linux-kernel - [PATCH] gpu: ipu-v3: pre: use devm_platform_get_and_ioremap

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Date:   Wed, 8 Feb 2023 15:43:27 +0800 (CST)
From:   <ye.xingchen@....com.cn>
To:     <p.zabel@...gutronix.de>
Cc:     <airlied@...il.com>, <daniel@...ll.ch>,
        <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] gpu: ipu-v3: pre: use devm_platform_get_and_ioremap_resource()

From: Ye Xingchen <ye.xingchen@....com.cn>

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: Ye Xingchen <ye.xingchen@....com.cn>
---
 drivers/gpu/ipu-v3/ipu-pre.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpu/ipu-v3/ipu-pre.c b/drivers/gpu/ipu-v3/ipu-pre.c
index ad82c9e0252f..04229c7852a5 100644
--- a/drivers/gpu/ipu-v3/ipu-pre.c
+++ b/drivers/gpu/ipu-v3/ipu-pre.c
@@ -271,15 +271,13 @@ u32 ipu_pre_get_baddr(struct ipu_pre *pre)
 static int ipu_pre_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	struct resource *res;
 	struct ipu_pre *pre;

 	pre = devm_kzalloc(dev, sizeof(*pre), GFP_KERNEL);
 	if (!pre)
 		return -ENOMEM;

-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	pre->regs = devm_ioremap_resource(&pdev->dev, res);
+	pre->regs = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
 	if (IS_ERR(pre->regs))
 		return PTR_ERR(pre->regs);

-- 
2.25.1