From: Gabor Juhos <juhosg@openwrt.org>
Date: Tue, 21 Jun 2011 09:23:33 +0000 (+0200)
Subject: ath9k: fix channel frequency calculation for AR9340
X-Git-Tag: firefly_0821_release~3680^2~4429^2~12^2~42^2~356
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=dbb204e39fec2dc4800f19eae321ad7e1b95f2fa;p=firefly-linux-kernel-4.4.55.git

ath9k: fix channel frequency calculation for AR9340

A multiplication is missing from the current formula.

Cc: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: Gabor Juhos <juhosg@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 2df72cbaf55c..1194eeb69633 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -104,7 +104,7 @@ static int ar9003_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
 			u32 chan_frac;
 
 			channelSel = (freq * 2) / 75;
-			chan_frac = ((freq % 75) * 0x20000) / 75;
+			chan_frac = (((freq * 2) % 75) * 0x20000) / 75;
 			channelSel = (channelSel << 17) | chan_frac;
 		} else {
 			channelSel = CHANSEL_5G(freq);