ath9k: fix 5 ghz frequency selection on ar934x devices with 25 mhz refclock

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@32705 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 13 insertions, 0 deletions

diff --git a/package/mac80211/patches/575-ath9k_fix_25mhz_freq_sel.patch b/package/mac80211/patches/575-ath9k_fix_25mhz_freq_sel.patch
new file mode 100644
index 0000000000..67c1b4c0f0
--- /dev/null
+++ b/package/mac80211/patches/575-ath9k_fix_25mhz_freq_sel.patch
@@ -0,0 +1,13 @@
+--- 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 
+ 		    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);