linux-kernel - Re: [PATCH] iio: adc: exynos_adc: use devm_ioremap

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Date:	Thu, 2 May 2013 14:30:30 -0700
From:	Naveen Krishna Ch <naveenkrishna.ch@...il.com>
To:	Laurent Navet <laurent.navet@...il.com>
Cc:	jic23@....ac.uk, My self <ch.naveen@...sung.com>, lars@...afoo.de,
	sachin.kamat@...aro.org, dianders@...omium.org,
	linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iio: adc: exynos_adc: use devm_ioremap_resource()

On 2 May 2013 14:10, Laurent Navet <laurent.navet@...il.com> wrote:
> Replace calls to deprecated devm_request_and_ioremap by devm_ioremap_resource.
>
> Found with coccicheck and this semantic patch:
>  scripts/coccinelle/api/devm_request_and_ioremap.cocci.
>
> Signed-off-by: Laurent Navet <laurent.navet@...il.com>
Hello Laurent,


But, we already have patch from Sachin
http://patches.linaro.org/15833/
lined up for merge.

Thanks for the post.
Naveen
> ---
>  drivers/iio/adc/exynos_adc.c |   12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/iio/adc/exynos_adc.c b/drivers/iio/adc/exynos_adc.c
> index 9f3a8ef..22d034a 100644
> --- a/drivers/iio/adc/exynos_adc.c
> +++ b/drivers/iio/adc/exynos_adc.c
> @@ -270,16 +270,16 @@ static int exynos_adc_probe(struct platform_device *pdev)
>         info = iio_priv(indio_dev);
>
>         mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -       info->regs = devm_request_and_ioremap(&pdev->dev, mem);
> -       if (!info->regs) {
> -               ret = -ENOMEM;
> +       info->regs = devm_ioremap_resource(&pdev->dev, mem);
> +       if (IS_ERR(info->regs)) {
> +               ret = PTR_ERR(info->regs);
>                 goto err_iio;
>         }
>
>         mem = platform_get_resource(pdev, IORESOURCE_MEM, 1);
> -       info->enable_reg = devm_request_and_ioremap(&pdev->dev, mem);
> -       if (!info->enable_reg) {
> -               ret = -ENOMEM;
> +       info->enable_reg = devm_ioremap_resource(&pdev->dev, mem);
> +       if (IS_ERR(info->enable_reg)) {
> +               ret = PTR_ERR(info->enable_reg);
>                 goto err_iio;
>         }
>
> --
> 1.7.10.4
>
> --
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