From: Senthil Balasubramanian Date: Thu, 15 Apr 2010 21:38:30 +0000 (-0400) Subject: ath9k_hw: prevent reset control register zeroing on AR9003 reset X-Git-Tag: firefly_0821_release~9833^2~2087^2~167^2~255 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=84e2169b0fead5d87de0a29f17a06fba904bc46b;p=firefly-linux-kernel-4.4.55.git ath9k_hw: prevent reset control register zeroing on AR9003 reset Also, no need for the udelay(2) on AR9003 hardware. Signed-off-by: Senthil Balasubramanian Signed-off-by: Luis R. Rodriguez Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 034b6fdf01f3..601dbf79cc0d 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1385,9 +1385,11 @@ static bool ath9k_hw_set_reset_power_on(struct ath_hw *ah) REG_WRITE(ah, AR_RC, AR_RC_AHB); REG_WRITE(ah, AR_RTC_RESET, 0); - udelay(2); - if (!AR_SREV_9100(ah)) + if (!AR_SREV_9300_20_OR_LATER(ah)) + udelay(2); + + if (!AR_SREV_9100(ah) && !AR_SREV_9300_20_OR_LATER(ah)) REG_WRITE(ah, AR_RC, 0); REG_WRITE(ah, AR_RTC_RESET, 1);