* [PATCH v3 18/20] ath: do not update cycle counters with sleep mode
@ 2012-06-04 10:58 Sujith Manoharan
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From: Sujith Manoharan @ 2012-06-04 10:58 UTC (permalink / raw)
To: linville; +Cc: linux-wireless
From: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
When the chip is waking up from sleep state, the cycle counters
might have incorrect readings. So it is better not to update those
readings with software counters.
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
---
drivers/net/wireless/ath/ath9k/main.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 7777f43..b0790cd 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -101,6 +101,7 @@ void ath9k_ps_wakeup(struct ath_softc *sc)
spin_lock(&common->cc_lock);
ath_hw_cycle_counters_update(common);
memset(&common->cc_survey, 0, sizeof(common->cc_survey));
+ memset(&common->cc_ani, 0, sizeof(common->cc_ani));
spin_unlock(&common->cc_lock);
}
--
1.7.10.3
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