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

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Date:   Sun, 28 Apr 2019 06:27:17 +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: RE: [PATCH] mailbox: imx: use devm_platform_ioremap_resource() to
 simplify code

Ping...

> -----Original Message-----
> From: Anson Huang
> Sent: Monday, April 1, 2019 1:15 PM
> To: jassisinghbrar@...il.com; shawnguo@...nel.org;
> s.hauer@...gutronix.de; kernel@...gutronix.de; festevam@...il.com;
> linux-kernel@...r.kernel.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