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From:   Andy Shevchenko <andy.shevchenko@gmail.com>
Date:   Thu, 21 Feb 2019 21:55:48 +0200
Message-ID: <CAHp75VfKq5rkLUzW3HL8+a0wmaqGz7nz09Ki0nc0TxQDJb=9DA@mail.gmail.com>
Subject: Re: [PATCH] drivers: depend on HAS_IOMEM for devm_platform_ioremap_resource()
To:     Bartosz Golaszewski <brgl@bgdev.pl>
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        "Rafael J . Wysocki" <rafael@kernel.org>,
        Keerthy <j-keerthy@ti.com>,
        Linus Walleij <linus.walleij@linaro.org>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
        Bartosz Golaszewski <bgolaszewski@baylibre.com>
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On Thu, Feb 21, 2019 at 6:27 PM Bartosz Golaszewski <brgl@bgdev.pl> wrote:
>
> From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
>
> We only build devm_ioremap_resource() if HAS_IOMEM is selected, so this
> dependency must cascade down to devm_platform_ioremap_resource().

> +#ifdef CONFIG_HAS_IOMEM
>  void __iomem *devm_platform_ioremap_resource(struct platform_device *pdev,
>                                              unsigned int index)
>  {
> @@ -96,6 +97,7 @@ void __iomem *devm_platform_ioremap_resource(struct platform_device *pdev,
>         return devm_ioremap_resource(&pdev->dev, res);
>  }
>  EXPORT_SYMBOL_GPL(devm_platform_ioremap_resource);
> +#endif /* CONFIG_HAS_IOMEM */

What about declaration in *.h?

Perhaps you may just do this inside the function?

-- 
With Best Regards,
Andy Shevchenko