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Commit 0ce024cb authored by Sujith's avatar Sujith Committed by John W. Linville
Browse files

ath9k: Clarify Interrupt mitigation 



ath9k currently supports only RX interrupt
mitigation.

Signed-off-by: default avatarSujith <Sujith.Manoharan@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 45d5d805

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

+5 −5
Original line number Diff line number Diff line
@@ -368,7 +368,7 @@ static void ath9k_hw_init_config(struct ath_hw *ah) 
		ah->config.spurchans[i][1] = AR_NO_SPUR;

	}



	ah->config.intr_mitigation = true;

	ah->config.rx_intr_mitigation = true;



	/*

	 * We need this for PCI devices only (Cardbus, PCI, miniPCI)
@@ -1160,7 +1160,7 @@ static void ath9k_hw_init_interrupt_masks(struct ath_hw *ah, 
		AR_IMR_RXORN |

		AR_IMR_BCNMISC;



	if (ah->config.intr_mitigation)

	if (ah->config.rx_intr_mitigation)

		ah->mask_reg |= AR_IMR_RXINTM | AR_IMR_RXMINTR;

	else

		ah->mask_reg |= AR_IMR_RXOK;
@@ -2091,7 +2091,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, 


	REG_WRITE(ah, AR_OBS, 8);



	if (ah->config.intr_mitigation) {

	if (ah->config.rx_intr_mitigation) {

		REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_LAST, 500);

		REG_RMW_FIELD(ah, AR_RIMT, AR_RIMT_FIRST, 2000);

	}
@@ -2751,7 +2751,7 @@ bool ath9k_hw_getisr(struct ath_hw *ah, enum ath9k_int *masked) 


		*masked = isr & ATH9K_INT_COMMON;



		if (ah->config.intr_mitigation) {

		if (ah->config.rx_intr_mitigation) {

			if (isr & (AR_ISR_RXMINTR | AR_ISR_RXINTM))

				*masked |= ATH9K_INT_RX;

		}
@@ -2884,7 +2884,7 @@ enum ath9k_int ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints) 
	}

	if (ints & ATH9K_INT_RX) {

		mask |= AR_IMR_RXERR;

		if (ah->config.intr_mitigation)

		if (ah->config.rx_intr_mitigation)

			mask |= AR_IMR_RXMINTR | AR_IMR_RXINTM;

		else

			mask |= AR_IMR_RXOK | AR_IMR_RXDESC;

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

+1 −1
Original line number Diff line number Diff line
@@ -212,7 +212,7 @@ struct ath9k_ops_config { 
	u32 cck_trig_low;

	u32 enable_ani;

	int serialize_regmode;

	bool intr_mitigation;

	bool rx_intr_mitigation;

#define SPUR_DISABLE        	0

#define SPUR_ENABLE_IOCTL   	1

#define SPUR_ENABLE_EEPROM  	2