linux-kernel - [PATCH] soc: ixp4xx: qmgr: Use devm_platform_ioremap_resource() in ixp4xx_qmgr

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Message-ID: <e70a4035-dae9-db3d-4cf0-0e3bb718a949@web.de>
Date:   Wed, 18 Sep 2019 20:42:06 +0200
From:   Markus Elfring <Markus.Elfring@....de>
To:     kernel-janitors@...r.kernel.org,
        Krzysztof Halasa <khalasa@...p.pl>,
        Linus Walleij <linus.walleij@...aro.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Himanshu Jha <himanshujha199640@...il.com>
Subject: [PATCH] soc: ixp4xx: qmgr: Use devm_platform_ioremap_resource() in
 ixp4xx_qmgr_probe()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Wed, 18 Sep 2019 20:33:27 +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/soc/ixp4xx/ixp4xx-qmgr.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/soc/ixp4xx/ixp4xx-qmgr.c b/drivers/soc/ixp4xx/ixp4xx-qmgr.c
index 8c968382cea7..520babbd9037 100644
--- a/drivers/soc/ixp4xx/ixp4xx-qmgr.c
+++ b/drivers/soc/ixp4xx/ixp4xx-qmgr.c
@@ -375,13 +375,9 @@ static int ixp4xx_qmgr_probe(struct platform_device *pdev)
 	int i, err;
 	irq_handler_t handler1, handler2;
 	struct device *dev = &pdev->dev;
-	struct resource *res;
 	int irq1, irq2;

-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENODEV;
-	qmgr_regs = devm_ioremap_resource(dev, res);
+	qmgr_regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(qmgr_regs))
 		return PTR_ERR(qmgr_regs);

--
2.23.0