linux-kernel - [PATCH] irqchip/irq-mvebu-pic: Make use of the helper function devm_platform_ioremap

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Date:   Wed, 8 Sep 2021 18:57:00 +0800
From:   Cai Huoqing <caihuoqing@...du.com>
To:     <caihuoqing@...du.com>
CC:     Andrew Lunn <andrew@...n.ch>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        "Marc Zyngier" <maz@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] irqchip/irq-mvebu-pic: 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/irqchip/irq-mvebu-pic.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/irqchip/irq-mvebu-pic.c b/drivers/irqchip/irq-mvebu-pic.c
index dc1cee4b0fe1..870f9866b8da 100644
--- a/drivers/irqchip/irq-mvebu-pic.c
+++ b/drivers/irqchip/irq-mvebu-pic.c
@@ -121,14 +121,12 @@ static int mvebu_pic_probe(struct platform_device *pdev)
 	struct device_node *node = pdev->dev.of_node;
 	struct mvebu_pic *pic;
 	struct irq_chip *irq_chip;
-	struct resource *res;
 
 	pic = devm_kzalloc(&pdev->dev, sizeof(struct mvebu_pic), GFP_KERNEL);
 	if (!pic)
 		return -ENOMEM;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	pic->base = devm_ioremap_resource(&pdev->dev, res);
+	pic->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(pic->base))
 		return PTR_ERR(pic->base);
 
-- 
2.25.1