[PATCH v2] mfd: axp20x-i2c: Tell the compiler that ACPI functions may not be used

[Chen-Yu Tsai]

On Wed, Jul 1, 2020 at 3:00 PM Lee Jones <lee.jones at linaro.org> wrote:
>
> ... as is the case when !CONFIG_ACPI.
>
> This squashes the current W=1 kernel builds warning:
>
>  drivers/mfd/axp20x-i2c.c:82:36: warning: ‘axp20x_i2c_acpi_match’ defined but not used [-Wunused-const-variable=]
>
> Cc: Chen-Yu Tsai <wens at csie.org>
> Cc: Carlo Caione <carlo at caione.org>
> Signed-off-by: Lee Jones <lee.jones at linaro.org>

Acked-by: Chen-Yu Tsai <wens at csie.org>

>
> diff --git a/drivers/mfd/axp20x-i2c.c b/drivers/mfd/axp20x-i2c.c
> index 14f9df74f855c..7d08c06de7afc 100644
> --- a/drivers/mfd/axp20x-i2c.c
> +++ b/drivers/mfd/axp20x-i2c.c
> @@ -79,7 +79,7 @@ static const struct i2c_device_id axp20x_i2c_id[] = {
>  };
>  MODULE_DEVICE_TABLE(i2c, axp20x_i2c_id);
>
> -static const struct acpi_device_id axp20x_i2c_acpi_match[] = {
> +static const struct acpi_device_id __maybe_unused axp20x_i2c_acpi_match[] = {
>         {
>                 .id = "INT33F4",
>                 .driver_data = AXP288_ID,