linux-kernel - [PATCH] dma: ti: dma-crossbar: convert to devm_platform_ioremap

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Message-Id: <1580189746-2864-1-git-send-email-qiwuchen55@gmail.com>
Date:   Tue, 28 Jan 2020 13:35:46 +0800
From:   qiwuchen55@...il.com
To:     vkoul@...nel.org, dan.j.williams@...el.com, allison@...utok.net,
        peter.ujfalusi@...com, kstewart@...uxfoundation.org
Cc:     tglx@...utronix.de, wenwen@...uga.edu, dmaengine@...r.kernel.org,
        linux-kernel@...r.kernel.org, chenqiwu <chenqiwu@...omi.com>
Subject: [PATCH] dma: ti: dma-crossbar: convert to devm_platform_ioremap_resource()

From: chenqiwu <chenqiwu@...omi.com>

Use a new API devm_platform_ioremap_resource() to simplify code.

Signed-off-by: chenqiwu <chenqiwu@...omi.com>
---
 drivers/dma/ti/dma-crossbar.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/dma/ti/dma-crossbar.c b/drivers/dma/ti/dma-crossbar.c
index f255056..4ba8fa5 100644
--- a/drivers/dma/ti/dma-crossbar.c
+++ b/drivers/dma/ti/dma-crossbar.c
@@ -133,7 +133,6 @@ static int ti_am335x_xbar_probe(struct platform_device *pdev)
 	const struct of_device_id *match;
 	struct device_node *dma_node;
 	struct ti_am335x_xbar_data *xbar;
-	struct resource *res;
 	void __iomem *iomem;
 	int i, ret;
 
@@ -173,8 +172,7 @@ static int ti_am335x_xbar_probe(struct platform_device *pdev)
 		xbar->xbar_events = TI_AM335X_XBAR_LINES;
 	}
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	iomem = devm_ioremap_resource(&pdev->dev, res);
+	iomem = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(iomem))
 		return PTR_ERR(iomem);
 
@@ -323,7 +321,6 @@ static int ti_dra7_xbar_probe(struct platform_device *pdev)
 	struct device_node *dma_node;
 	struct ti_dra7_xbar_data *xbar;
 	struct property *prop;
-	struct resource *res;
 	u32 safe_val;
 	int sz;
 	void __iomem *iomem;
@@ -403,8 +400,7 @@ static int ti_dra7_xbar_probe(struct platform_device *pdev)
 		kfree(rsv_events);
 	}
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	iomem = devm_ioremap_resource(&pdev->dev, res);
+	iomem = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(iomem))
 		return PTR_ERR(iomem);
 
-- 
1.9.1