Commit e68a060b authored by Luis R. Rodriguez's avatar Luis R. Rodriguez Committed by John W. Linville
Browse files

ath9k_hw: use a callback for frequency change



This avoids a branch on every channel change.

Signed-off-by: default avatarLuis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 0a3b7bac
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+6 −9
Original line number Diff line number Diff line
@@ -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;

+3 −1
Original line number Diff line number Diff line
@@ -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;