linux-kernel - [PATCH] MIPS: lantiq: xway: Use devm_platform_get_and_ioremap

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Message-ID: <202302081045168463601@zte.com.cn>
Date:   Wed, 8 Feb 2023 10:45:16 +0800 (CST)
From:   <ye.xingchen@....com.cn>
To:     <tsbogend@...ha.franken.de>
Cc:     <john@...ozen.org>, <xkernel.wang@...mail.com>,
        <linux-mips@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] MIPS: lantiq: xway: 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>
---
 arch/mips/lantiq/xway/dcdc.c | 5 +----
 arch/mips/lantiq/xway/dma.c  | 4 +---
 arch/mips/lantiq/xway/gptu.c | 5 +----
 3 files changed, 3 insertions(+), 11 deletions(-)

diff --git a/arch/mips/lantiq/xway/dcdc.c b/arch/mips/lantiq/xway/dcdc.c
index 4960bee0a99d..96199966a350 100644
--- a/arch/mips/lantiq/xway/dcdc.c
+++ b/arch/mips/lantiq/xway/dcdc.c
@@ -22,10 +22,7 @@ static void __iomem *dcdc_membase;

 static int dcdc_probe(struct platform_device *pdev)
 {
-	struct resource *res;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	dcdc_membase = devm_ioremap_resource(&pdev->dev, res);
+	dcdc_membase = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
 	if (IS_ERR(dcdc_membase))
 		return PTR_ERR(dcdc_membase);

diff --git a/arch/mips/lantiq/xway/dma.c b/arch/mips/lantiq/xway/dma.c
index f8eedeb15f18..934ac72937e5 100644
--- a/arch/mips/lantiq/xway/dma.c
+++ b/arch/mips/lantiq/xway/dma.c
@@ -239,12 +239,10 @@ static int
 ltq_dma_init(struct platform_device *pdev)
 {
 	struct clk *clk;
-	struct resource *res;
 	unsigned int id, nchannels;
 	int i;

-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	ltq_dma_membase = devm_ioremap_resource(&pdev->dev, res);
+	ltq_dma_membase = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
 	if (IS_ERR(ltq_dma_membase))
 		panic("Failed to remap dma resource");

diff --git a/arch/mips/lantiq/xway/gptu.c b/arch/mips/lantiq/xway/gptu.c
index 200fe9ff641d..a492b1eb1925 100644
--- a/arch/mips/lantiq/xway/gptu.c
+++ b/arch/mips/lantiq/xway/gptu.c
@@ -136,17 +136,14 @@ static inline void clkdev_add_gptu(struct device *dev, const char *con,
 static int gptu_probe(struct platform_device *pdev)
 {
 	struct clk *clk;
-	struct resource *res;

 	if (of_irq_to_resource_table(pdev->dev.of_node, irqres, 6) != 6) {
 		dev_err(&pdev->dev, "Failed to get IRQ list\n");
 		return -EINVAL;
 	}

-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
 	/* remap gptu register range */
-	gptu_membase = devm_ioremap_resource(&pdev->dev, res);
+	gptu_membase = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
 	if (IS_ERR(gptu_membase))
 		return PTR_ERR(gptu_membase);

-- 
2.25.1