Return-path: Received: from mout.gmx.net ([212.227.15.15]:60990 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750966AbbCTMk6 (ORCPT ); Fri, 20 Mar 2015 08:40:58 -0400 From: Oleksij Rempel To: linux-wireless@vger.kernel.org, ath9k-devel@lists.ath9k.org, kvalo@codeaurora.org, adrian@freebsd.org Cc: Oleksij Rempel Subject: [PATCH 08/18] ath9k: use one shot read in ath9k_hw_update_mibstats Date: Fri, 20 Mar 2015 13:38:48 +0100 Message-Id: <1426855138-6121-9-git-send-email-linux@rempel-privat.de> (sfid-20150320_134101_308926_B4F6A94E) In-Reply-To: <1426855138-6121-1-git-send-email-linux@rempel-privat.de> References: <1426855138-6121-1-git-send-email-linux@rempel-privat.de> Sender: linux-wireless-owner@vger.kernel.org List-ID: this will reduce some overhead on usb bus. Signed-off-by: Oleksij Rempel --- drivers/net/wireless/ath/ath9k/ani.c | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ani.c b/drivers/net/wireless/ath/ath9k/ani.c index ca01d17..25e45e4 100644 --- a/drivers/net/wireless/ath/ath9k/ani.c +++ b/drivers/net/wireless/ath/ath9k/ani.c @@ -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) -- 1.9.1