2010-12-23 15:37:08

by Senthil Balasubramanian

[permalink] [raw]
Subject: [PATCH 1/1] ath9k: spin_lock_bh is not required within tasklet context.

Disabling BH is not required while running from a tasklet context
and so replace spin_lock_bh with just spin_lock.

Signed-off-by: Senthil Balasubramanian <[email protected]>
---
drivers/net/wireless/ath/ath9k/main.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 8a1691d..86bb85a 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -599,7 +599,7 @@ void ath9k_tasklet(unsigned long data)
return;
}

- spin_lock_bh(&sc->sc_pcu_lock);
+ spin_lock(&sc->sc_pcu_lock);

if (!ath9k_hw_check_alive(ah))
ieee80211_queue_work(sc->hw, &sc->hw_check_work);
@@ -643,7 +643,7 @@ void ath9k_tasklet(unsigned long data)
/* re-enable hardware interrupt */
ath9k_hw_enable_interrupts(ah);

- spin_unlock_bh(&sc->sc_pcu_lock);
+ spin_unlock(&sc->sc_pcu_lock);
ath9k_ps_restore(sc);
}

--
1.7.3.4