From patchwork Tue Sep 20 13:48:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 607920 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 85741ECAAD8 for ; Tue, 20 Sep 2022 13:41:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231382AbiITNlo (ORCPT ); Tue, 20 Sep 2022 09:41:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57546 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231398AbiITNll (ORCPT ); Tue, 20 Sep 2022 09:41:41 -0400 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4966242AD1 for ; Tue, 20 Sep 2022 06:41:34 -0700 (PDT) Received: from dggpemm500024.china.huawei.com (unknown [172.30.72.55]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4MX2fG54jJz14Qkk; Tue, 20 Sep 2022 21:37:26 +0800 (CST) Received: from dggpemm500007.china.huawei.com (7.185.36.183) by dggpemm500024.china.huawei.com (7.185.36.203) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Tue, 20 Sep 2022 21:41:32 +0800 Received: from huawei.com (10.175.103.91) by dggpemm500007.china.huawei.com (7.185.36.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Tue, 20 Sep 2022 21:41:31 +0800 From: Yang Yingliang To: CC: , Subject: [PATCH -next 6/6] spi: altera: Switch to use devm_spi_alloc_master() Date: Tue, 20 Sep 2022 21:48:19 +0800 Message-ID: <20220920134819.2981033-7-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220920134819.2981033-1-yangyingliang@huawei.com> References: <20220920134819.2981033-1-yangyingliang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To dggpemm500007.china.huawei.com (7.185.36.183) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org Switch to use devm_spi_alloc_master() to simpify error path. Signed-off-by: Yang Yingliang --- drivers/spi/spi-altera-platform.c | 23 ++++++++--------------- 1 file changed, 8 insertions(+), 15 deletions(-) diff --git a/drivers/spi/spi-altera-platform.c b/drivers/spi/spi-altera-platform.c index 65147aae82a1..376df7b6f543 100644 --- a/drivers/spi/spi-altera-platform.c +++ b/drivers/spi/spi-altera-platform.c @@ -43,7 +43,7 @@ static int altera_spi_probe(struct platform_device *pdev) int err = -ENODEV; u16 i; - master = spi_alloc_master(&pdev->dev, sizeof(struct altera_spi)); + master = devm_spi_alloc_master(&pdev->dev, sizeof(struct altera_spi)); if (!master) return err; @@ -55,8 +55,7 @@ static int altera_spi_probe(struct platform_device *pdev) dev_err(&pdev->dev, "Invalid number of chipselect: %u\n", pdata->num_chipselect); - err = -EINVAL; - goto exit; + return -EINVAL; } master->num_chipselect = pdata->num_chipselect; @@ -83,7 +82,7 @@ static int altera_spi_probe(struct platform_device *pdev) hw->regmap = dev_get_regmap(pdev->dev.parent, NULL); if (!hw->regmap) { dev_err(&pdev->dev, "get regmap failed\n"); - goto exit; + return err; } regoff = platform_get_resource(pdev, IORESOURCE_REG, 0); @@ -93,17 +92,14 @@ static int altera_spi_probe(struct platform_device *pdev) void __iomem *res; res = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(res)) { - err = PTR_ERR(res); - goto exit; - } + if (IS_ERR(res)) + return PTR_ERR(res); hw->regmap = devm_regmap_init_mmio(&pdev->dev, res, &spi_altera_config); if (IS_ERR(hw->regmap)) { dev_err(&pdev->dev, "regmap mmio init failed\n"); - err = PTR_ERR(hw->regmap); - goto exit; + return PTR_ERR(hw->regmap); } } @@ -115,12 +111,12 @@ static int altera_spi_probe(struct platform_device *pdev) err = devm_request_irq(&pdev->dev, hw->irq, altera_spi_irq, 0, pdev->name, master); if (err) - goto exit; + return err; } err = devm_spi_register_master(&pdev->dev, master); if (err) - goto exit; + return err; if (pdata) { for (i = 0; i < pdata->num_devices; i++) { @@ -134,9 +130,6 @@ static int altera_spi_probe(struct platform_device *pdev) dev_info(&pdev->dev, "regoff %u, irq %d\n", hw->regoff, hw->irq); return 0; -exit: - spi_master_put(master); - return err; } #ifdef CONFIG_OF