Commit 9ebef799 authored Sep 17, 2009 by Vasanthakumar Thiagarajan Committed by John W. Linville Sep 23, 2009

ath9k: Don't read NF when chip has gone through full sleep mode



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>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

parent 204d7940

drivers/net/wireless/ath/ath9k/hw.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -2357,7 +2357,7 @@ int ath9k_hw_reset(struct ath_hw ah, struct ath9k_channel chan,
	if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))		if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
	return -EIO;		return -EIO;

	if (curchan)		if (curchan && !ah->chip_fullsleep)
	ath9k_hw_getnf(ah, curchan);		ath9k_hw_getnf(ah, curchan);

	if (bChannelChange &&		if (bChannelChange &&