linux-kernel - Re: [PATCH] input: imx6ul_tsc: use devm_platform_ioremap

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Date:   Mon, 1 Apr 2019 13:32:12 +0530
From:   Mukesh Ojha <mojha@...eaurora.org>
To:     Anson Huang <anson.huang@....com>,
        "dmitry.torokhov@...il.com" <dmitry.torokhov@...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-input@...r.kernel.org" <linux-input@...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] input: imx6ul_tsc: use devm_platform_ioremap_resource()
 to simplify code


On 4/1/2019 10:49 AM, Anson Huang wrote:
> 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: Mukesh Ojha <mojha@...eaurora.org>

Cheers,
-Mukesh

> ---
>   drivers/input/touchscreen/imx6ul_tsc.c | 8 ++------
>   1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/input/touchscreen/imx6ul_tsc.c b/drivers/input/touchscreen/imx6ul_tsc.c
> index c10fc59..e04eecd 100644
> --- a/drivers/input/touchscreen/imx6ul_tsc.c
> +++ b/drivers/input/touchscreen/imx6ul_tsc.c
> @@ -364,8 +364,6 @@ static int imx6ul_tsc_probe(struct platform_device *pdev)
>   	struct device_node *np = pdev->dev.of_node;
>   	struct imx6ul_tsc *tsc;
>   	struct input_dev *input_dev;
> -	struct resource *tsc_mem;
> -	struct resource *adc_mem;
>   	int err;
>   	int tsc_irq;
>   	int adc_irq;
> @@ -403,16 +401,14 @@ static int imx6ul_tsc_probe(struct platform_device *pdev)
>   		return err;
>   	}
>   
> -	tsc_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	tsc->tsc_regs = devm_ioremap_resource(&pdev->dev, tsc_mem);
> +	tsc->tsc_regs = devm_platform_ioremap_resource(pdev, 0);
>   	if (IS_ERR(tsc->tsc_regs)) {
>   		err = PTR_ERR(tsc->tsc_regs);
>   		dev_err(&pdev->dev, "failed to remap tsc memory: %d\n", err);
>   		return err;
>   	}
>   
> -	adc_mem = platform_get_resource(pdev, IORESOURCE_MEM, 1);
> -	tsc->adc_regs = devm_ioremap_resource(&pdev->dev, adc_mem);
> +	tsc->adc_regs = devm_platform_ioremap_resource(pdev, 1);
>   	if (IS_ERR(tsc->adc_regs)) {
>   		err = PTR_ERR(tsc->adc_regs);
>   		dev_err(&pdev->dev, "failed to remap adc memory: %d\n", err);