From patchwork Mon Aug 26 12:14:20 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 822632 Received: from szxga04-in.huawei.com (szxga04-in.huawei.com [45.249.212.190]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DB9C416BE09; Mon, 26 Aug 2024 12:06:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.190 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724673998; cv=none; b=pbfFpNbTTeLIKAfUd8C3nBOHSU62h6AHrlcYYAsfsFn1sONEI+jttPBMCO2jUu6vPl+8T/Iwx2u9qsoPvY1viqSFwLrZGydkZlSqZ9MGYMDclLqoIuq1moEHj4ZxYo/2mb2kJZY4dAAemkSPSkW6Ry3+bV1r0EjybQWBSR7WaWs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724673998; c=relaxed/simple; bh=FMOKZ/Dxqr51t60QbYiJ1JQBeoZ5rXd72CTgkAsuFA0=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=t52OCnNcXxlSKNU908VJwQWYxb0+gCLck9EsXZjs63JR83U0xsV4t1Fw2qf503FldmNUDF3KzKfoIki/9d3nGiz5i0sGpL9ij0GcKQ8zT9s/9nAg7vmnC+Y4YoMUGoU5ZCX+O632yfLxUWHNEl3qJkeNlusV1BcPjRAicTGVx2c= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.190 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.88.163]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4Wsq632Kdlz20mjG; Mon, 26 Aug 2024 20:01:47 +0800 (CST) Received: from kwepemh500013.china.huawei.com (unknown [7.202.181.146]) by mail.maildlp.com (Postfix) with ESMTPS id 81F6118002B; Mon, 26 Aug 2024 20:06:34 +0800 (CST) Received: from huawei.com (10.90.53.73) by kwepemh500013.china.huawei.com (7.202.181.146) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Mon, 26 Aug 2024 20:06:34 +0800 From: Jinjie Ruan To: , , , , CC: Subject: [PATCH -next 1/2] spi: zynqmp-gqspi: Use devm_spi_alloc_host() Date: Mon, 26 Aug 2024 20:14:20 +0800 Message-ID: <20240826121421.3384792-2-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240826121421.3384792-1-ruanjinjie@huawei.com> References: <20240826121421.3384792-1-ruanjinjie@huawei.com> Precedence: bulk X-Mailing-List: linux-spi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To kwepemh500013.china.huawei.com (7.202.181.146) Use devm_spi_alloc_host() so that there's no need to call spi_controller_put() in the error path. Signed-off-by: Jinjie Ruan --- drivers/spi/spi-zynqmp-gqspi.c | 18 ++++++------------ 1 file changed, 6 insertions(+), 12 deletions(-) diff --git a/drivers/spi/spi-zynqmp-gqspi.c b/drivers/spi/spi-zynqmp-gqspi.c index 558c466135a5..597fcc7fce82 100644 --- a/drivers/spi/spi-zynqmp-gqspi.c +++ b/drivers/spi/spi-zynqmp-gqspi.c @@ -1242,7 +1242,7 @@ static int zynqmp_qspi_probe(struct platform_device *pdev) u32 num_cs; const struct qspi_platform_data *p_data; - ctlr = spi_alloc_host(&pdev->dev, sizeof(*xqspi)); + ctlr = devm_spi_alloc_host(&pdev->dev, sizeof(*xqspi)); if (!ctlr) return -ENOMEM; @@ -1256,29 +1256,25 @@ static int zynqmp_qspi_probe(struct platform_device *pdev) xqspi->has_tapdelay = true; xqspi->regs = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(xqspi->regs)) { - ret = PTR_ERR(xqspi->regs); - goto remove_ctlr; - } + if (IS_ERR(xqspi->regs)) + return PTR_ERR(xqspi->regs); xqspi->pclk = devm_clk_get(&pdev->dev, "pclk"); if (IS_ERR(xqspi->pclk)) { dev_err(dev, "pclk clock not found.\n"); - ret = PTR_ERR(xqspi->pclk); - goto remove_ctlr; + return PTR_ERR(xqspi->pclk); } xqspi->refclk = devm_clk_get(&pdev->dev, "ref_clk"); if (IS_ERR(xqspi->refclk)) { dev_err(dev, "ref_clk clock not found.\n"); - ret = PTR_ERR(xqspi->refclk); - goto remove_ctlr; + return PTR_ERR(xqspi->refclk); } ret = clk_prepare_enable(xqspi->pclk); if (ret) { dev_err(dev, "Unable to enable APB clock.