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From:   Bartosz Golaszewski <bgolaszewski@baylibre.com>
Date:   Mon, 24 Jun 2019 10:29:35 +0200
Message-ID: <CAMpxmJX-wXQ-ff1RWkPmJBWSsP_v2MjZrA3fhj3HQX0_zM0eZA@mail.gmail.com>
Subject: Re: [PATCH] drivers: Adjust scope for CONFIG_HAS_IOMEM before devm_platform_ioremap_resource()
To:     Markus Elfring <Markus.Elfring@web.de>
Cc:     Bartosz Golaszewski <brgl@bgdev.pl>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Keerthy <j-keerthy@ti.com>,
        Linus Walleij <linus.walleij@linaro.org>,
        "Rafael J. Wysocki" <rafael@kernel.org>,
        linux-gpio <linux-gpio@vger.kernel.org>,
        kernel-janitors@vger.kernel.org,
        LKML <linux-kernel@vger.kernel.org>
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pt., 14 cze 2019 o 18:50 Markus Elfring <Markus.Elfring@web.de> napisa=C5=
=82(a):
>
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Fri, 14 Jun 2019 17:45:13 +0200
>
> Move the preprocessor statement =E2=80=9C#ifdef CONFIG_HAS_IOMEM=E2=80=9D=
 so that
> the corresponding scope for conditional compilation includes also comment=
s
> for this function implementation.
>
> Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
> ---
>  drivers/base/platform.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/base/platform.c b/drivers/base/platform.c
> index 4d1729853d1a..a5f40974a6ef 100644
> --- a/drivers/base/platform.c
> +++ b/drivers/base/platform.c
> @@ -78,6 +78,7 @@ struct resource *platform_get_resource(struct platform_=
device *dev,
>         return NULL;
>  }
>  EXPORT_SYMBOL_GPL(platform_get_resource);
> +#ifdef CONFIG_HAS_IOMEM
>
>  /**
>   * devm_platform_ioremap_resource - call devm_ioremap_resource() for a p=
latform
> @@ -87,7 +88,6 @@ EXPORT_SYMBOL_GPL(platform_get_resource);
>   *        resource management
>   * @index: resource index
>   */
> -#ifdef CONFIG_HAS_IOMEM
>  void __iomem *devm_platform_ioremap_resource(struct platform_device *pde=
v,
>                                              unsigned int index)
>  {
> --
> 2.22.0
>

And what is the purpose of that?

Bart