linux-kernel - [PATCH] gpio: mxc: use devm_platform_ioremap

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Date:   Mon, 1 Apr 2019 05:09:50 +0000
From:   Anson Huang <anson.huang@....com>
To:     "linus.walleij@...aro.org" <linus.walleij@...aro.org>,
        "bgolaszewski@...libre.com" <bgolaszewski@...libre.com>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     dl-linux-imx <linux-imx@....com>
Subject: [PATCH] gpio: mxc: 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/gpio/gpio-mxc.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c
index e86e61d..b281358 100644
--- a/drivers/gpio/gpio-mxc.c
+++ b/drivers/gpio/gpio-mxc.c
@@ -411,7 +411,6 @@ static int mxc_gpio_probe(struct platform_device *pdev)
 {
 	struct device_node *np = pdev->dev.of_node;
 	struct mxc_gpio_port *port;
-	struct resource *iores;
 	int irq_base;
 	int err;
 
@@ -423,8 +422,7 @@ static int mxc_gpio_probe(struct platform_device *pdev)
 
 	port->dev = &pdev->dev;
 
-	iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	port->base = devm_ioremap_resource(&pdev->dev, iores);
+	port->base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(port->base))
 		return PTR_ERR(port->base);
 
-- 
2.7.4