Re: [PATCH v2] iio: gyro: bmg160: only set power state if PM_RUNTIME is defined

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Irina Tirdea schrieb, Am 08.09.2014 16:05:
> 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.
> 
> Signed-off-by: Irina Tirdea <irina.tirdea@xxxxxxxxx>
Acked-by: Hartmut Knaack <knaack.h@xxxxxx>
> ---
> 
> Changes in v2:
>  - moved ifdef CONFIG_PM_RUNTIME inside bmg160_set_power_state as
> Hartmut Knaack suggested
> 
>  drivers/iio/gyro/bmg160.c |    2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/iio/gyro/bmg160.c b/drivers/iio/gyro/bmg160.c
> index 7524698..1f967e0d 100644
> --- a/drivers/iio/gyro/bmg160.c
> +++ b/drivers/iio/gyro/bmg160.c
> @@ -237,6 +237,7 @@ static int bmg160_chip_init(struct bmg160_data *data)
>  
>  static int bmg160_set_power_state(struct bmg160_data *data, bool on)
>  {
> +#ifdef CONFIG_PM_RUNTIME
>  	int ret;
>  
>  	if (on)
> @@ -251,6 +252,7 @@ static int bmg160_set_power_state(struct bmg160_data *data, bool on)
>  			"Failed: bmg160_set_power_state for %d\n", on);
>  		return ret;
>  	}
> +#endif
>  
>  	return 0;
>  }
> 

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