From patchwork Thu May 22 07:00:10 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Binbin Zhou X-Patchwork-Id: 891843 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 0045222256D for ; Thu, 22 May 2025 07:00:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=114.242.206.163 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747897225; cv=none; b=cGAmwTi9w+c3uNXv58210th2O1Y95bUduKlXZDONG2DnASb6GREcZEbDNB5PArjYeAkds33jteYuBB/E1SyoqYZp47xHFHnXDFgoA0j1+tD4gv+wk5PbeCcMudMnSZmw3r5x3LTaUQaZrzPnRP14/NDGaxuinUjASgiZPjx7Or8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747897225; c=relaxed/simple; bh=tV09GGeKO0vCuNjkW97nkVbuDgHZ17QKWeCDw1NLRgA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=lqvCRUZZPsROcG07GpkIrFBVizwmdElTUdLk4Suv0p4uc0B85PF+4agtG/KpcKOFENSlW3DLL1DQc3TH5WA5Pn2Hrru8h5PBX13F5v2+mro+sieBQzfMnArE3bCXPs34/YnpRGQ0xE6sidbntQxXqZn5w7K+AL8Hdyp+a6Pfq2Y= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn; spf=pass smtp.mailfrom=loongson.cn; arc=none smtp.client-ip=114.242.206.163 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=loongson.cn Received: from loongson.cn (unknown [223.64.69.3]) by gateway (Coremail) with SMTP id _____8CxvOKFyy5oayL2AA--.6979S3; Thu, 22 May 2025 15:00:21 +0800 (CST) Received: from localhost.localdomain (unknown [223.64.69.3]) by front1 (Coremail) with SMTP id qMiowMAxzMSDyy5oMHLnAA--.4625S4; Thu, 22 May 2025 15:00:21 +0800 (CST) From: Binbin Zhou To: Binbin Zhou , Huacai Chen , Ulf Hansson Cc: Huacai Chen , linux-mmc@vger.kernel.org, Binbin Zhou , Shawn Guo , Sascha Hauer , Fabio Estevam Subject: [PATCH v2 16/36] mmc: mxs-mmc: Use devm_mmc_alloc_host() helper Date: Thu, 22 May 2025 15:00:10 +0800 Message-ID: X-Mailer: git-send-email 2.47.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-mmc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: qMiowMAxzMSDyy5oMHLnAA--.4625S4 X-CM-SenderInfo: p2kr3uplqex0o6or00hjvr0hdfq/ X-Coremail-Antispam: 1Uk129KBj93XoWxJF4kur15ur4xCF18ZF4rCrX_yoW5GFy8pF saqFW7tr4jvF4FgrWUJws7A3W5Zr409ayIkrWUW397X34Yyr4DKrn5CF10qFWrAFykAF4Y gFWUur4kuF17W3XCm3ZEXasCq-sJn29KB7ZKAUJUUUUr529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUU9Ib4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r126r13M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_tr0E3s1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Gr1j6F4UJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AK xVW0oVCq3wAaw2AFwI0_Jrv_JF1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqjxCEc2xF0c Ia020Ex4CE44I27wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_ZF0_ GryDMcIj6I8E87Iv67AKxVWxJVW8Jr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7V AKI48JMxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMxCIbckI1I0E14v2 6r1Y6r17MI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17 CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26w1j6s0DMIIF 0xvE2Ix0cI8IcVCY1x0267AKxVWxJVW8Jr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMI IF0xvEx4A2jsIE14v26F4j6r4UJwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnI WIevJa73UjIFyTuYvjxUxco7DUUUU Use new function devm_mmc_alloc_host() to simplify the code. Cc: Shawn Guo Cc: Sascha Hauer Cc: Fabio Estevam Signed-off-by: Binbin Zhou Reviewed-by: Huacai Chen --- drivers/mmc/host/mxs-mmc.c | 31 +++++++++++-------------------- 1 file changed, 11 insertions(+), 20 deletions(-) diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c index 80e6f48c83aa..a6e44e406106 100644 --- a/drivers/mmc/host/mxs-mmc.c +++ b/drivers/mmc/host/mxs-mmc.c @@ -569,7 +569,7 @@ static int mxs_mmc_probe(struct platform_device *pdev) if (irq_err < 0) return irq_err; - mmc = mmc_alloc_host(sizeof(struct mxs_mmc_host), &pdev->dev); + mmc = devm_mmc_alloc_host(&pdev->dev, sizeof(*host)); if (!mmc) return -ENOMEM; @@ -577,10 +577,8 @@ static int mxs_mmc_probe(struct platform_device *pdev) ssp = &host->ssp; ssp->dev = &pdev->dev; ssp->base = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(ssp->base)) { - ret = PTR_ERR(ssp->base); - goto out_mmc_free; - } + if (IS_ERR(ssp->base)) + return PTR_ERR(ssp->base); ssp->devid = (enum mxs_ssp_id)of_device_get_match_data(&pdev->dev); @@ -590,26 +588,23 @@ static int mxs_mmc_probe(struct platform_device *pdev) reg_vmmc = devm_regulator_get(&pdev->dev, "vmmc"); if (!IS_ERR(reg_vmmc)) { ret = regulator_enable(reg_vmmc); - if (ret) { - dev_err(&pdev->dev, - "Failed to enable vmmc regulator: %d\n", ret); - goto out_mmc_free; - } + if (ret) + return dev_err_probe(&pdev->dev, ret, + "Failed to enable vmmc regulator\n"); ret = devm_add_action_or_reset(&pdev->dev, mxs_mmc_regulator_disable, reg_vmmc); if (ret) - goto out_mmc_free; + return ret; } ssp->clk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(ssp->clk)) { - ret = PTR_ERR(ssp->clk); - goto out_mmc_free; - } + if (IS_ERR(ssp->clk)) + return PTR_ERR(ssp->clk); + ret = clk_prepare_enable(ssp->clk); if (ret) - goto out_mmc_free; + return ret; ret = mxs_mmc_reset(host); if (ret) { @@ -668,8 +663,6 @@ static int mxs_mmc_probe(struct platform_device *pdev) dma_release_channel(ssp->dmach); out_clk_disable: clk_disable_unprepare(ssp->clk); -out_mmc_free: - mmc_free_host(mmc); return ret; } @@ -685,8 +678,6 @@ static void mxs_mmc_remove(struct platform_device *pdev) dma_release_channel(ssp->dmach); clk_disable_unprepare(ssp->clk); - - mmc_free_host(mmc); } #ifdef CONFIG_PM_SLEEP