linux-kernel - Re: [PATCH] mfd: qcom_rpm: use devm_platform_get_and_ioremap

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Date:   Wed, 8 Feb 2023 11:02:02 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     ye.xingchen@....com.cn, lee@...nel.org
Cc:     agross@...nel.org, andersson@...nel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mfd: qcom_rpm: use
 devm_platform_get_and_ioremap_resource()



On 8.02.2023 10:34, ye.xingchen@....com.cn wrote:
> From: Ye Xingchen <ye.xingchen@....com.cn>
> 
> Convert platform_get_resource(), devm_ioremap_resource() to a single
> call to devm_platform_get_and_ioremap_resource(), as this is exactly
> what this function does.
> 
> Signed-off-by: Ye Xingchen <ye.xingchen@....com.cn>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad
>  drivers/mfd/qcom_rpm.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/mfd/qcom_rpm.c b/drivers/mfd/qcom_rpm.c
> index 8fea0e511550..086611322874 100644
> --- a/drivers/mfd/qcom_rpm.c
> +++ b/drivers/mfd/qcom_rpm.c
> @@ -530,7 +530,6 @@ static int qcom_rpm_probe(struct platform_device *pdev)
>  {
>  	const struct of_device_id *match;
>  	struct device_node *syscon_np;
> -	struct resource *res;
>  	struct qcom_rpm *rpm;
>  	u32 fw_version[3];
>  	int irq_wakeup;
> @@ -576,8 +575,7 @@ static int qcom_rpm_probe(struct platform_device *pdev)
>  		return -ENODEV;
>  	rpm->data = match->data;
> 
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	rpm->status_regs = devm_ioremap_resource(&pdev->dev, res);
> +	rpm->status_regs = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
>  	if (IS_ERR(rpm->status_regs))
>  		return PTR_ERR(rpm->status_regs);
>  	rpm->ctrl_regs = rpm->status_regs + 0x400;