From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 01C59C76194 for ; Mon, 22 Jul 2019 21:54:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CBA2021955 for ; Mon, 22 Jul 2019 21:54:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="kigNPpsL"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="StB3Yl4T" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732983AbfGVVx6 (ORCPT ); Mon, 22 Jul 2019 17:53:58 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:36820 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732976AbfGVVx5 (ORCPT ); Mon, 22 Jul 2019 17:53:57 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 1095161797; Mon, 22 Jul 2019 21:53:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1563832437; bh=WpCgEOoGvhbJ0VBx0zgHnAYDeYg4fRD+EEEeXF83K7c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kigNPpsLEDWvA2sOZdchiIzG5y+kYbkgspozzhWGmMnXP2bzip3Rse+vP+DO4TD/b 0T1b1GWC5hhksYodKN8KHA7kTv1KyJ0ilr9TgmuVl81Zo0ShHqT1kpbwUcUw5U4uea YNZGY/YaysLIbLKu+x8PhXOVbWoqNBrtYmn27p0c= Received: from codeaurora.org (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: ilina@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 641E861779; Mon, 22 Jul 2019 21:53:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1563832436; bh=WpCgEOoGvhbJ0VBx0zgHnAYDeYg4fRD+EEEeXF83K7c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=StB3Yl4TvVkl2cyDH2O50knw+oTV/Xm/C4wMqyWFR24GVSuJFQQ0bfUH91o/v1xBN gMRQ1wIppWk7O9qozF/dXTec0c9c2Eh1wWfWwF1Qr2Uayj+SYTvlhuVNH2UGTnbA28 YS1hChsyqMaDnU7SQfuFl2gki915JFFK/VnI54LY= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 641E861779 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=ilina@codeaurora.org From: Lina Iyer To: agross@kernel.org, bjorn.andersson@linaro.org, swboyd@chromium.org Cc: linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org, rnayak@codeaurora.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, dianders@chromium.org, mkshah@codeaurora.org, Lina Iyer Subject: [PATCH V2 4/4] drivers: qcom: rpmh-rsc: remove redundant register access Date: Mon, 22 Jul 2019 15:53:40 -0600 Message-Id: <20190722215340.3071-4-ilina@codeaurora.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190722215340.3071-1-ilina@codeaurora.org> References: <20190722215340.3071-1-ilina@codeaurora.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Since drv->tcs_in_use is updated when the DRV_STATUS is updated, we could simply use the former to determine if the TCS is idle or not. Therefore, remove redundant TCS register read. Signed-off-by: Lina Iyer --- drivers/soc/qcom/rpmh-rsc.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/soc/qcom/rpmh-rsc.c b/drivers/soc/qcom/rpmh-rsc.c index add5e84751c9..b04cd2d2910c 100644 --- a/drivers/soc/qcom/rpmh-rsc.c +++ b/drivers/soc/qcom/rpmh-rsc.c @@ -93,8 +93,7 @@ static void write_tcs_reg_sync(struct rsc_drv *drv, int reg, int tcs_id, static bool tcs_is_free(struct rsc_drv *drv, int tcs_id) { - return !test_bit(tcs_id, drv->tcs_in_use) && - read_tcs_reg(drv, RSC_DRV_STATUS, tcs_id, 0); + return !test_bit(tcs_id, drv->tcs_in_use); } static struct tcs_group *get_tcs_of_type(struct rsc_drv *drv, int type) -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project