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Date:   Wed, 18 Sep 2019 21:12:48 +0200
From:   Markus Elfring <Markus.Elfring@....de>
To:     devel@...verdev.osuosl.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Antti Keränen <detegr@...il.com>,
        Emanuel Bennici <benniciemanuel78@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Neil Brown <neil@...wn.name>,
        Sergio Paracuellos <sergio.paracuellos@...il.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Himanshu Jha <himanshujha199640@...il.com>
Subject: [PATCH] staging: mt7621-pci-phy: Use devm_platform_ioremap_resource()
 in mt7621_pci_phy_probe()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Wed, 18 Sep 2019 21:01:32 +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/staging/mt7621-pci-phy/pci-mt7621-phy.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/drivers/staging/mt7621-pci-phy/pci-mt7621-phy.c b/drivers/staging/mt7621-pci-phy/pci-mt7621-phy.c
index d2a07f145143..6ca4a33d13c3 100644
--- a/drivers/staging/mt7621-pci-phy/pci-mt7621-phy.c
+++ b/drivers/staging/mt7621-pci-phy/pci-mt7621-phy.c
@@ -324,7 +324,6 @@ static int mt7621_pci_phy_probe(struct platform_device *pdev)
 	const struct soc_device_attribute *attr;
 	struct phy_provider *provider;
 	struct mt7621_pci_phy *phy;
-	struct resource *res;
 	int port;
 	void __iomem *port_base;

@@ -344,14 +343,7 @@ static int mt7621_pci_phy_probe(struct platform_device *pdev)

 	phy->dev = dev;
 	platform_set_drvdata(pdev, phy);
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(dev, "failed to get address resource\n");
-		return -ENXIO;
-	}
-
-	port_base = devm_ioremap_resource(dev, res);
+	port_base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(port_base)) {
 		dev_err(dev, "failed to remap phy regs\n");
 		return PTR_ERR(port_base);
--
2.23.0

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