From patchwork Wed Jul 13 02:56:56 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Yingliang X-Patchwork-Id: 12915901 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 F0DA8C433EF for ; Wed, 13 Jul 2022 02:48:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=HWVN5nHIcUvUvorV3nnlK5HaOJ7bNnCWMmoyaGCOKPo=; b=3g0E1VD4wvVIyL vbe0D6rKA1G2G6drKQ/7FjRNB2VKLbxFGwc+Onj5AAadSo1Tz6shcp7+71UsVFvaavK5ZhlpscFFt IH1VPd/glmmoL0WwF0IRwbAQMjHOCIpgt1qMmWmWZljxgOJYZCYb1itq+FLEfSmYnyAcv03rVzobu A2k6IMq6UttRfWAtbeURXodhAth+D4oBj1InId7WhzkV+LkLQzFYlXao1snRFlxYzYNqwSAmtTph0 +lg+xX+KHcubBEIN5iHvBWHLAuNHTCUjGKI/5iwlbEAz0VtAWBqgb1ia7+5q5OzkgkGiNNJbX7fcM l+uYmPgzpzt6zGLnbYgA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oBSPn-00GtUZ-CY; Wed, 13 Jul 2022 02:47:51 +0000 Received: from szxga02-in.huawei.com ([45.249.212.188]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oBSPi-00GtQe-Sd for linux-riscv@lists.infradead.org; Wed, 13 Jul 2022 02:47:49 +0000 Received: from dggpemm500021.china.huawei.com (unknown [172.30.72.56]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4LjMQ93w5MzVfnB; Wed, 13 Jul 2022 10:44:01 +0800 (CST) Received: from dggpemm500007.china.huawei.com (7.185.36.183) by dggpemm500021.china.huawei.com (7.185.36.109) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Wed, 13 Jul 2022 10:47:34 +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 15.1.2375.24; Wed, 13 Jul 2022 10:47:34 +0800 From: Yang Yingliang To: , , CC: , , Subject: [PATCH -next v2 2/3] spi: microchip-core: switch to use devm_spi_alloc_master() Date: Wed, 13 Jul 2022 10:56:56 +0800 Message-ID: <20220713025657.3524506-3-yangyingliang@huawei.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220713025657.3524506-1-yangyingliang@huawei.com> References: <20220713025657.3524506-1-yangyingliang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggpemm500007.china.huawei.com (7.185.36.183) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220712_194747_135316_CAFAD20B X-CRM114-Status: UNSURE ( 8.96 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Switch to use devm_spi_alloc_master() to simpify error path. Signed-off-by: Yang Yingliang --- drivers/spi/spi-microchip-core.c | 20 +++++++------------- 1 file changed, 7 insertions(+), 13 deletions(-) diff --git a/drivers/spi/spi-microchip-core.c b/drivers/spi/spi-microchip-core.c index c26767343176..1a24e47f8305 100644 --- a/drivers/spi/spi-microchip-core.c +++ b/drivers/spi/spi-microchip-core.c @@ -513,7 +513,7 @@ static int mchp_corespi_probe(struct platform_device *pdev) u32 num_cs; int ret = 0; - master = spi_alloc_master(&pdev->dev, sizeof(*spi)); + master = devm_spi_alloc_master(&pdev->dev, sizeof(*spi)); if (!master) return dev_err_probe(&pdev->dev, -ENOMEM, "unable to allocate master for SPI controller\n"); @@ -535,36 +535,32 @@ static int mchp_corespi_probe(struct platform_device *pdev) spi = spi_master_get_devdata(master); spi->regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res); - if (IS_ERR(spi->regs)) { - ret = PTR_ERR(spi->regs); - goto error_release_master; - } + if (IS_ERR(spi->regs)) + return PTR_ERR(spi->regs); spi->irq = platform_get_irq(pdev, 0); if (spi->irq <= 0) { dev_err(&pdev->dev, "invalid IRQ %d for SPI controller\n", spi->irq); - ret = -ENXIO; - goto error_release_master; + return -ENXIO; } ret = devm_request_irq(&pdev->dev, spi->irq, mchp_corespi_interrupt, IRQF_SHARED, dev_name(&pdev->dev), master); if (ret) { dev_err(&pdev->dev, "could not request irq: %d\n", ret); - goto error_release_master; + return ret; } spi->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(spi->clk)) { - ret = PTR_ERR(spi->clk); dev_err(&pdev->dev, "could not get clk: %d\n", ret); - goto error_release_master; + return PTR_ERR(spi->clk); } ret = clk_prepare_enable(spi->clk); if (ret) { dev_err(&pdev->dev, "failed to enable clock\n"); - goto error_release_master; + return ret; } mchp_corespi_init(master, spi); @@ -583,8 +579,6 @@ static int mchp_corespi_probe(struct platform_device *pdev) error_release_hardware: mchp_corespi_disable(spi); clk_disable_unprepare(spi->clk); -error_release_master: - spi_master_put(master); return ret; }