linux-kernel - [PATCH v3] media: rcar_drif: Make use of the helper function devm_platform_get_and_ioremap

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Message-ID: <20210901113834.31427-1-caihuoqing@baidu.com>
Date:   Wed, 1 Sep 2021 19:38:34 +0800
From:   Cai Huoqing <caihuoqing@...du.com>
To:     <caihuoqing@...du.com>
CC:     Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        <linux-media@...r.kernel.org>, <linux-renesas-soc@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v3] media: rcar_drif: Make use of the helper function devm_platform_get_and_ioremap_resource()

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

Signed-off-by: Cai Huoqing <caihuoqing@...du.com>
---
v1->v2:
Use devm_platform_get_and_ioremap_resource() instead of
devm_platform_ioremap_resource().
v2->v3:
Update commit message.
 
 drivers/media/platform/rcar_drif.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/media/platform/rcar_drif.c b/drivers/media/platform/rcar_drif.c
index a505d991548b..e50673276d93 100644
--- a/drivers/media/platform/rcar_drif.c
+++ b/drivers/media/platform/rcar_drif.c
@@ -1376,7 +1376,7 @@ static int rcar_drif_probe(struct platform_device *pdev)
 	struct rcar_drif_sdr *sdr;
 	struct device_node *np;
 	struct rcar_drif *ch;
-	struct resource	*res;
+	struct resource *res;
 	int ret;
 
 	/* Reserve memory for enabled channel */
@@ -1395,8 +1395,7 @@ static int rcar_drif_probe(struct platform_device *pdev)
 	}
 
 	/* Register map */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	ch->base = devm_ioremap_resource(&pdev->dev, res);
+	ch->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(ch->base))
 		return PTR_ERR(ch->base);
 
-- 
2.25.1