ath9k: fix channel frequency calculation for AR9340
Gabor Juhos [Tue, 21 Jun 2011 09:23:33 +0000 (11:23 +0200)]
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>

drivers/net/wireless/ath/ath9k/ar9003_phy.c

index 2df72cb..1194eeb 100644 (file)
@@ -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);