linux-kernel - [PATCH] staging: media: meson: vdec: Make use of the helper function devm_platform_ioremap_resource

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Date:   Wed, 8 Sep 2021 18:57:29 +0800
From:   Cai Huoqing <caihuoqing@...du.com>
To:     <caihuoqing@...du.com>
CC:     Neil Armstrong <narmstrong@...libre.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Kevin Hilman" <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        "Martin Blumenstingl" <martin.blumenstingl@...glemail.com>,
        <linux-media@...r.kernel.org>, <linux-amlogic@...ts.infradead.org>,
        <linux-staging@...ts.linux.dev>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] staging: media: meson: vdec: Make use of the helper function devm_platform_ioremap_resource_byname()

Use the devm_platform_ioremap_resource_byname() helper instead of
calling platform_get_resource_byname() and devm_ioremap_resource()
separately

Signed-off-by: Cai Huoqing <caihuoqing@...du.com>
---
 drivers/staging/media/meson/vdec/vdec.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/media/meson/vdec/vdec.c b/drivers/staging/media/meson/vdec/vdec.c
index e51d69c4729d..8549d95be0f2 100644
--- a/drivers/staging/media/meson/vdec/vdec.c
+++ b/drivers/staging/media/meson/vdec/vdec.c
@@ -994,7 +994,6 @@ static int vdec_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct video_device *vdev;
 	struct amvdec_core *core;
-	struct resource *r;
 	const struct of_device_id *of_id;
 	int irq;
 	int ret;
@@ -1006,13 +1005,11 @@ static int vdec_probe(struct platform_device *pdev)
 	core->dev = dev;
 	platform_set_drvdata(pdev, core);
 
-	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dos");
-	core->dos_base = devm_ioremap_resource(dev, r);
+	core->dos_base = devm_platform_ioremap_resource_byname(pdev, "dos");
 	if (IS_ERR(core->dos_base))
 		return PTR_ERR(core->dos_base);
 
-	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "esparser");
-	core->esparser_base = devm_ioremap_resource(dev, r);
+	core->esparser_base = devm_platform_ioremap_resource_byname(pdev, "esparser");
 	if (IS_ERR(core->esparser_base))
 		return PTR_ERR(core->esparser_base);
 
-- 
2.25.1