Re: [PATCH] iio: adc: ti-ads1015: use device_for_each_child_node_scoped()

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On Sat, 27 Apr 2024 09:10:55 -0300
Lincoln Yuji <lincolnyuji@xxxxxx> wrote:

> This loop definition removes the need for manual releasing of the
> fwnode_handle in early exit paths (here an error path) allow
> simplification of the code and reducing the chance of future
> modifications not releasing fwnode_handle correctly.
> 
> Co-developed-by: Luiza Soezima <lbrsoezima@xxxxxx>
> Signed-off-by: Luiza Soezima <lbrsoezima@xxxxxx>
> Co-developed-by: Sabrina Araujo <sabrinaaraujo@xxxxxx>
> Signed-off-by: Sabrina Araujo <sabrinaaraujo@xxxxxx>
> Signed-off-by: Lincoln Yuji <lincolnyuji@xxxxxx>
> ---
I think this is a response to Marcelo's review of v1.
If so, a couple of process things you have gotten wrong.
1) You should pick up tags, assuming you've made the changes
suggested.   So should include
Reviewed-by: Marcelo Schmitt <marcelo.schmitt1@xxxxxxxxx>
in the block above.
2) It should be clearly marked as v2. Pass -v2 to git format
patch is the easiest way to do this, or edit the patch title
so it says something like
[PATCH V2] ...

Otherwise the patch looks fine. 
Please do a v3, correcting the above.

Thanks,

Jonathan

>  drivers/iio/adc/ti-ads1015.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/drivers/iio/adc/ti-ads1015.c b/drivers/iio/adc/ti-ads1015.c
> index 6ae967e4d..d3363d02f 100644
> --- a/drivers/iio/adc/ti-ads1015.c
> +++ b/drivers/iio/adc/ti-ads1015.c
> @@ -902,10 +902,9 @@ static int ads1015_client_get_channels_config(struct i2c_client *client)
>  	struct iio_dev *indio_dev = i2c_get_clientdata(client);
>  	struct ads1015_data *data = iio_priv(indio_dev);
>  	struct device *dev = &client->dev;
> -	struct fwnode_handle *node;
>  	int i = -1;
>  
> -	device_for_each_child_node(dev, node) {
> +	device_for_each_child_node_scoped(dev, node) {
>  		u32 pval;
>  		unsigned int channel;
>  		unsigned int pga = ADS1015_DEFAULT_PGA;
> @@ -927,7 +926,6 @@ static int ads1015_client_get_channels_config(struct i2c_client *client)
>  			pga = pval;
>  			if (pga > 5) {
>  				dev_err(dev, "invalid gain on %pfw\n", node);
> -				fwnode_handle_put(node);
>  				return -EINVAL;
>  			}
>  		}
> @@ -936,7 +934,6 @@ static int ads1015_client_get_channels_config(struct i2c_client *client)
>  			data_rate = pval;
>  			if (data_rate > 7) {
>  				dev_err(dev, "invalid data_rate on %pfw\n", node);
> -				fwnode_handle_put(node);
>  				return -EINVAL;
>  			}
>  		}





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