linux-kernel - [PATCH 5/8] ata: sata_rcar: Convert to devm_platform_ioremap

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Message-Id: <20230706124239.23366-5-frank.li@vivo.com>
Date:   Thu,  6 Jul 2023 20:42:35 +0800
From:   Yangtao Li <frank.li@...o.com>
To:     Sergey Shtylyov <s.shtylyov@....ru>,
        Damien Le Moal <dlemoal@...nel.org>
Cc:     Yangtao Li <frank.li@...o.com>, linux-ide@...r.kernel.org,
        linux-renesas-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 5/8] ata: sata_rcar: Convert to devm_platform_ioremap_resource()

Use devm_platform_ioremap_resource() to simplify code.

Signed-off-by: Yangtao Li <frank.li@...o.com>
---
 drivers/ata/sata_rcar.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c
index 34790f15c1b8..63f8337c2a98 100644
--- a/drivers/ata/sata_rcar.c
+++ b/drivers/ata/sata_rcar.c
@@ -861,15 +861,11 @@ static int sata_rcar_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct ata_host *host;
 	struct sata_rcar_priv *priv;
-	struct resource *mem;
-	int irq;
-	int ret = 0;
+	int irq, ret;
 
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0)
 		return irq;
-	if (!irq)
-		return -EINVAL;
 
 	priv = devm_kzalloc(dev, sizeof(struct sata_rcar_priv), GFP_KERNEL);
 	if (!priv)
@@ -890,8 +886,7 @@ static int sata_rcar_probe(struct platform_device *pdev)
 
 	host->private_data = priv;
 
-	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	priv->base = devm_ioremap_resource(dev, mem);
+	priv->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(priv->base)) {
 		ret = PTR_ERR(priv->base);
 		goto err_pm_put;
-- 
2.39.0