diff options
Diffstat (limited to 'package/mac80211/patches/520-ath9k_common_clockrate.patch')
| -rw-r--r-- | package/mac80211/patches/520-ath9k_common_clockrate.patch | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/package/mac80211/patches/520-ath9k_common_clockrate.patch b/package/mac80211/patches/520-ath9k_common_clockrate.patch new file mode 100644 index 0000000000..3266e0e103 --- /dev/null +++ b/package/mac80211/patches/520-ath9k_common_clockrate.patch @@ -0,0 +1,116 @@ +--- a/drivers/net/wireless/ath/ath.h ++++ b/drivers/net/wireless/ath/ath.h +@@ -145,6 +145,8 @@ struct ath_common { + DECLARE_BITMAP(tkip_keymap, ATH_KEYMAX); + enum ath_crypt_caps crypt_caps; + ++ unsigned int clockrate; ++ + struct ath_regulatory regulatory; + const struct ath_ops *ops; + const struct ath_bus_ops *bus_ops; +--- a/drivers/net/wireless/ath/ath9k/hw.c ++++ b/drivers/net/wireless/ath/ath9k/hw.c +@@ -91,29 +91,32 @@ static void ath9k_hw_ani_cache_ini_regs( + /* 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) +@@ -1168,6 +1171,7 @@ static bool ath9k_hw_channel_change(stru + "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), +@@ -1380,6 +1384,8 @@ int ath9k_hw_reset(struct ath_hw *ah, st + if (r) + return r; + ++ ath9k_hw_set_clockrate(ah); ++ + ENABLE_REGWRITE_BUFFER(ah); + + for (i = 0; i < AR_NUM_DCU; i++) +--- a/drivers/net/wireless/ath/ath9k/ani.c ++++ b/drivers/net/wireless/ath/ath9k/ani.c +@@ -465,35 +465,13 @@ static void ath9k_hw_ani_lower_immunity( + ath9k_hw_set_cck_nil(ah, aniState->cckNoiseImmunityLevel - 1); + } + +-static u8 ath9k_hw_chan_2_clockrate_mhz(struct ath_hw *ah) +-{ +- struct ath9k_channel *chan = ah->curchan; +- struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf; +- u8 clockrate; /* in MHz */ +- +- if (!ah->curchan) /* should really check for CCK instead */ +- clockrate = ATH9K_CLOCK_RATE_CCK; +- else if (conf->channel->band == IEEE80211_BAND_2GHZ) +- clockrate = ATH9K_CLOCK_RATE_2GHZ_OFDM; +- else if (IS_CHAN_A_FAST_CLOCK(ah, chan)) +- clockrate = ATH9K_CLOCK_FAST_RATE_5GHZ_OFDM; +- else +- clockrate = ATH9K_CLOCK_RATE_5GHZ_OFDM; +- +- if (conf_is_ht40(conf)) +- return clockrate * 2; +- +- return clockrate; +-} +- + static int32_t ath9k_hw_ani_get_listen_time(struct ath_hw *ah) + { ++ struct ath_common *common = ath9k_hw_common(ah); + int32_t listen_time; +- int32_t clock_rate; + + ath9k_hw_update_cycle_counters(ah); +- clock_rate = ath9k_hw_chan_2_clockrate_mhz(ah) * 1000; +- listen_time = ah->listen_time / clock_rate; ++ listen_time = ah->listen_time / (common->clockrate * 1000); + ah->listen_time = 0; + + return listen_time; |