From patchwork Sun Mar 22 18:29:54 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oleksij Rempel X-Patchwork-Id: 6067171 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 716959F7BC for ; Sun, 22 Mar 2015 18:31:52 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9EDC220220 for ; Sun, 22 Mar 2015 18:31:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BD63D20221 for ; Sun, 22 Mar 2015 18:31:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751906AbbCVSbt (ORCPT ); Sun, 22 Mar 2015 14:31:49 -0400 Received: from mout.gmx.net ([212.227.15.15]:57869 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751896AbbCVSbs (ORCPT ); Sun, 22 Mar 2015 14:31:48 -0400 Received: from localhost.localdomain ([80.187.100.161]) by mail.gmx.com (mrgmx001) with ESMTPSA (Nemesis) id 0MBExR-1YhDS42gVB-00AFJ8; Sun, 22 Mar 2015 19:31:43 +0100 From: Oleksij Rempel To: linux-wireless@vger.kernel.org, kvalo@codeaurora.org, ath9k-devel@lists.ath9k.org Cc: Oleksij Rempel Subject: [PATCH v3 09/18] ath9k: ath9k_hw_loadnf: use REG_RMW Date: Sun, 22 Mar 2015 19:29:54 +0100 Message-Id: <1427049003-8443-10-git-send-email-linux@rempel-privat.de> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1427049003-8443-1-git-send-email-linux@rempel-privat.de> References: <1427049003-8443-1-git-send-email-linux@rempel-privat.de> X-Provags-ID: V03:K0:u4cXNMjEmnhClmheTlKNNUVBFFfivk5ygtr1g+3lQd+EH9bHQFD i7YFMJqw8Pf8k0TT7YtLC2iUNhj/4nXOTrqVB5HggAoXi1S6X2tEYaDAlQTSpP6LOm/Mthg UQG0KrmFPLMMJZdhTjqa5x+6El5SkdXjR9G3ec3Z1G8jxRjenlHwJrb08azkR32BzegS7hq IA6cCpeQqaFj94UlTUGzg== 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 Signed-off-by: Oleksij Rempel --- drivers/net/wireless/ath/ath9k/calib.c | 19 ++++++++----------- 1 file changed, 8 insertions(+), 11 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c index e200a6e..3e2e24e 100644 --- a/drivers/net/wireless/ath/ath9k/calib.c +++ b/drivers/net/wireless/ath/ath9k/calib.c @@ -238,7 +238,6 @@ int ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan) { struct ath9k_nfcal_hist *h = NULL; unsigned i, j; - int32_t val; u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask; struct ath_common *common = ath9k_hw_common(ah); s16 default_nf = ath9k_hw_get_default_nf(ah, chan); @@ -246,6 +245,7 @@ int ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan) if (ah->caldata) h = ah->caldata->nfCalHist; + ENABLE_REG_RMW_BUFFER(ah); for (i = 0; i < NUM_NF_READINGS; i++) { if (chainmask & (1 << i)) { s16 nfval; @@ -258,10 +258,8 @@ int ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan) else nfval = default_nf; - val = REG_READ(ah, ah->nf_regs[i]); - val &= 0xFFFFFE00; - val |= (((u32) nfval << 1) & 0x1ff); - REG_WRITE(ah, ah->nf_regs[i], val); + REG_RMW(ah, ah->nf_regs[i], + (((u32) nfval << 1) & 0x1ff), 0x1ff); } } @@ -274,6 +272,7 @@ int ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan) REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NO_UPDATE_NF); REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF); + REG_RMW_BUFFER_FLUSH(ah); /* * Wait for load to complete, should be fast, a few 10s of us. @@ -309,19 +308,17 @@ int ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan) * by the median we just loaded. This will be initial (and max) value * of next noise floor calibration the baseband does. */ - ENABLE_REGWRITE_BUFFER(ah); + ENABLE_REG_RMW_BUFFER(ah); for (i = 0; i < NUM_NF_READINGS; i++) { if (chainmask & (1 << i)) { if ((i >= AR5416_MAX_CHAINS) && !IS_CHAN_HT40(chan)) continue; - val = REG_READ(ah, ah->nf_regs[i]); - val &= 0xFFFFFE00; - val |= (((u32) (-50) << 1) & 0x1ff); - REG_WRITE(ah, ah->nf_regs[i], val); + REG_RMW(ah, ah->nf_regs[i], + (((u32) (-50) << 1) & 0x1ff), 0x1ff); } } - REGWRITE_BUFFER_FLUSH(ah); + REG_RMW_BUFFER_FLUSH(ah); return 0; }