ath5k: Use mac80211 channel mapping function
Use mac80211 channel mapping function instead of own homegrown version.
Signed-off-by: Bruno Randolf <br1@einfach.org>
Acked-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 019a74d..c017758 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -242,18 +242,6 @@
\********************/
/*
- * Convert IEEE channel number to MHz frequency.
- */
-static inline short
-ath5k_ieee2mhz(short chan)
-{
- if (chan <= 14 || chan >= 27)
- return ieee80211chan2mhz(chan);
- else
- return 2212 + chan * 20;
-}
-
-/*
* Returns true for the channel numbers used without all_channels modparam.
*/
static bool ath5k_is_standard_channel(short chan)
@@ -274,6 +262,7 @@
unsigned int max)
{
unsigned int i, count, size, chfreq, freq, ch;
+ enum ieee80211_band band;
if (!test_bit(mode, ah->ah_modes))
return 0;
@@ -283,11 +272,13 @@
/* 1..220, but 2GHz frequencies are filtered by check_channel */
size = 220 ;
chfreq = CHANNEL_5GHZ;
+ band = IEEE80211_BAND_5GHZ;
break;
case AR5K_MODE_11B:
case AR5K_MODE_11G:
size = 26;
chfreq = CHANNEL_2GHZ;
+ band = IEEE80211_BAND_2GHZ;
break;
default:
ATH5K_WARN(ah->ah_sc, "bad mode, not copying channels\n");
@@ -296,7 +287,10 @@
for (i = 0, count = 0; i < size && max > 0; i++) {
ch = i + 1 ;
- freq = ath5k_ieee2mhz(ch);
+ freq = ieee80211_channel_to_frequency(ch, band);
+
+ if (freq == 0) /* mapping failed - not a standard channel */
+ continue;
/* Check if channel is supported by the chipset */
if (!ath5k_channel_ok(ah, freq, chfreq))
@@ -307,8 +301,7 @@
/* Write channel info and increment counter */
channels[count].center_freq = freq;
- channels[count].band = (chfreq == CHANNEL_2GHZ) ?
- IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;
+ channels[count].band = band;
switch (mode) {
case AR5K_MODE_11A:
case AR5K_MODE_11G: