From e68a060b5d88a72c06ec87864d20bea3f2a40629 Mon Sep 17 00:00:00 2001 From: "Luis R. Rodriguez" Date: Mon, 19 Oct 2009 02:33:41 -0400 Subject: [PATCH] ath9k_hw: use a callback for frequency change This avoids a branch on every channel change. Signed-off-by: Luis R. Rodriguez Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/hw.c | 15 ++++++--------- drivers/net/wireless/ath/ath9k/hw.h | 4 +++- 2 files changed, 9 insertions(+), 10 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index d4dc1cbe00aa..f2b2f45d3a78 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -951,8 +951,11 @@ int ath9k_hw_init(struct ath_hw *ah) ath9k_hw_init_cal_settings(ah); ah->ani_function = ATH9K_ANI_ALL; - if (AR_SREV_9280_10_OR_LATER(ah)) + if (AR_SREV_9280_10_OR_LATER(ah)) { ah->ani_function &= ~ATH9K_ANI_NOISE_IMMUNITY_LEVEL; + ah->ath9k_hw_rf_set_freq = &ath9k_hw_ar9280_set_channel; + } else + ah->ath9k_hw_rf_set_freq = &ath9k_hw_set_channel; ath9k_hw_init_mode_regs(ah); @@ -1889,10 +1892,7 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah, ath9k_hw_set_regs(ah, chan); - if (AR_SREV_9280_10_OR_LATER(ah)) - r = ath9k_hw_ar9280_set_channel(ah, chan); - else - r = ath9k_hw_set_channel(ah, chan); + r = ah->ath9k_hw_rf_set_freq(ah, chan); if (r) { ath_print(common, ATH_DBG_FATAL, "Failed to set channel\n"); @@ -2534,10 +2534,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, REG_WRITE(ah, AR_RSSI_THR, INIT_RSSI_THR); - if (AR_SREV_9280_10_OR_LATER(ah)) - r = ath9k_hw_ar9280_set_channel(ah, chan); - else - r = ath9k_hw_set_channel(ah, chan); + r = ah->ath9k_hw_rf_set_freq(ah, chan); if (r) return r; diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index 7f2b5d21f2f1..dcf1295f4eb4 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -548,7 +548,9 @@ struct ath_hw { DONT_USE_32KHZ, } enable_32kHz_clock; - /* RF */ + /* Callback for radio frequency change */ + int (*ath9k_hw_rf_set_freq)(struct ath_hw *ah, struct ath9k_channel *chan); + /* Used to program the radio on non single-chip devices */ u32 *analogBank0Data; u32 *analogBank1Data; u32 *analogBank2Data; -- 2.20.1