linux-kernel - [PATCH] mtd: rawnand: denali: Make use of the helper function devm_platform_ioremap_resource

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Message-ID: <20210901074116.8983-1-caihuoqing@baidu.com>
Date:   Wed, 1 Sep 2021 15:41:15 +0800
From:   Cai Huoqing <caihuoqing@...du.com>
To:     <caihuoqing@...du.com>
CC:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        <linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] mtd: rawnand: denali: 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/mtd/nand/raw/denali_dt.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/mtd/nand/raw/denali_dt.c b/drivers/mtd/nand/raw/denali_dt.c
index f08740ae282b..8513bb9fcfcc 100644
--- a/drivers/mtd/nand/raw/denali_dt.c
+++ b/drivers/mtd/nand/raw/denali_dt.c
@@ -113,7 +113,6 @@ static int denali_dt_chip_init(struct denali_controller *denali,
 static int denali_dt_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	struct resource *res;
 	struct denali_dt *dt;
 	const struct denali_dt_data *data;
 	struct denali_controller *denali;
@@ -139,13 +138,11 @@ static int denali_dt_probe(struct platform_device *pdev)
 	if (denali->irq < 0)
 		return denali->irq;
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "denali_reg");
-	denali->reg = devm_ioremap_resource(dev, res);
+	denali->reg = devm_platform_ioremap_resource_byname(pdev, "denali_reg");
 	if (IS_ERR(denali->reg))
 		return PTR_ERR(denali->reg);
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "nand_data");
-	denali->host = devm_ioremap_resource(dev, res);
+	denali->host = devm_platform_ioremap_resource_byname(pdev, "nand_data");
 	if (IS_ERR(denali->host))
 		return PTR_ERR(denali->host);
 
-- 
2.25.1