2009-09-17 03:56:39

by Sujith

[permalink] [raw]
Subject: [PATCH 06/12] ath9k: Don't read NF when chip has gone through full sleep mode

From: Vasanthakumar Thiagarajan <[email protected]>

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 <[email protected]>
---
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