Hi Mark,

Thanks for the patch.

On Thursday 05 December 2013 00:31:55 Mark Brown wrote:
> From: Mark Brown <[email protected]>
> 
> Since essentially all GPIO controlled regulators are voltage regulators
> make the regulator-type property optional, defaulting to voltage.
> 
> Signed-off-by: Mark Brown <[email protected]>
> ---
> 
> Compile tested only.
> 
>  drivers/regulator/gpio-regulator.c | 14 ++++++--------
>  1 file changed, 6 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/regulator/gpio-regulator.c
> b/drivers/regulator/gpio-regulator.c index 234960dc9607..13ec94d984ca
> 100644
> --- a/drivers/regulator/gpio-regulator.c
> +++ b/drivers/regulator/gpio-regulator.c
> @@ -203,17 +203,15 @@ of_get_gpio_regulator_config(struct device *dev,
> struct device_node *np) }
>       config->nr_states = i;
> 
> +     config->type = REGULATOR_VOLTAGE;
>       ret = of_property_read_string(np, "regulator-type", &regtype);
> -     if (ret < 0) {
> -             dev_err(dev, "Missing 'regulator-type' property\n");
> -             return ERR_PTR(-EINVAL);
> +     if (ret >= 0) {
> +             if (!strncmp("voltage", regtype, 7))
> +                     config->type = REGULATOR_VOLTAGE;
> +             else if (!strncmp("current", regtype, 7))
> +                     config->type = REGULATOR_CURRENT;

Should we warn or error in case of an unsupported value ?

>       }
> 
> -     if (!strncmp("voltage", regtype, 7))
> -             config->type = REGULATOR_VOLTAGE;
> -     else if (!strncmp("current", regtype, 7))
> -             config->type = REGULATOR_CURRENT;
> -
>       return config;
>  }
-- 
Regards,

Laurent Pinchart

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