linux-kernel - [PATCH] phy-mvebu-a3700-utmi: Use devm_platform_ioremap_resource() in mvebu_a3700_utmi_phy

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Date:   Thu, 26 Sep 2019 18:20:51 +0200
From:   Markus Elfring <Markus.Elfring@....de>
To:     kernel-janitors@...r.kernel.org, Igal Liberman <igall@...vell.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Miquel Raynal <miquel.raynal@...tlin.com>
Cc:     LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] phy-mvebu-a3700-utmi: Use devm_platform_ioremap_resource() in
 mvebu_a3700_utmi_phy_probe()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Thu, 26 Sep 2019 18:15:23 +0200

Simplify this function implementation by using a known wrapper function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/phy/marvell/phy-mvebu-a3700-utmi.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/phy/marvell/phy-mvebu-a3700-utmi.c b/drivers/phy/marvell/phy-mvebu-a3700-utmi.c
index ded900b06f5a..23bc3bf5c4c0 100644
--- a/drivers/phy/marvell/phy-mvebu-a3700-utmi.c
+++ b/drivers/phy/marvell/phy-mvebu-a3700-utmi.c
@@ -216,20 +216,13 @@ static int mvebu_a3700_utmi_phy_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct mvebu_a3700_utmi *utmi;
 	struct phy_provider *provider;
-	struct resource *res;

 	utmi = devm_kzalloc(dev, sizeof(*utmi), GFP_KERNEL);
 	if (!utmi)
 		return -ENOMEM;

 	/* Get UTMI memory region */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(dev, "Missing UTMI PHY memory resource\n");
-		return -ENODEV;
-	}
-
-	utmi->regs = devm_ioremap_resource(dev, res);
+	utmi->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(utmi->regs))
 		return PTR_ERR(utmi->regs);

--
2.23.0