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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 03E09C433DB for ; Fri, 19 Feb 2021 23:33:14 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 658AD64EBF for ; Fri, 19 Feb 2021 23:33:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 658AD64EBF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4Dj7DS1Cg8z3cSN for ; Sat, 20 Feb 2021 10:33:12 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=linux.intel.com (client-ip=192.55.52.88; helo=mga01.intel.com; envelope-from=pierre-louis.bossart@linux.intel.com; receiver=) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4Dj7Bk0X3Yz3cG0 for ; Sat, 20 Feb 2021 10:31:41 +1100 (AEDT) IronPort-SDR: uFZ2voXobeGuV9nOtpmhLBFSbGzvh+ihdm/BBD9P31NCEcE0e9g6ip5buINSAvZ4ui+R3AQOuL Z6IyD5AVcxHg== X-IronPort-AV: E=McAfee;i="6000,8403,9900"; a="203293747" X-IronPort-AV: E=Sophos;i="5.81,191,1610438400"; d="scan'208";a="203293747" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Feb 2021 15:30:36 -0800 IronPort-SDR: VyoqTH3drO05WzEFz7pFbR0O3B2W8LfcnKCPAG7mL61X+hE273j4sLw9TwIZFwrHBTG9qBZHEI Dzaopj3D/9Sg== X-IronPort-AV: E=Sophos;i="5.81,191,1610438400"; d="scan'208";a="496662737" Received: from lkwerake-mobl1.amr.corp.intel.com (HELO pbossart-mobl3.intel.com) ([10.251.153.34]) by fmsmga001-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Feb 2021 15:30:34 -0800 From: Pierre-Louis Bossart To: alsa-devel@alsa-project.org Subject: [PATCH 5/9] ASoC: fsl: fsl_ssi: remove unnecessary tests Date: Fri, 19 Feb 2021 17:29:33 -0600 Message-Id: <20210219232937.6440-6-pierre-louis.bossart@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210219232937.6440-1-pierre-louis.bossart@linux.intel.com> References: <20210219232937.6440-1-pierre-louis.bossart@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Liam Girdwood , Timur Tabi , Xiubo Li , tiwai@suse.de, Shengjiu Wang , Takashi Iwai , linux-kernel@vger.kernel.org, Pierre-Louis Bossart , Nicolin Chen , "open list:FREESCALE SOC SOUND DRIVERS" , broonie@kernel.org, Jaroslav Kysela , Fabio Estevam Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" cppcheck warnings: sound/soc/fsl/fsl_ssi.c:767:34: style: Condition 'div2' is always false [knownConditionTrueFalse] stccr = SSI_SxCCR_PM(pm + 1) | (div2 ? SSI_SxCCR_DIV2 : 0) | ^ sound/soc/fsl/fsl_ssi.c:722:9: note: Assignment 'div2=0', assigned value is 0 div2 = 0; ^ sound/soc/fsl/fsl_ssi.c:767:34: note: Condition 'div2' is always false stccr = SSI_SxCCR_PM(pm + 1) | (div2 ? SSI_SxCCR_DIV2 : 0) | ^ sound/soc/fsl/fsl_ssi.c:768:4: style: Condition 'psr' is always false [knownConditionTrueFalse] (psr ? SSI_SxCCR_PSR : 0); ^ sound/soc/fsl/fsl_ssi.c:721:8: note: Assignment 'psr=0', assigned value is 0 psr = 0; ^ sound/soc/fsl/fsl_ssi.c:768:4: note: Condition 'psr' is always false (psr ? SSI_SxCCR_PSR : 0); ^ Upon further analysis, the variables 'div2' and 'psr' are set to zero and never modified. All the tests can be removed. Signed-off-by: Pierre-Louis Bossart --- sound/soc/fsl/fsl_ssi.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index 57811743c294..c57d0428c0a3 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -747,7 +747,7 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream, sub *= 100000; do_div(sub, freq); - if (sub < savesub && !(i == 0 && psr == 0 && div2 == 0)) { + if (sub < savesub && !(i == 0)) { baudrate = tmprate; savesub = sub; pm = i; @@ -764,8 +764,7 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream, return -EINVAL; } - stccr = SSI_SxCCR_PM(pm + 1) | (div2 ? SSI_SxCCR_DIV2 : 0) | - (psr ? SSI_SxCCR_PSR : 0); + stccr = SSI_SxCCR_PM(pm + 1); mask = SSI_SxCCR_PM_MASK | SSI_SxCCR_DIV2 | SSI_SxCCR_PSR; /* STCCR is used for RX in synchronous mode */ -- 2.25.1