From patchwork Fri Mar 20 12:38:56 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oleksij Rempel X-Patchwork-Id: 6056341 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Original-To: patchwork-linux-wireless@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id D84E79F314 for ; Fri, 20 Mar 2015 12:41:11 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0DD1C2034A for ; Fri, 20 Mar 2015 12:41:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E952020320 for ; Fri, 20 Mar 2015 12:41:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751984AbbCTMlJ (ORCPT ); Fri, 20 Mar 2015 08:41:09 -0400 Received: from mout.gmx.net ([212.227.15.19]:57096 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751928AbbCTMlG (ORCPT ); Fri, 20 Mar 2015 08:41:06 -0400 Received: from localhost.localdomain ([80.187.100.132]) by mail.gmx.com (mrgmx003) with ESMTPSA (Nemesis) id 0M8Nik-1ZUsN346zK-00vxxv; Fri, 20 Mar 2015 13:41:04 +0100 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 16/18] ath9k: use REG_RMW and rmw buffer in ath9k_hw_4k_set_gain Date: Fri, 20 Mar 2015 13:38:56 +0100 Message-Id: <1426855138-6121-17-git-send-email-linux@rempel-privat.de> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1426855138-6121-1-git-send-email-linux@rempel-privat.de> References: <1426855138-6121-1-git-send-email-linux@rempel-privat.de> X-Provags-ID: V03:K0:b6XPyaYi5ne/OW5gAZVMgdo6h2etTCxJ5DIM6xwClO5vykQlMxM aZEUbupuXYE9uGIvcfrZ/qmn4FCaoxXGXYJdRPDJID5LjV/f/l/A3L7vZEWntRfEHbH8lGb hRfoUtW8lfyoCuGDoXz2Ixl3laBN+mqXjkKm3FkUaONwGUeUdO6lCZKMAmYfLdyKJHQHPQ2 VoYT2+Mh/ciJiopxXPAAw== X-UI-Out-Filterresults: notjunk:1; Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP it is possible to reduce time needed for this function by rplacing REG_WRITE with REG_RMW (plus dummy 0) and putt all commands in same buffer. Signed-off-by: Oleksij Rempel --- drivers/net/wireless/ath/ath9k/eeprom_4k.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/eeprom_4k.c b/drivers/net/wireless/ath/ath9k/eeprom_4k.c index 291c1d1..56621be 100644 --- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c +++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c @@ -772,15 +772,16 @@ static void ath9k_hw_4k_set_gain(struct ath_hw *ah, struct ar5416_eeprom_4k *eep, u8 txRxAttenLocal) { - REG_WRITE(ah, AR_PHY_SWITCH_CHAIN_0, - pModal->antCtrlChain[0]); + ENABLE_REG_RMW_BUFFER(ah); + REG_RMW(ah, AR_PHY_SWITCH_CHAIN_0, + pModal->antCtrlChain[0], 0); - REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0), - (REG_READ(ah, AR_PHY_TIMING_CTRL4(0)) & - ~(AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF | - AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF)) | - SM(pModal->iqCalICh[0], AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF) | - SM(pModal->iqCalQCh[0], AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF)); + REG_RMW(ah, AR_PHY_TIMING_CTRL4(0), + (REG_READ(ah, AR_PHY_TIMING_CTRL4(0)) & + ~(AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF | + AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF)) | + SM(pModal->iqCalICh[0], AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF) | + SM(pModal->iqCalQCh[0], AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF), 0); if ((eep->baseEepHeader.version & AR5416_EEP_VER_MINOR_MASK) >= AR5416_EEP_MINOR_VER_3) { @@ -819,6 +820,7 @@ static void ath9k_hw_4k_set_gain(struct ath_hw *ah, AR9280_PHY_RXGAIN_TXRX_ATTEN, txRxAttenLocal); REG_RMW_FIELD(ah, AR_PHY_RXGAIN + 0x1000, AR9280_PHY_RXGAIN_TXRX_MARGIN, pModal->rxTxMarginCh[0]); + REG_RMW_BUFFER_FLUSH(ah); } /*