linux-kernel - Re: [PATCH v4 3/3] iio: magnetometer: add ti tmag5273 driver

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Date:   Tue, 29 Nov 2022 18:39:35 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Gerald Loacker <gerald.loacker@...fvision.net>
Cc:     linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Jakob Hauser <jahau@...ketmail.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Nikita Yushchenko <nikita.yoush@...entembedded.com>,
        Michael Riesch <michael.riesch@...fvision.net>
Subject: Re: [PATCH v4 3/3] iio: magnetometer: add ti tmag5273 driver

On Tue, Nov 29, 2022 at 06:37:42PM +0200, Andy Shevchenko wrote:
> On Tue, Nov 29, 2022 at 07:45:40AM +0100, Gerald Loacker wrote:

...

> > +	ret = match_string(tmag5273_angle_names,
> > +			   ARRAY_SIZE(tmag5273_angle_names), str);
> > +	if (ret < 0)
> > +		dev_warn(dev, "unexpected read angle-measurement property: %s\n", str);
> 
> 		dev_warn(dev, "unexpected value in angle-measurement property: %s\n", str);
> 
> ?
> 
> > +	else
> > +		data->angle_measurement = ret;

Actually remembering Rob's statement that Linux should not validate device
tree, this can be written rather as:

	ret = match_string(tmag5273_angle_names,
			   ARRAY_SIZE(tmag5273_angle_names), str);
	if (ret >= 0)
		data->angle_measurement = ret;

-- 
With Best Regards,
Andy Shevchenko