ath5k: Use correct clock when setting ofdm timings
authorNick Kossifidis <mickflemm@gmail.com>
Tue, 23 Nov 2010 19:48:32 +0000 (21:48 +0200)
committerJohn W. Linville <linville@tuxdriver.com>
Tue, 30 Nov 2010 18:53:44 +0000 (13:53 -0500)
 * Use correct clock value when setting OFDM timings on
 non-default bwmodes.

Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/ath/ath5k/phy.c

index 31239ab..95b602b 100644 (file)
@@ -228,8 +228,20 @@ static inline int ath5k_hw_write_ofdm_timings(struct ath5k_hw *ah,
         * ALGO: coef = (5 * clock / carrier_freq) / 2
         * we scale coef by shifting clock value by 24 for
         * better precision since we use integers */
-       /* TODO: Half/quarter rate */
-       clock =  (channel->hw_value & CHANNEL_TURBO) ? 80 : 40;
+       switch (ah->ah_bwmode) {
+       case AR5K_BWMODE_40MHZ:
+               clock = 40 * 2;
+               break;
+       case AR5K_BWMODE_10MHZ:
+               clock = 40 / 2;
+               break;
+       case AR5K_BWMODE_5MHZ:
+               clock = 40 / 4;
+               break;
+       default:
+               clock = 40;
+               break;
+       }
        coef_scaled = ((5 * (clock << 24)) / 2) / channel->center_freq;
 
        /* Get exponent