linux-kernel - Re: [PATCH] gpio: merrifield: Fix build err without CONFIG

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Date:   Thu, 4 Apr 2019 17:10:23 +0530
From:   Mukesh Ojha <mojha@...eaurora.org>
To:     Yue Haibing <yuehaibing@...wei.com>,
        andriy.shevchenko@...ux.intel.com, linus.walleij@...aro.org,
        bgolaszewski@...libre.com
Cc:     linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org
Subject: Re: [PATCH] gpio: merrifield: Fix build err without CONFIG_ACPI


On 4/4/2019 4:09 PM, Yue Haibing wrote:
> From: YueHaibing <yuehaibing@...wei.com>
>
> When building CONFIG_ACPI is not set
> gcc warn this:
>
> drivers/gpio/gpio-merrifield.c: In function mrfld_gpio_get_pinctrl_dev_name:
> drivers/gpio/gpio-merrifield.c:388:19: error: dereferencing pointer to incomplete type struct acpi_device
>     put_device(&adev->dev);
>                     ^
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Fixes:d00d2109c367 ("gpio: merrifield: Convert to use acpi_dev_get_first_match_dev()")
> Signed-off-by: YueHaibing <yuehaibing@...wei.com>
Reviewed-by: Mukesh Ojha <mojha@...eaurora.org>

Cheers,
-Mukesh
> ---
>   drivers/gpio/gpio-merrifield.c | 9 +++++----
>   1 file changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpio/gpio-merrifield.c b/drivers/gpio/gpio-merrifield.c
> index 2383dc7..78ac32f 100644
> --- a/drivers/gpio/gpio-merrifield.c
> +++ b/drivers/gpio/gpio-merrifield.c
> @@ -379,17 +379,18 @@ static void mrfld_irq_init_hw(struct mrfld_gpio *priv)
>   
>   static const char *mrfld_gpio_get_pinctrl_dev_name(struct mrfld_gpio *priv)
>   {
> -	struct acpi_device *adev;
>   	const char *name;
> +#ifdef CONFIG_ACPI
> +	struct acpi_device *adev;
>   
>   	adev = acpi_dev_get_first_match_dev("INTC1002", NULL, -1);
>   	if (adev) {
>   		name = devm_kstrdup(priv->dev, acpi_dev_name(adev), GFP_KERNEL);
>   		put_device(&adev->dev);
> -	} else {
> -		name = "pinctrl-merrifield";
>   	}
> -
> +#else
> +	name = "pinctrl-merrifield";
> +#endif
>   	return name;
>   }
>