linux-kernel - [PATCH v3 08/11] ata: pata_ixp4xx: Use devm_platform_get_and_ioremap

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Message-Id: <20230710024550.59544-8-frank.li@vivo.com>
Date:   Mon, 10 Jul 2023 10:45:47 +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-kernel@...r.kernel.org
Subject: [PATCH v3 08/11] ata: pata_ixp4xx: Use devm_platform_get_and_ioremap_resource()

Convert platform_get_resource(), devm_ioremap_resource() to a single
call to devm_platform_get_and_ioremap_resource(), as this is exactly
what this function does.

Signed-off-by: Yangtao Li <frank.li@...o.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@....ru>
---
 drivers/ata/pata_ixp4xx_cf.c | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/drivers/ata/pata_ixp4xx_cf.c b/drivers/ata/pata_ixp4xx_cf.c
index b1daa4d3fcd9..1b9f67e16864 100644
--- a/drivers/ata/pata_ixp4xx_cf.c
+++ b/drivers/ata/pata_ixp4xx_cf.c
@@ -242,12 +242,6 @@ static int ixp4xx_pata_probe(struct platform_device *pdev)
 	int ret;
 	int irq;
 
-	cmd = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	ctl = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-
-	if (!cmd || !ctl)
-		return -EINVAL;
-
 	ixpp = devm_kzalloc(dev, sizeof(*ixpp), GFP_KERNEL);
 	if (!ixpp)
 		return -ENOMEM;
@@ -271,10 +265,13 @@ static int ixp4xx_pata_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	ixpp->cmd = devm_ioremap_resource(dev, cmd);
-	ixpp->ctl = devm_ioremap_resource(dev, ctl);
-	if (IS_ERR(ixpp->cmd) || IS_ERR(ixpp->ctl))
-		return -ENOMEM;
+	ixpp->cmd = devm_platform_get_and_ioremap_resource(pdev, 0, &cmd);
+	if (IS_ERR(ixpp->cmd))
+		return PTR_ERR(ixpp->cmd);
+
+	ixpp->ctl = devm_platform_get_and_ioremap_resource(pdev, 1, &ctl);
+	if (IS_ERR(ixpp->ctl))
+		return PTR_ERR(ixpp->ctl);
 
 	irq = platform_get_irq(pdev, 0);
 	if (irq > 0)
-- 
2.39.0