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Commit bfc441a4 authored by Felix Fietkau's avatar Felix Fietkau Committed by John W. Linville
Browse files

ath9k_hw: apply internal regulator settings on AR933x 



On AR933x, the internal regulator settings need to be applied before the
PLL init to avoid stability issues.

Signed-off-by: default avatarFelix Fietkau <nbd@openwrt.org>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 5a71f134

drivers/net/wireless/ath/ath9k/ar9003_eeprom.c

+1 −1
Original line number Diff line number Diff line
@@ -3809,7 +3809,7 @@ static bool is_pmu_set(struct ath_hw *ah, u32 pmu_reg, int pmu_set) 
	return true;

}



static void ar9003_hw_internal_regulator_apply(struct ath_hw *ah)

void ar9003_hw_internal_regulator_apply(struct ath_hw *ah)

{

	int internal_regulator =

		ath9k_hw_ar9300_get_eeprom(ah, EEP_INTERNAL_REGULATOR);

drivers/net/wireless/ath/ath9k/ar9003_eeprom.h

+3 −0
Original line number Diff line number Diff line
@@ -334,4 +334,7 @@ u8 *ar9003_get_spur_chan_ptr(struct ath_hw *ah, bool is_2ghz); 


unsigned int ar9003_get_paprd_scale_factor(struct ath_hw *ah,

					   struct ath9k_channel *chan);



void ar9003_hw_internal_regulator_apply(struct ath_hw *ah);



#endif

drivers/net/wireless/ath/ath9k/hw.c

+3 −0
Original line number Diff line number Diff line
@@ -1468,6 +1468,9 @@ static bool ath9k_hw_chip_reset(struct ath_hw *ah, 
		return false;



	ah->chip_fullsleep = false;



	if (AR_SREV_9330(ah))

		ar9003_hw_internal_regulator_apply(ah);

	ath9k_hw_init_pll(ah, chan);

	ath9k_hw_set_rfmode(ah, chan);