[U-Boot] [PATCH] core: device: support multiple power domains for one device

[Peng Fan]

> Subject: [PATCH] core: device: support multiple power domains for one device

Ping..

Thanks,
Peng.
> 
> When device has multiple power domains, power_domain_get could not able
> to support that. So let's iterate each power domain and enable it.
> 
> Signed-off-by: Peng Fan <peng.fan at nxp.com>
> ---
>  drivers/core/device.c | 14 +++++++++++---
>  1 file changed, 11 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/core/device.c b/drivers/core/device.c index
> 474c1642ee..67fcff87fa 100644
> --- a/drivers/core/device.c
> +++ b/drivers/core/device.c
> @@ -311,7 +311,7 @@ int device_probe(struct udevice *dev)
>  	const struct driver *drv;
>  	int size = 0;
>  	int ret;
> -	int seq;
> +	int seq, i, count;
> 
>  	if (!dev)
>  		return -EINVAL;
> @@ -390,8 +390,16 @@ int device_probe(struct udevice *dev)
> 
>  	if (CONFIG_IS_ENABLED(POWER_DOMAIN) && dev->parent &&
>  	    device_get_uclass_id(dev) != UCLASS_POWER_DOMAIN) {
> -		if (!power_domain_get(dev, &pd))
> -			power_domain_on(&pd);
> +		count = dev_count_phandle_with_args(dev, "power-domains",
> +						    "#power-domain-cells");
> +		for (i = 0; i < count; i++) {
> +			ret = power_domain_get_by_index(dev, &pd, i);
> +			if (ret)
> +				goto fail;
> +			ret = power_domain_on(&pd);
> +			if (ret)
> +				goto fail;
> +		}
>  	}
> 
>  	ret = uclass_pre_probe_device(dev);
> --
> 2.16.4