linux-kernel - [PATCH 1/3] soc: mediatek: pwrap: Make use of the helper function devm_platform_ioremap_resource

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Date:   Wed, 8 Sep 2021 15:15:12 +0800
From:   Cai Huoqing <caihuoqing@...du.com>
To:     <caihuoqing@...du.com>
CC:     Matthias Brugger <matthias.bgg@...il.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/3] soc: mediatek: pwrap: 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/soc/mediatek/mtk-pmic-wrap.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index 952bc554f443..29f1bd42f7a8 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -2116,7 +2116,6 @@ static int pwrap_probe(struct platform_device *pdev)
 	struct pmic_wrapper *wrp;
 	struct device_node *np = pdev->dev.of_node;
 	const struct of_device_id *of_slave_id = NULL;
-	struct resource *res;
 
 	if (np->child)
 		of_slave_id = of_match_node(of_slave_match_tbl, np->child);
@@ -2136,8 +2135,7 @@ static int pwrap_probe(struct platform_device *pdev)
 	wrp->slave = of_slave_id->data;
 	wrp->dev = &pdev->dev;
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pwrap");
-	wrp->base = devm_ioremap_resource(wrp->dev, res);
+	wrp->base = devm_platform_ioremap_resource_byname(pdev, "pwrap");
 	if (IS_ERR(wrp->base))
 		return PTR_ERR(wrp->base);
 
@@ -2151,9 +2149,7 @@ static int pwrap_probe(struct platform_device *pdev)
 	}
 
 	if (HAS_CAP(wrp->master->caps, PWRAP_CAP_BRIDGE)) {
-		res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
-				"pwrap-bridge");
-		wrp->bridge_base = devm_ioremap_resource(wrp->dev, res);
+		wrp->bridge_base = devm_platform_ioremap_resource_byname(pdev, "pwrap-bridge");
 		if (IS_ERR(wrp->bridge_base))
 			return PTR_ERR(wrp->bridge_base);
 
-- 
2.25.1