linux-kernel - [PATCH] mailbox: imx: use devm_platform_ioremap

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Date:   Mon, 1 Apr 2019 05:15:24 +0000
From:   Anson Huang <anson.huang@....com>
To:     "jassisinghbrar@...il.com" <jassisinghbrar@...il.com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
CC:     dl-linux-imx <linux-imx@....com>
Subject: [PATCH] mailbox: imx: use devm_platform_ioremap_resource() to
 simplify code

Use the new helper devm_platform_ioremap_resource() which wraps the
platform_get_resource() and devm_ioremap_resource() together, to
simplify the code.

Signed-off-by: Anson Huang <Anson.Huang@....com>
---
 drivers/mailbox/imx-mailbox.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/mailbox/imx-mailbox.c b/drivers/mailbox/imx-mailbox.c
index 85fc5b5..25be8bb 100644
--- a/drivers/mailbox/imx-mailbox.c
+++ b/drivers/mailbox/imx-mailbox.c
@@ -264,7 +264,6 @@ static int imx_mu_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct device_node *np = dev->of_node;
-	struct resource *iomem;
 	struct imx_mu_priv *priv;
 	unsigned int i;
 	int ret;
@@ -275,8 +274,7 @@ static int imx_mu_probe(struct platform_device *pdev)
 
 	priv->dev = dev;
 
-	iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	priv->base = devm_ioremap_resource(&pdev->dev, iomem);
+	priv->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(priv->base))
 		return PTR_ERR(priv->base);
 
-- 
2.7.4