On Mon, 27 Jun 2016, Stefan Agner wrote:

> Only register power off if the PMIC is defined as system power
> controller (see Documentation/devicetree/bindings/power/
> power-controller.txt).
> 
> Signed-off-by: Stefan Agner <[email protected]>
> Reviewed-by: Marcel Ziswiler <[email protected]>
> ---
>  drivers/mfd/rn5t618.c | 10 +++++++---
>  1 file changed, 7 insertions(+), 3 deletions(-)

For my own reference:
  Acked-by: Lee Jones <[email protected]>
  
> diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c
> index c86160d..1831740 100644
> --- a/drivers/mfd/rn5t618.c
> +++ b/drivers/mfd/rn5t618.c
> @@ -102,9 +102,13 @@ static int rn5t618_i2c_probe(struct i2c_client *i2c,
>               return ret;
>       }
>  
> -     if (!pm_power_off) {
> -             rn5t618_pm_power_off = priv;
> -             pm_power_off = rn5t618_power_off;
> +     if (of_device_is_system_power_controller(i2c->dev.of_node)) {
> +             if (!pm_power_off) {
> +                     rn5t618_pm_power_off = priv;
> +                     pm_power_off = rn5t618_power_off;
> +             } else {
> +                     dev_warn(&i2c->dev, "Poweroff callback already 
> assigned\n");
> +             }
>       }
>  
>       return 0;

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog

Reply via email to