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authorNick Kossifidis <mickflemm@gmail.com>2010-11-23 21:48:32 +0200
committerJohn W. Linville <linville@tuxdriver.com>2010-11-30 13:53:44 -0500
commit73a06a683455f472cc09ad249064c66a41e29e39 (patch)
tree44679588073799d3031a88ec590e5ce9a9d30897 /drivers/net/wireless/ath/ath5k/phy.c
parent3bb17654605965226e5b322dbc22ece5ff354ac5 (diff)
ath5k: Use correct clock when setting ofdm timings
* 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>
Diffstat (limited to 'drivers/net/wireless/ath/ath5k/phy.c')
-rw-r--r--drivers/net/wireless/ath/ath5k/phy.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c
index 31239ab6a00..95b602b4f44 100644
--- a/drivers/net/wireless/ath/ath5k/phy.c
+++ b/drivers/net/wireless/ath/ath5k/phy.c
@@ -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