Re: [PATCH] mmc: sdio: Fix PM_SLEEP related build warnings

[Rafael J. Wysocki]

On Thursday, August 09, 2012, Thierry Reding wrote:
> Power management callbacks defined by SIMPLE_DEV_PM_OPS are only used if
> the PM_SLEEP Kconfig symbol has been defined. If not, the compiler will
> complain about them being unused. However, since the callback for this
> driver doesn't do anything it can just as well be dropped.
> 
> Signed-off-by: Thierry Reding <thierry.reding@xxxxxxxxxxxxxxxxx>

Acked-by: Rafael J. Wysocki <rjw@xxxxxxx>

> ---
>  drivers/mmc/core/sdio_bus.c | 7 -------
>  1 file changed, 7 deletions(-)
> 
> diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c
> index 236842e..6bf6879 100644
> --- a/drivers/mmc/core/sdio_bus.c
> +++ b/drivers/mmc/core/sdio_bus.c
> @@ -193,14 +193,7 @@ static int sdio_bus_remove(struct device *dev)
>  }
>  
>  #ifdef CONFIG_PM
> -
> -static int pm_no_operation(struct device *dev)
> -{
> -	return 0;
> -}
> -
>  static const struct dev_pm_ops sdio_bus_pm_ops = {
> -	SET_SYSTEM_SLEEP_PM_OPS(pm_no_operation, pm_no_operation)
>  	SET_RUNTIME_PM_OPS(
>  		pm_generic_runtime_suspend,
>  		pm_generic_runtime_resume,
> 

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