From: Felix Fietkau Date: Sat, 9 Jul 2011 04:12:49 +0000 (+0700) Subject: ath9k_hw: fix MAC clock rate for AR9287 v1.3+ X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=087b6ff682ff62c49c9a36ddfd24fc781367b1d1;p=openwrt%2Fstaging%2Fblogic.git ath9k_hw: fix MAC clock rate for AR9287 v1.3+ This chip uses the async FIFO feature and runs the MAC at 117 MHz Signed-off-by: Felix Fietkau 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 f69c62e36ed8..d4084d89c6f7 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -87,7 +87,10 @@ static void ath9k_hw_set_clockrate(struct ath_hw *ah) struct ath_common *common = ath9k_hw_common(ah); unsigned int clockrate; - if (!ah->curchan) /* should really check for CCK instead */ + /* AR9287 v1.3+ uses async FIFO and runs the MAC at 117 MHz */ + if (AR_SREV_9287(ah) && AR_SREV_9287_13_OR_LATER(ah)) + clockrate = 117; + else if (!ah->curchan) /* should really check for CCK instead */ clockrate = ATH9K_CLOCK_RATE_CCK; else if (conf->channel->band == IEEE80211_BAND_2GHZ) clockrate = ATH9K_CLOCK_RATE_2GHZ_OFDM;