linux-kernel - [PATCH] media: s5p-jpeg: Make use of the helper function devm_platform_ioremap

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Date:   Wed, 1 Sep 2021 13:56:09 +0800
From:   Cai Huoqing <caihuoqing@...du.com>
To:     <caihuoqing@...du.com>
CC:     Andrzej Pietrasiewicz <andrzejtp2010@...il.com>,
        Jacek Anaszewski <jacek.anaszewski@...il.com>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-media@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] media: s5p-jpeg: 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/s5p-jpeg/jpeg-core.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c
index d402e456f27d..1faff037cdf7 100644
--- a/drivers/media/platform/s5p-jpeg/jpeg-core.c
+++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c
@@ -2850,7 +2850,6 @@ static void *jpeg_get_drv_data(struct device *dev);
 static int s5p_jpeg_probe(struct platform_device *pdev)
 {
 	struct s5p_jpeg *jpeg;
-	struct resource *res;
 	int i, ret;
 
 	/* JPEG IP abstraction struct */
@@ -2867,9 +2866,7 @@ static int s5p_jpeg_probe(struct platform_device *pdev)
 	jpeg->dev = &pdev->dev;
 
 	/* memory-mapped registers */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
-	jpeg->regs = devm_ioremap_resource(&pdev->dev, res);
+	jpeg->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(jpeg->regs))
 		return PTR_ERR(jpeg->regs);
 
-- 
2.25.1