linux-kernel - [PATCH] mtd: rawnand: hisi504: Make use of the helper function devm_platform_ioremap

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Message-ID: <20210901074138.9133-1-caihuoqing@baidu.com>
Date:   Wed, 1 Sep 2021 15:41:37 +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: hisi504: 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/mtd/nand/raw/hisi504_nand.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/mtd/nand/raw/hisi504_nand.c b/drivers/mtd/nand/raw/hisi504_nand.c
index 78c4e05434e2..c74f6b2192fc 100644
--- a/drivers/mtd/nand/raw/hisi504_nand.c
+++ b/drivers/mtd/nand/raw/hisi504_nand.c
@@ -738,7 +738,6 @@ static int hisi_nfc_probe(struct platform_device *pdev)
 	struct hinfc_host *host;
 	struct nand_chip  *chip;
 	struct mtd_info   *mtd;
-	struct resource	  *res;
 	struct device_node *np = dev->of_node;
 
 	host = devm_kzalloc(dev, sizeof(*host), GFP_KERNEL);
@@ -754,13 +753,11 @@ static int hisi_nfc_probe(struct platform_device *pdev)
 	if (irq < 0)
 		return -ENXIO;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	host->iobase = devm_ioremap_resource(dev, res);
+	host->iobase = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(host->iobase))
 		return PTR_ERR(host->iobase);
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	host->mmio = devm_ioremap_resource(dev, res);
+	host->mmio = devm_platform_ioremap_resource(pdev, 1);
 	if (IS_ERR(host->mmio))
 		return PTR_ERR(host->mmio);
 
-- 
2.25.1