linux-kernel - [PATCH 02/11] media: pxa_camera: Use devm_platform_get_and_ioremap

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Message-Id: <20230706101100.75654-2-frank.li@vivo.com>
Date:   Thu,  6 Jul 2023 18:10:50 +0800
From:   Yangtao Li <frank.li@...o.com>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>
Cc:     Yangtao Li <frank.li@...o.com>, linux-media@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 02/11] media: pxa_camera: 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>
---
 drivers/media/platform/intel/pxa_camera.c | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/drivers/media/platform/intel/pxa_camera.c b/drivers/media/platform/intel/pxa_camera.c
index 9ed3c2e063de..aaf83e515ff7 100644
--- a/drivers/media/platform/intel/pxa_camera.c
+++ b/drivers/media/platform/intel/pxa_camera.c
@@ -2274,9 +2274,15 @@ static int pxa_camera_probe(struct platform_device *pdev)
 	int irq;
 	int err = 0, i;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	/*
+	 * Request the regions.
+	 */
+	base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
+	if (IS_ERR(base))
+		return PTR_ERR(base);
+
 	irq = platform_get_irq(pdev, 0);
-	if (!res || irq < 0)
+	if (irq < 0)
 		return -ENODEV;
 
 	pcdev = devm_kzalloc(&pdev->dev, sizeof(*pcdev), GFP_KERNEL);
@@ -2338,13 +2344,6 @@ static int pxa_camera_probe(struct platform_device *pdev)
 	spin_lock_init(&pcdev->lock);
 	mutex_init(&pcdev->mlock);
 
-	/*
-	 * Request the regions.
-	 */
-	base = devm_ioremap_resource(&pdev->dev, res);
-	if (IS_ERR(base))
-		return PTR_ERR(base);
-
 	pcdev->irq = irq;
 	pcdev->base = base;
 
-- 
2.39.0