diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2010-10-08 22:13:51 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-10-11 15:04:19 -0400 |
| commit | dfdac8ac033c9ad048a5c68563bd41bda6c5e60b (patch) | |
| tree | fa8b5c6b3e0cd6237f646ef5bcafd7272d7262c6 /drivers/net/wireless/ath/ath9k/hw.c | |
| parent | 62c58fb4316905cd9c1dbf01967935ed5610b45d (diff) | |
ath9k_hw: store the clock rate in common data on channel changes
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/hw.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/hw.c | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 05e9935ef16..f5d79177770 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -88,29 +88,32 @@ static void ath9k_hw_ani_cache_ini_regs(struct ath_hw *ah) /* Helper Functions */ /********************/ -static u32 ath9k_hw_mac_clks(struct ath_hw *ah, u32 usecs) +static void ath9k_hw_set_clockrate(struct ath_hw *ah) { struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf; + struct ath_common *common = ath9k_hw_common(ah); + unsigned int clockrate; if (!ah->curchan) /* should really check for CCK instead */ - return usecs *ATH9K_CLOCK_RATE_CCK; - if (conf->channel->band == IEEE80211_BAND_2GHZ) - return usecs *ATH9K_CLOCK_RATE_2GHZ_OFDM; - - if (ah->caps.hw_caps & ATH9K_HW_CAP_FASTCLOCK) - return usecs * ATH9K_CLOCK_FAST_RATE_5GHZ_OFDM; + clockrate = ATH9K_CLOCK_RATE_CCK; + else if (conf->channel->band == IEEE80211_BAND_2GHZ) + clockrate = ATH9K_CLOCK_RATE_2GHZ_OFDM; + else if (ah->caps.hw_caps & ATH9K_HW_CAP_FASTCLOCK) + clockrate = ATH9K_CLOCK_FAST_RATE_5GHZ_OFDM; else - return usecs * ATH9K_CLOCK_RATE_5GHZ_OFDM; + clockrate = ATH9K_CLOCK_RATE_5GHZ_OFDM; + + if (conf_is_ht40(conf)) + clockrate *= 2; + + common->clockrate = clockrate; } static u32 ath9k_hw_mac_to_clks(struct ath_hw *ah, u32 usecs) { - struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf; + struct ath_common *common = ath9k_hw_common(ah); - if (conf_is_ht40(conf)) - return ath9k_hw_mac_clks(ah, usecs) * 2; - else - return ath9k_hw_mac_clks(ah, usecs); + return usecs * common->clockrate; } bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout) @@ -1156,6 +1159,7 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah, "Failed to set channel\n"); return false; } + ath9k_hw_set_clockrate(ah); ah->eep_ops->set_txpower(ah, chan, ath9k_regd_get_ctl(regulatory, chan), @@ -1368,6 +1372,8 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, if (r) return r; + ath9k_hw_set_clockrate(ah); + ENABLE_REGWRITE_BUFFER(ah); for (i = 0; i < AR_NUM_DCU; i++) |