From patchwork Wed Jun 1 09:23:40 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marco Felsch X-Patchwork-Id: 12866535 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0086FC433EF for ; Wed, 1 Jun 2022 09:25:47 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 3AA17173E; Wed, 1 Jun 2022 11:24:56 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 3AA17173E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1654075546; bh=Dm/SG6mslO9OJCOaLyyqHHK6IrIcfq5mLox799Q6orU=; h=From:To:Subject:Date:Cc:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=Ljow4TnRqNO++HSmQ9FiO900oqzI1NF9WiuMeG7HSpZuDT61C2yIMLDgO4dGQhQEy nXnx3Kfu2S5P+h/WM/2SvaBFiKckceQZd4Ath79OcNjPhr4sBIxcZ+HZgJzR23ownB JlldoeIbhHDbyWMtVfhE1lXwKqcU9l8BZp4KnQ3g= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 9898BF8052D; Wed, 1 Jun 2022 11:24:08 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 3B734F80149; Wed, 1 Jun 2022 11:24:07 +0200 (CEST) Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 07BA1F80149 for ; Wed, 1 Jun 2022 11:23:53 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 07BA1F80149 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nwKZy-0006FD-OT; Wed, 01 Jun 2022 11:23:50 +0200 Received: from [2a0a:edc0:0:1101:1d::28] (helo=dude02.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1nwKZx-005oH4-5Z; Wed, 01 Jun 2022 11:23:47 +0200 Received: from mfe by dude02.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1nwKZu-00Dxwi-Us; Wed, 01 Jun 2022 11:23:46 +0200 From: Marco Felsch To: shengjiu.wang@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, nicoleotsuka@gmail.com, lgirdwood@gmail.com, broonie@kernel.org Subject: [PATCH 1/3] ASoC: fsl_sai: use local device pointer Date: Wed, 1 Jun 2022 11:23:40 +0200 Message-Id: <20220601092342.3328644-1-m.felsch@pengutronix.de> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: mfe@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: alsa-devel@alsa-project.org Cc: alsa-devel@alsa-project.org, linuxppc-dev@lists.ozlabs.org, kernel@pengutronix.de X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Use a local variable to dereference the device pointer once and use the local variable in further calls. No functional changes. Signed-off-by: Marco Felsch Acked-by: Shengjiu Wang --- sound/soc/fsl/fsl_sai.c | 53 +++++++++++++++++++++-------------------- 1 file changed, 27 insertions(+), 26 deletions(-) diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c index fa950dde5310..a7637d602f3c 100644 --- a/sound/soc/fsl/fsl_sai.c +++ b/sound/soc/fsl/fsl_sai.c @@ -1004,6 +1004,7 @@ static int fsl_sai_runtime_resume(struct device *dev); static int fsl_sai_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; + struct device *dev = &pdev->dev; struct fsl_sai *sai; struct regmap *gpr; struct resource *res; @@ -1012,12 +1013,12 @@ static int fsl_sai_probe(struct platform_device *pdev) int irq, ret, i; int index; - sai = devm_kzalloc(&pdev->dev, sizeof(*sai), GFP_KERNEL); + sai = devm_kzalloc(dev, sizeof(*sai), GFP_KERNEL); if (!sai) return -ENOMEM; sai->pdev = pdev; - sai->soc_data = of_device_get_match_data(&pdev->dev); + sai->soc_data = of_device_get_match_data(dev); sai->is_lsb_first = of_property_read_bool(np, "lsb-first"); @@ -1032,18 +1033,18 @@ static int fsl_sai_probe(struct platform_device *pdev) ARRAY_SIZE(fsl_sai_reg_defaults_ofs8); } - sai->regmap = devm_regmap_init_mmio(&pdev->dev, base, &fsl_sai_regmap_config); + sai->regmap = devm_regmap_init_mmio(dev, base, &fsl_sai_regmap_config); if (IS_ERR(sai->regmap)) { - dev_err(&pdev->dev, "regmap init failed\n"); + dev_err(dev, "regmap init failed\n"); return PTR_ERR(sai->regmap); } - sai->bus_clk = devm_clk_get(&pdev->dev, "bus"); + sai->bus_clk = devm_clk_get(dev, "bus"); /* Compatible with old DTB cases */ if (IS_ERR(sai->bus_clk) && PTR_ERR(sai->bus_clk) != -EPROBE_DEFER) - sai->bus_clk = devm_clk_get(&pdev->dev, "sai"); + sai->bus_clk = devm_clk_get(dev, "sai"); if (IS_ERR(sai->bus_clk)) { - dev_err(&pdev->dev, "failed to get bus clock: %ld\n", + dev_err(dev, "failed to get bus clock: %ld\n", PTR_ERR(sai->bus_clk)); /* -EPROBE_DEFER */ return PTR_ERR(sai->bus_clk); @@ -1051,9 +1052,9 @@ static int fsl_sai_probe(struct platform_device *pdev) for (i = 1; i < FSL_SAI_MCLK_MAX; i++) { sprintf(tmp, "mclk%d", i); - sai->mclk_clk[i] = devm_clk_get(&pdev->dev, tmp); + sai->mclk_clk[i] = devm_clk_get(dev, tmp); if (IS_ERR(sai->mclk_clk[i])) { - dev_err(&pdev->dev, "failed to get mclk%d clock: %ld\n", + dev_err(dev, "failed to get mclk%d clock: %ld\n", i + 1, PTR_ERR(sai->mclk_clk[i])); sai->mclk_clk[i] = NULL; } @@ -1068,10 +1069,10 @@ static int fsl_sai_probe(struct platform_device *pdev) if (irq < 0) return irq; - ret = devm_request_irq(&pdev->dev, irq, fsl_sai_isr, IRQF_SHARED, + ret = devm_request_irq(dev, irq, fsl_sai_isr, IRQF_SHARED, np->name, sai); if (ret) { - dev_err(&pdev->dev, "failed to claim irq %u\n", irq); + dev_err(dev, "failed to claim irq %u\n", irq); return ret; } @@ -1088,7 +1089,7 @@ static int fsl_sai_probe(struct platform_device *pdev) if (of_find_property(np, "fsl,sai-synchronous-rx", NULL) && of_find_property(np, "fsl,sai-asynchronous", NULL)) { /* error out if both synchronous and asynchronous are present */ - dev_err(&pdev->dev, "invalid binding for synchronous mode\n"); + dev_err(dev, "invalid binding for synchronous mode\n"); return -EINVAL; } @@ -1109,7 +1110,7 @@ static int fsl_sai_probe(struct platform_device *pdev) of_device_is_compatible(np, "fsl,imx6ul-sai")) { gpr = syscon_regmap_lookup_by_compatible("fsl,imx6ul-iomuxc-gpr"); if (IS_ERR(gpr)) { - dev_err(&pdev->dev, "cannot find iomuxc registers\n"); + dev_err(dev, "cannot find iomuxc registers\n"); return PTR_ERR(gpr); } @@ -1127,23 +1128,23 @@ static int fsl_sai_probe(struct platform_device *pdev) sai->dma_params_tx.maxburst = FSL_SAI_MAXBURST_TX; platform_set_drvdata(pdev, sai); - pm_runtime_enable(&pdev->dev); - if (!pm_runtime_enabled(&pdev->dev)) { - ret = fsl_sai_runtime_resume(&pdev->dev); + pm_runtime_enable(dev); + if (!pm_runtime_enabled(dev)) { + ret = fsl_sai_runtime_resume(dev); if (ret) goto err_pm_disable; } - ret = pm_runtime_get_sync(&pdev->dev); + ret = pm_runtime_get_sync(dev); if (ret < 0) { - pm_runtime_put_noidle(&pdev->dev); + pm_runtime_put_noidle(dev); goto err_pm_get_sync; } /* Get sai version */ - ret = fsl_sai_check_version(&pdev->dev); + ret = fsl_sai_check_version(dev); if (ret < 0) - dev_warn(&pdev->dev, "Error reading SAI version: %d\n", ret); + dev_warn(dev, "Error reading SAI version: %d\n", ret); /* Select MCLK direction */ if (of_find_property(np, "fsl,sai-mclk-direction-output", NULL) && @@ -1152,7 +1153,7 @@ static int fsl_sai_probe(struct platform_device *pdev) FSL_SAI_MCTL_MCLK_EN, FSL_SAI_MCTL_MCLK_EN); } - ret = pm_runtime_put_sync(&pdev->dev); + ret = pm_runtime_put_sync(dev); if (ret < 0) goto err_pm_get_sync; @@ -1165,12 +1166,12 @@ static int fsl_sai_probe(struct platform_device *pdev) if (ret) goto err_pm_get_sync; } else { - ret = devm_snd_dmaengine_pcm_register(&pdev->dev, NULL, 0); + ret = devm_snd_dmaengine_pcm_register(dev, NULL, 0); if (ret) goto err_pm_get_sync; } - ret = devm_snd_soc_register_component(&pdev->dev, &fsl_component, + ret = devm_snd_soc_register_component(dev, &fsl_component, &sai->cpu_dai_drv, 1); if (ret) goto err_pm_get_sync; @@ -1178,10 +1179,10 @@ static int fsl_sai_probe(struct platform_device *pdev) return ret; err_pm_get_sync: - if (!pm_runtime_status_suspended(&pdev->dev)) - fsl_sai_runtime_suspend(&pdev->dev); + if (!pm_runtime_status_suspended(dev)) + fsl_sai_runtime_suspend(dev); err_pm_disable: - pm_runtime_disable(&pdev->dev); + pm_runtime_disable(dev); return ret; }