Re: [PATCH v2] iio:dac:max517.c: Use devm_iio_device_register()

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On Mon, 15 Mar 2021 06:55:53 +0100
Lars-Peter Clausen <lars@xxxxxxxxxx> wrote:

> On 3/14/21 6:57 PM, Mugilraj Dhavachelvan wrote:
> > Use devm_iio_device_register() to avoid remove function and
> > drop explicit call to iio_device_unregister().
> >
> > Signed-off-by: Mugilraj Dhavachelvan <dmugil2000@xxxxxxxxx>
> >
> > changes v1->v2:
> > 	-As sugested by Alexandru removed i2c_set_clientdata() because the stored
> > 	 data will be never used.  
This changelog belongs below the -- so that it doesn't get picked
up for the permanent log in by git am.  I fixed that up whilst applying.

Otherwise looks good.

Applied to the togreg branch of iio.git and pushed out as testing
to let the autobuilder bots like 0-day see if they can find anything
we missed.  That usually takes about a day and I need to fix up any
resulting issues before pushing this out as the non-rebasing togreg
branch on which pull requests are then based.

Thanks,

Jonathan

> 
> Hi,
> 
> This looks good!
> 
> Reviewed-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
> 
> One thing process wise. I know it is tempting to send version 2 as a 
> reply to version 1, but this way it is also easy for the messages to get 
> lost in longer threads. At least for the IIO mailinglist we have decided 
> that it is best to send new versions of a patch series as their own 
> threads so that they stand own and get noticed.
> 
> - Lars
> 
> > ---
> >   drivers/iio/dac/max517.c | 10 +---------
> >   1 file changed, 1 insertion(+), 9 deletions(-)
> >
> > diff --git a/drivers/iio/dac/max517.c b/drivers/iio/dac/max517.c
> > index 7e01838ef4d0..00f0062a0298 100644
> > --- a/drivers/iio/dac/max517.c
> > +++ b/drivers/iio/dac/max517.c
> > @@ -153,7 +153,6 @@ static int max517_probe(struct i2c_client *client,
> >   	if (!indio_dev)
> >   		return -ENOMEM;
> >   	data = iio_priv(indio_dev);
> > -	i2c_set_clientdata(client, indio_dev);
> >   	data->client = client;
> >   
> >   	/* establish that the iio_dev is a child of the i2c device */
> > @@ -189,13 +188,7 @@ static int max517_probe(struct i2c_client *client,
> >   			data->vref_mv[chan] = platform_data->vref_mv[chan];
> >   	}
> >   
> > -	return iio_device_register(indio_dev);
> > -}
> > -
> > -static int max517_remove(struct i2c_client *client)
> > -{
> > -	iio_device_unregister(i2c_get_clientdata(client));
> > -	return 0;
> > +	return devm_iio_device_register(&client->dev, indio_dev);
> >   }
> >   
> >   static const struct i2c_device_id max517_id[] = {
> > @@ -214,7 +207,6 @@ static struct i2c_driver max517_driver = {
> >   		.pm	= &max517_pm_ops,
> >   	},
> >   	.probe		= max517_probe,
> > -	.remove		= max517_remove,
> >   	.id_table	= max517_id,
> >   };
> >   module_i2c_driver(max517_driver);  
> 
> 




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