upstream.
When the chip is still asleep when ath9k_start is called,
ath9k_hw_configpcipowersave can trigger a data bus error.
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 | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1063,6 +1063,8 @@ static int ath9k_start(struct ieee80211_
"Starting driver with initial channel: %d MHz\n",
curchan->center_freq);
+ ath9k_ps_wakeup(sc);
+
mutex_lock(&sc->mutex);
if (ath9k_wiphy_started(sc)) {
@@ -1179,6 +1181,8 @@ static int ath9k_start(struct ieee80211_
mutex_unlock:
mutex_unlock(&sc->mutex);
+ ath9k_ps_restore(sc);
+
return r;
}
Patches currently in stable-queue which might be from [email protected] are
queue-2.6.38/mac80211-fix-a-crash-in-minstrel_ht-in-ht-mode-with-no-supported-mcs-rates.patch
queue-2.6.38/mac80211-initialize-sta-last_rx-in-sta_info_alloc.patch
queue-2.6.38/ath9k-fix-a-chip-wakeup-related-crash-in-ath9k_start.patch
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