linux-kernel - [PATCH] media: s3c-camif: Make use of the helper function devm_platform_ioremap

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Date:   Wed, 1 Sep 2021 13:55:54 +0800
From:   Cai Huoqing <caihuoqing@...du.com>
To:     <caihuoqing@...du.com>
CC:     Sylwester Nawrocki <sylvester.nawrocki@...il.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        <linux-media@...r.kernel.org>, <linux-samsung-soc@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] media: s3c-camif: Make use of the helper function devm_platform_ioremap_resource()

Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately

Signed-off-by: Cai Huoqing <caihuoqing@...du.com>
---
 drivers/media/platform/s3c-camif/camif-core.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/media/platform/s3c-camif/camif-core.c b/drivers/media/platform/s3c-camif/camif-core.c
index e1d51fd3e700..b6a03296c923 100644
--- a/drivers/media/platform/s3c-camif/camif-core.c
+++ b/drivers/media/platform/s3c-camif/camif-core.c
@@ -402,7 +402,6 @@ static int s3c_camif_probe(struct platform_device *pdev)
 	struct s3c_camif_plat_data *pdata = dev->platform_data;
 	struct s3c_camif_drvdata *drvdata;
 	struct camif_dev *camif;
-	struct resource *mres;
 	int ret = 0;
 
 	camif = devm_kzalloc(dev, sizeof(*camif), GFP_KERNEL);
@@ -423,9 +422,7 @@ static int s3c_camif_probe(struct platform_device *pdev)
 	drvdata = (void *)platform_get_device_id(pdev)->driver_data;
 	camif->variant = drvdata->variant;
 
-	mres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
-	camif->io_base = devm_ioremap_resource(dev, mres);
+	camif->io_base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(camif->io_base))
 		return PTR_ERR(camif->io_base);
 
-- 
2.25.1