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SubjectRe: [PATCH] iio: gyro: bmg160: only set power state if PM_RUNTIME is defined
Irina Tirdea schrieb:
> When CONFIG_PM_RUNTIME is not defined and bmg160 tries to power
> off the device, bmg160_set_power_state will call pm_runtime_put_autosuspend,
> which is not implemented (wil return -ENOSYS).
>
> Only call bmg160_set_power_state when CONFIG_PM_RUNTIME is defined.
Unless there is anything more to come, what about putting the #ifdef into first line inside bmg160_set_power_state() and just an #endif before the return 0 at the end? Saves 5 lines.
> Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
> ---
> drivers/iio/gyro/bmg160.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/drivers/iio/gyro/bmg160.c b/drivers/iio/gyro/bmg160.c
> index 7524698..e41d6b5 100644
> --- a/drivers/iio/gyro/bmg160.c
> +++ b/drivers/iio/gyro/bmg160.c
> @@ -235,6 +235,7 @@ static int bmg160_chip_init(struct bmg160_data *data)
> return 0;
> }
>
> +#ifdef CONFIG_PM_RUNTIME
> static int bmg160_set_power_state(struct bmg160_data *data, bool on)
> {
> int ret;
> @@ -254,6 +255,12 @@ static int bmg160_set_power_state(struct bmg160_data *data, bool on)
>
> return 0;
> }
> +#else
> +static int bmg160_set_power_state(struct bmg160_data *data, bool on)
> +{
> + return 0;
> +}
> +#endif
>
> static int bmg160_setup_any_motion_interrupt(struct bmg160_data *data,
> bool status)



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