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* [PATCH 06/12] ath9k: Don't read NF when chip has gone through full sleep mode
@ 2009-09-17  3:56 Sujith
  0 siblings, 0 replies; only message in thread
From: Sujith @ 2009-09-17  3:56 UTC (permalink / raw)
  To: linville; +Cc: linux-wireless

From: Vasanthakumar Thiagarajan <vasanth@atheros.com>

NF value may be incorrect when we read it just after the chip
has gone through a full sleep mode. Reading incorrect NF values
affects RX throughput.

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
---
 drivers/net/wireless/ath/ath9k/hw.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 4731ad2..2c904c6 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2357,7 +2357,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 	if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
 		return -EIO;
 
-	if (curchan)
+	if (curchan && !ah->chip_fullsleep)
 		ath9k_hw_getnf(ah, curchan);
 
 	if (bChannelChange &&
-- 
1.6.4.3


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2009-09-17  3:56 [PATCH 06/12] ath9k: Don't read NF when chip has gone through full sleep mode Sujith

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