From 906c720527b23ba8c99683ea5f9ea1f9d7749e8c Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sat, 9 Jul 2011 11:12:48 +0700
Subject: [PATCH] ath9k_hw: fix MAC clock for half/quarter rate
Enabling half/quarter rate makes the MAC run at half/quarter clock speed.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
drivers/net/wireless/ath/ath9k/hw.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index a6bb9c4f8a87..f69c62e36ed8 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -99,6 +99,13 @@ static void ath9k_hw_set_clockrate(struct ath_hw *ah)
if (conf_is_ht40(conf))
clockrate *= 2;
+ if (ah->curchan) {
+ if (IS_CHAN_HALF_RATE(ah->curchan))
+ clockrate /= 2;
+ if (IS_CHAN_QUARTER_RATE(ah->curchan))
+ clockrate /= 4;
+ }
+
common->clockrate = clockrate;
}
--
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