From: Felix Fietkau <nbd@openwrt.org>
Date: Fri, 13 Jul 2012 23:26:54 +0000 (+0200)
Subject: ath9k_hw: fix 5 GHz frequency selection on AR934x/AR955x with 25 MHz refclock
X-Git-Tag: v3.6-rc1~125^2~57^2~53
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=530275e52b00e04018fb20e83377e0572944ea97;p=platform%2Fkernel%2Flinux-stable.git

ath9k_hw: fix 5 GHz frequency selection on AR934x/AR955x with 25 MHz refclock

The old code was an accidental copy&paste of the 2.4 GHz version,
which doesn't work.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index d2346db..e476f9f 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -117,8 +117,8 @@ static int ar9003_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
 		    ah->is_clk_25mhz) {
 			u32 chan_frac;
 
-			channelSel = (freq * 2) / 75;
-			chan_frac = (((freq * 2) % 75) * 0x20000) / 75;
+			channelSel = freq / 75;
+			chan_frac = ((freq % 75) * 0x20000) / 75;
 			channelSel = (channelSel << 17) | chan_frac;
 		} else {
 			channelSel = CHANSEL_5G(freq);