linux-kernel - [PATCH] ata: Make use of the helper function devm_platform_ioremap

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Message-Id: <20220421084412.2615081-1-lv.ruyi@zte.com.cn>
Date:   Thu, 21 Apr 2022 08:44:12 +0000
From:   cgel.zte@...il.com
To:     linus.walleij@...aro.org, damien.lemoal@...nsource.wdc.com
Cc:     linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
        Lv Ruyi <lv.ruyi@....com.cn>, Zeal Robot <zealci@....com.cn>
Subject: [PATCH] ata: Make use of the helper function devm_platform_ioremap_resource()

From: Lv Ruyi <lv.ruyi@....com.cn>

Use the devm_platform_ioremap_resource() helper instead of calling
platform_get_resource() and devm_ioremap_resource() separately.Make the
code simpler without functional changes.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Lv Ruyi <lv.ruyi@....com.cn>
---
 drivers/ata/sata_gemini.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/ata/sata_gemini.c b/drivers/ata/sata_gemini.c
index 00e1c7941d0e..b729e9919bb0 100644
--- a/drivers/ata/sata_gemini.c
+++ b/drivers/ata/sata_gemini.c
@@ -318,7 +318,6 @@ static int gemini_sata_probe(struct platform_device *pdev)
 	struct device_node *np = dev->of_node;
 	struct sata_gemini *sg;
 	struct regmap *map;
-	struct resource *res;
 	enum gemini_muxmode muxmode;
 	u32 gmode;
 	u32 gmask;
@@ -329,11 +328,7 @@ static int gemini_sata_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	sg->dev = dev;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENODEV;
-
-	sg->base = devm_ioremap_resource(dev, res);
+	sg->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(sg->base))
 		return PTR_ERR(sg->base);
 
-- 
2.25.1