Re: [PATCH v3 5/7] iio: accel: kionix-kx022a: Refactor driver and add chip_info structure

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Hi Andi,

Thank you for the review.

On Tue, Apr 25, 2023 at 05:57:34PM +0200, Andi Shyti wrote:
> Hi Mehdi,
> 
> On Tue, Apr 25, 2023 at 12:22:25AM +0200, Mehdi Djait wrote:
> > Add the chip_info structure to the driver's private data to hold all
> > the device specific infos.
> > Refactor the kx022a driver implementation to make it more generic and
> > extensible.
> 
> Could you please split this in different patches? Add id in one
> patch and refactor in a different patch. Please, also the
> refactorings need to be split.
> 
> I see here that this is a general code cleanup, plus some other
> stuff.

Looking at the diff and considering the comments from Jonathan in the
previous versions, the only thing that can separated from this patch
would be the changes related to:
-#define KX022A_ACCEL_CHAN(axis, index)				\
+#define KX022A_ACCEL_CHAN(axis, reg, index)			\

> 
> [...]
> 
> > @@ -22,22 +23,28 @@ static int kx022a_spi_probe(struct spi_device *spi)
> >  		return -EINVAL;
> >  	}
> >  
> > -	regmap = devm_regmap_init_spi(spi, &kx022a_regmap);
> > +	chip_info = device_get_match_data(&spi->dev);
> > +	if (!chip_info) {
> > +		const struct spi_device_id *id = spi_get_device_id(spi);
> > +		chip_info = (const struct kx022a_chip_info *)id->driver_data;
> 
> you don't need the cast here... if you don't find it messy, I
> wouldn't mind this form... some hate it, I find it easier to
> read:
> 
> 	chip_info = spi_get_device_id(spi)->driver_data;
> 
> your choice.

I don't really have any strong opinion about this other than keeping the
same style used in iio drivers

Again thank you for the review

--
Kind Regards
Mehdi Djait




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