--- /dev/null
+--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+@@ -3809,7 +3809,7 @@ static bool is_pmu_set(struct ath_hw *ah
+ 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);
+--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
++++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
+@@ -334,4 +334,7 @@ u8 *ar9003_get_spur_chan_ptr(struct ath_
+
+ 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
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -1477,6 +1477,9 @@ static bool ath9k_hw_chip_reset(struct a
+ 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);
+