\n"); - goto remove_ctlr; + return ret; } ret = clk_prepare_enable(xqspi->refclk); @@ -1364,8 +1360,6 @@ static int zynqmp_qspi_probe(struct platform_device *pdev) clk_disable_unprepare(xqspi->refclk); clk_dis_pclk: clk_disable_unprepare(xqspi->pclk); -remove_ctlr: - spi_controller_put(ctlr); return ret; } From patchwork Mon Aug 26 12:14:21 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 823464 Received: from szxga06-in.huawei.com (szxga06-in.huawei.com [45.249.212.32]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 287F716F0EC; Mon, 26 Aug 2024 12:06:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.32 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724673998; cv=none; b=TuxNPXK+PZ1T2T79Fm/RTh0QOZSzm9vWjqcRJcByXI2D4+DTzhfgpOWVPgVKrMxf763zJafCJxmhG8IU8qmzPu+GJZw6mIldGYkRx413ewZpO42LhCvzYJ8odoQFJwsFcrPGiGxgT+veiDceSYaavHIOw/u3N5rM7ebQkbnv0mE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724673998; c=relaxed/simple; bh=a5B8gmsj6XGfdPgdGo2E89uxSaAe8V3aCCMXyKUSPpU=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=qGRyNesC9CVGxtebmVxnpp7QuuYbGODXguVe+E5S+pi+P2Z8XimYKGhYE6BHqlDG2BsHrTvOttoi/BccY2IoJy/NWGF6iQHIYEMFEKTCsyz8RQCqaz26sJR3GuzksN6/wbeQNBP0mykw/hBN0P/7Uvz+jjRf68zmdj/fDebFzrw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.32 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.162.112]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4Wsq9L0Q3Bz1xw1n; Mon, 26 Aug 2024 20:04:38 +0800 (CST) Received: from kwepemh500013.china.huawei.com (unknown [7.202.181.146]) by mail.maildlp.com (Postfix) with ESMTPS id CBFE7140120; Mon, 26 Aug 2024 20:06:34 +0800 (CST) Received: from huawei.com (10.90.53.73) by kwepemh500013.china.huawei.com (7.202.181.146) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Mon, 26 Aug 2024 20:06:34 +0800 From: Jinjie Ruan To: , , , , CC: Subject: [PATCH -next 2/2] spi: zynqmp-gqspi: Simplify with dev_err_probe() Date: Mon, 26 Aug 2024 20:14:21 +0800 Message-ID: <20240826121421.3384792-3-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240826121421.3384792-1-ruanjinjie@huawei.com> References: <20240826121421.3384792-1-ruanjinjie@huawei.com> Precedence: bulk X-Mailing-List: linux-spi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To kwepemh500013.china.huawei.com (7.202.181.146) Use the dev_err_probe() helper to simplify error handling during probe. This also handle scenario, when EDEFER is returned and useless error is printed. Signed-off-by: Jinjie Ruan --- drivers/spi/spi-zynqmp-gqspi.c | 20 ++++++++------------ 1 file changed, 8 insertions(+), 12 deletions(-) diff --git a/drivers/spi/spi-zynqmp-gqspi.c b/drivers/spi/spi-zynqmp-gqspi.c index 597fcc7fce82..fcd0ca996684 100644 --- a/drivers/spi/spi-zynqmp-gqspi.c +++ b/drivers/spi/spi-zynqmp-gqspi.c @@ -1260,22 +1260,18 @@ static int zynqmp_qspi_probe(struct platform_device *pdev) return PTR_ERR(xqspi->regs); xqspi->pclk = devm_clk_get(&pdev->dev, "pclk"); - if (IS_ERR(xqspi->pclk)) { - dev_err(dev, "pclk clock not found.\n"); - return PTR_ERR(xqspi->pclk); - } + if (IS_ERR(xqspi->pclk)) + return dev_err_probe(dev, PTR_ERR(xqspi->pclk), + "pclk clock not found.\n"); xqspi->refclk = devm_clk_get(&pdev->dev, "ref_clk"); - if (IS_ERR(xqspi->refclk)) { - dev_err(dev, "ref_clk clock not found.\n"); - return PTR_ERR(xqspi->refclk); - } + if (IS_ERR(xqspi->refclk)) + return dev_err_probe(dev, PTR_ERR(xqspi->refclk), + "ref_clk clock not found.\n"); ret = clk_prepare_enable(xqspi->pclk); - if (ret) { - dev_err(dev, "Unable to enable APB clock.\n"); - return ret; - } + if (ret) + return dev_err_probe(dev, ret, "Unable to enable APB clock.\n"); ret = clk_prepare_enable(xqspi->refclk); if (ret) {