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ath9k_hw: fix MAC clock rate for AR9287 v1.3+

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This chip uses the async FIFO feature and runs the MAC at 117 MHz

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2011-07-09 11:12:49 +07:00 committed by John W. Linville
parent 906c720527
commit 087b6ff682
1 changed files with 4 additions and 1 deletions
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5
drivers/net/wireless/ath/ath9k/hw.c
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@ -87,7 +87,10 @@ static void ath9k_hw_set_clockrate(struct ath_hw *ah)
struct ath_common *common = ath9k_hw_common(ah); struct ath_common *common = ath9k_hw_common(ah);
unsigned int clockrate; 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; clockrate = ATH9K_CLOCK_RATE_CCK;
else if (conf->channel->band == IEEE80211_BAND_2GHZ) else if (conf->channel->band == IEEE80211_BAND_2GHZ)
clockrate = ATH9K_CLOCK_RATE_2GHZ_OFDM; clockrate = ATH9K_CLOCK_RATE_2GHZ_OFDM;