Re: [PATCH v7 1/5] leds: populate the device's of_node when possible

[Jacek Anaszewski]

Hi Jean,

Thank you for rebasing the set

On 9/18/19 4:57 PM, Jean-Jacques Hiblot wrote:
> If initialization data is available and its fwnode is actually a of_node,
> store this information in the led device's structure. This will allow the
> device to use or provide OF-based API such (devm_xxx).
> 
> Signed-off-by: Jean-Jacques Hiblot <jjhiblot@xxxxxx>
> ---
>  drivers/leds/led-class.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
> index 647b1263c579..c2167b66b61f 100644
> --- a/drivers/leds/led-class.c
> +++ b/drivers/leds/led-class.c
> @@ -276,8 +276,11 @@ int led_classdev_register_ext(struct device *parent,
>  		mutex_unlock(&led_cdev->led_access);
>  		return PTR_ERR(led_cdev->dev);
>  	}
> -	if (init_data && init_data->fwnode)
> +	if (init_data && init_data->fwnode) {
>  		led_cdev->dev->fwnode = init_data->fwnode;
> +		if (is_of_node(init_data->fwnode))
> +			led_cdev->dev->of_node = to_of_node(init_data->fwnode);

It would be step backwards. You can do the conversion in the place of
use i.e. in devm_led_get().

> +	}
>  
>  	if (ret)
>  		dev_warn(parent, "Led %s renamed to %s due to name collision",
> 

-- 
Best regards,
Jacek Anaszewski