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

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Date:   Wed, 1 Sep 2021 15:42:29 +0800
From:   Cai Huoqing <caihuoqing@...du.com>
To:     <caihuoqing@...du.com>
CC:     Stefan Agner <stefan@...er.ch>, Lucas Stach <dev@...xeye.de>,
        "Miquel Raynal" <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        <linux-mtd@...ts.infradead.org>, <linux-tegra@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] mtd: rawnand: tegra: 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/tegra_nand.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/mtd/nand/raw/tegra_nand.c b/drivers/mtd/nand/raw/tegra_nand.c
index fbf67722a049..32431bbe69b8 100644
--- a/drivers/mtd/nand/raw/tegra_nand.c
+++ b/drivers/mtd/nand/raw/tegra_nand.c
@@ -1144,7 +1144,6 @@ static int tegra_nand_probe(struct platform_device *pdev)
 {
 	struct reset_control *rst;
 	struct tegra_nand_controller *ctrl;
-	struct resource *res;
 	int err = 0;
 
 	ctrl = devm_kzalloc(&pdev->dev, sizeof(*ctrl), GFP_KERNEL);
@@ -1155,8 +1154,7 @@ static int tegra_nand_probe(struct platform_device *pdev)
 	nand_controller_init(&ctrl->controller);
 	ctrl->controller.ops = &tegra_nand_controller_ops;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	ctrl->regs = devm_ioremap_resource(&pdev->dev, res);
+	ctrl->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(ctrl->regs))
 		return PTR_ERR(ctrl->regs);
 
-- 
2.25.1