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ath9k_hw: use a callback for frequency change

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This avoids a branch on every channel change.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Luis R. Rodriguez 2009-10-19 02:33:41 -04:00 committed by John W. Linville
parent 0a3b7bac67
commit e68a060b5d
2 changed files with 9 additions and 10 deletions
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15
drivers/net/wireless/ath/ath9k/hw.c
View File

@ -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;

4
drivers/net/wireless/ath/ath9k/hw.h
View File

@ -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;