linux-kernel - RE: [PATCH 1/2] i2c: mxs: use devm_platform_ioremap

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Date:   Wed, 17 Jul 2019 10:21:47 +0000
From:   Aisheng Dong <aisheng.dong@....com>
To:     Anson Huang <anson.huang@....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>,
        "wsa+renesas@...g-engineering.com" <wsa+renesas@...g-engineering.com>,
        "linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     dl-linux-imx <linux-imx@....com>
Subject: RE: [PATCH 1/2] i2c: mxs: use devm_platform_ioremap_resource() to
 simplify code

> From: Anson.Huang@....com <Anson.Huang@....com>
> Sent: Wednesday, July 17, 2019 4:40 PM
> 
> 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>

Reviewed-by: Dong Aisheng <aisheng.dong@....com>

Regards
Aisheng

> ---
>  drivers/i2c/busses/i2c-mxs.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c index
> 7d79317..8922491 100644
> --- a/drivers/i2c/busses/i2c-mxs.c
> +++ b/drivers/i2c/busses/i2c-mxs.c
> @@ -802,7 +802,6 @@ static int mxs_i2c_probe(struct platform_device
> *pdev)
>  	struct device *dev = &pdev->dev;
>  	struct mxs_i2c_dev *i2c;
>  	struct i2c_adapter *adap;
> -	struct resource *res;
>  	int err, irq;
> 
>  	i2c = devm_kzalloc(dev, sizeof(*i2c), GFP_KERNEL); @@ -814,8 +813,7
> @@ static int mxs_i2c_probe(struct platform_device *pdev)
>  		i2c->dev_type = device_id->driver_data;
>  	}
> 
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	i2c->regs = devm_ioremap_resource(&pdev->dev, res);
> +	i2c->regs = devm_platform_ioremap_resource(pdev, 0);
>  	if (IS_ERR(i2c->regs))
>  		return PTR_ERR(i2c->regs);
> 
> --
> 2.7.4