ath9k: Stop ANI when doing a reset

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From: Linux Kernel Mailing List
Date: Wednesday, December 30, 2009 - 3:59 pm

Gitweb:     http://git.kernel.org/linus/2ab81d4a9a5ecb13d343269b3cdf5d975c81c570
Commit:     2ab81d4a9a5ecb13d343269b3cdf5d975c81c570
Parent:     e8009e9850d59000d518296af372888911a129bd
Author:     Sujith <Sujith.Manoharan@atheros.com>
AuthorDate: Mon Dec 14 16:34:56 2009 +0530
Committer:  John W. Linville <linville@tuxdriver.com>
CommitDate: Mon Dec 21 11:32:20 2009 -0500

    ath9k: Stop ANI when doing a reset
    
    The MIB counters are disabled when doing a chip reset.
    Since ANI depends on the MIB registers for its operation, relying
    on the contents of said registers during HW reset results in sub-optimal
    performance.
    
    Cc: stable@kernel.org
    Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
    Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 drivers/net/wireless/ath/ath9k/main.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index c487434..9e68c1a 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1973,6 +1973,9 @@ int ath_reset(struct ath_softc *sc, bool retry_tx)
 	struct ieee80211_hw *hw = sc->hw;
 	int r;
 
+	/* Stop ANI */
+	del_timer_sync(&common->ani.timer);
+
 	ath9k_hw_set_interrupts(ah, 0);
 	ath_drain_all_txq(sc, retry_tx);
 	ath_stoprecv(sc);
@@ -2014,6 +2017,9 @@ int ath_reset(struct ath_softc *sc, bool retry_tx)
 		}
 	}
 
+	/* Start ANI */
+	ath_start_ani(common);
+
 	return r;
 }
 
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ath9k: Stop ANI when doing a reset, Linux Kernel Mailing ..., (Wed Dec 30, 3:59 pm)