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To:     linux-arm-kernel@lists.infradead.org, Jun Nie <jun.nie@linaro.org>,
        Shawn Guo <shawnguo@kernel.org>,
        Russell King <linux@armlinux.org.uk>
From:   Markus Elfring <Markus.Elfring@web.de>
Subject: [PATCH] ARM: zx: Use devm_platform_ioremap_resource() in
 zx296702_pd_probe()
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Cc:     LKML <linux-kernel@vger.kernel.org>,
        kernel-janitors@vger.kernel.org,
        Bartosz Golaszewski <brgl@bgdev.pl>,
        Himanshu Jha <himanshujha199640@gmail.com>
Message-ID: <30b6c588-6c4b-c8ff-6414-a3fc53867bfe@web.de>
Date:   Wed, 18 Sep 2019 07:57:05 +0200
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From: Markus Elfring <elfring@users.sourceforge.net>
Date: Wed, 18 Sep 2019 07:40:26 +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@users.sourceforge.net>
=2D--
 arch/arm/mach-zx/zx296702-pm-domain.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/arch/arm/mach-zx/zx296702-pm-domain.c b/arch/arm/mach-zx/zx29=
6702-pm-domain.c
index 7a08bf9dd792..ba4f556b7a13 100644
=2D-- a/arch/arm/mach-zx/zx296702-pm-domain.c
+++ b/arch/arm/mach-zx/zx296702-pm-domain.c
@@ -152,7 +152,6 @@ static struct generic_pm_domain *zx296702_pm_domains[]=
 =3D {
 static int zx296702_pd_probe(struct platform_device *pdev)
 {
 	struct genpd_onecell_data *genpd_data;
-	struct resource *res;
 	int i;

 	genpd_data =3D devm_kzalloc(&pdev->dev, sizeof(*genpd_data), GFP_KERNEL)=
;
@@ -161,14 +160,7 @@ static int zx296702_pd_probe(struct platform_device *=
pdev)

 	genpd_data->domains =3D zx296702_pm_domains;
 	genpd_data->num_domains =3D ARRAY_SIZE(zx296702_pm_domains);
-
-	res =3D platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(&pdev->dev, "no memory resource defined\n");
-		return -ENODEV;
-	}
-
-	pcubase =3D devm_ioremap_resource(&pdev->dev, res);
+	pcubase =3D devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(pcubase)) {
 		dev_err(&pdev->dev, "ioremap fail.\n");
 		return -EIO;
=2D-
2.23.0