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Commit 9c05babd authored by Oleksij Rempel's avatar Oleksij Rempel Committed by Kalle Valo
Browse files

ath9k: use one shot read in ath9k_hw_update_mibstats 



this will reduce some overhead on usb bus.

Signed-off-by: default avatarOleksij Rempel <linux@rempel-privat.de>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 03822782

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

+15 −5
Original line number Diff line number Diff line
@@ -107,11 +107,21 @@ static const struct ani_cck_level_entry cck_level_table[] = { 
static void ath9k_hw_update_mibstats(struct ath_hw *ah,

				     struct ath9k_mib_stats *stats)

{

	stats->ackrcv_bad += REG_READ(ah, AR_ACK_FAIL);

	stats->rts_bad += REG_READ(ah, AR_RTS_FAIL);

	stats->fcs_bad += REG_READ(ah, AR_FCS_FAIL);

	stats->rts_good += REG_READ(ah, AR_RTS_OK);

	stats->beacons += REG_READ(ah, AR_BEACON_CNT);

	u32 addr[5] = {AR_RTS_OK, AR_RTS_FAIL, AR_ACK_FAIL,

		       AR_FCS_FAIL, AR_BEACON_CNT};

	u32 data[5];



	REG_READ_MULTI(ah, &addr[0], &data[0], 5);

	/* AR_RTS_OK */

	stats->rts_good += data[0];

	/* AR_RTS_FAIL */

	stats->rts_bad += data[1];

	/* AR_ACK_FAIL */

	stats->ackrcv_bad += data[2];

	/* AR_FCS_FAIL */

	stats->fcs_bad += data[3];

	/* AR_BEACON_CNT */

	stats->beacons += data[4];

}



static void ath9k_ani_restart(struct ath_hw *ah)