linux-kernel - Re: [PATCH 11/15] regulator: ti-abb: Convert to use devm_ioremap

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Date:	Mon, 10 Jun 2013 17:31:47 +0530
From:	Sachin Kamat <sachin.kamat@...aro.org>
To:	Tushar Behera <tushar.behera@...aro.org>
Cc:	linux-kernel@...r.kernel.org, thierry.reding@...il.com,
	patches@...aro.org, Mark Brown <broonie@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>
Subject: Re: [PATCH 11/15] regulator: ti-abb: Convert to use devm_ioremap_resource

On 10 June 2013 17:05, Tushar Behera <tushar.behera@...aro.org> wrote:
> Commit 75096579c3ac ("lib: devres: Introduce devm_ioremap_resource()")
> introduced devm_ioremap_resource() and deprecated the use of
> devm_request_and_ioremap().
>
> Signed-off-by: Tushar Behera <tushar.behera@...aro.org>
> CC: Mark Brown <broonie@...nel.org>
> CC: Liam Girdwood <lgirdwood@...il.com>
> ---
>  drivers/regulator/ti-abb-regulator.c |   12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/regulator/ti-abb-regulator.c b/drivers/regulator/ti-abb-regulator.c
> index 870d209..f494a11 100644
> --- a/drivers/regulator/ti-abb-regulator.c
> +++ b/drivers/regulator/ti-abb-regulator.c
> @@ -722,10 +722,10 @@ static int ti_abb_probe(struct platform_device *pdev)
>                 ret = -ENODEV;
>                 goto err;
>         }
> -       abb->base = devm_request_and_ioremap(dev, res);
> -       if (!abb->base) {
> +       abb->base = devm_ioremap_resource(dev, res);
> +       if (IS_ERR(abb->base)) {
>                 dev_err(dev, "Unable to map '%s'\n", pname);

You may remove the above error message as devm_ioremap_resource prints
its own error messages.

> -               ret = -ENOMEM;
> +               ret = PTR_ERR(abb->base);
>                 goto err;
>         }
>
> @@ -776,10 +776,10 @@ static int ti_abb_probe(struct platform_device *pdev)
>                 ret = -ENODEV;
>                 goto skip_opt;
>         }
> -       abb->ldo_base = devm_request_and_ioremap(dev, res);
> -       if (!abb->ldo_base) {
> +       abb->ldo_base = devm_ioremap_resource(dev, res);
> +       if (IS_ERR(abb->ldo_base)) {
>                 dev_err(dev, "Unable to map '%s'\n", pname);

ditto

> -               ret = -ENOMEM;
> +               ret = PTR_ERR(abb->ldo_base);
>                 goto err;
>         }
>
> --
> 1.7.9.5
>
> --
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-- 
With warm regards,
Sachin
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