Re: [PATCH] iio: light: isl29018: Only declare ACPI table when ACPI is enabled

From: Guenter Roeck
Date: Fri May 19 2017 - 17:57:54 EST


On Fri, May 19, 2017 at 2:28 PM, Matthias Kaehlcke <mka@xxxxxxxxxxxx> wrote:
> This fixes the following warning when building with clang:
>
> drivers/iio/light/isl29018.c:808:36: error: variable
> 'isl29018_acpi_match' is not needed and will not be emitted
> [-Werror,-Wunneeded-internal-declaration]
>
> Signed-off-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx>

Reviewed-by: Guenter Roeck <groeck@xxxxxxxxxxxx>

> ---
> drivers/iio/light/isl29018.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/iio/light/isl29018.c b/drivers/iio/light/isl29018.c
> index 917dd8b43e72..61f5924b472d 100644
> --- a/drivers/iio/light/isl29018.c
> +++ b/drivers/iio/light/isl29018.c
> @@ -807,6 +807,7 @@ static SIMPLE_DEV_PM_OPS(isl29018_pm_ops, isl29018_suspend, isl29018_resume);
> #define ISL29018_PM_OPS NULL
> #endif
>
> +#ifdef CONFIG_ACPI
> static const struct acpi_device_id isl29018_acpi_match[] = {
> {"ISL29018", isl29018},
> {"ISL29023", isl29023},
> @@ -814,6 +815,7 @@ static const struct acpi_device_id isl29018_acpi_match[] = {
> {},
> };
> MODULE_DEVICE_TABLE(acpi, isl29018_acpi_match);
> +#endif
>
> static const struct i2c_device_id isl29018_id[] = {
> {"isl29018", isl29018},
> --
> 2.13.0.303.g4ebf302169-goog
>