linux-kernel - Re: [PATCH v3] iio: mma8452: support either of the available interrupt pins

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Date:	Wed, 14 Oct 2015 17:12:32 +0200
From:	Lars-Peter Clausen <lars@...afoo.de>
To:	Martin Kepplinger <martink@...teo.de>, robh+dt@...nel.org,
	pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	jic23@...nel.org, knaack.h@....de, pmeerw@...erw.net,
	mfuzzey@...keon.com
CC:	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-iio@...r.kernel.org,
	Martin Kepplinger <martin.kepplinger@...obroma-systems.com>
Subject: Re: [PATCH v3] iio: mma8452: support either of the available interrupt
 pins

On 10/14/2015 03:15 PM, Martin Kepplinger wrote:
[...]
> +			if (irq1 > 0)
> +				client->irq = irq1;

You must not overwrite client->irq, that field is manged by the I2C core and
is supposed to be read only for device drivers.

> +			dev_info(&client->dev, "using interrupt line INT1\n");

This should probably be a dev_dbg()

> +		} else {
> +			client->irq = irq2;
> +			dev_info(&client->dev, "using interrupt line INT2\n");

Same here

> +		}
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