linux-kernel - Re: [RFCv4 2/7] mfd: twl4030-madc: Add DT support and convert to IIO framework

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Message-ID: <20140227082309.GT9195@lee--X1>
Date:	Thu, 27 Feb 2014 08:23:09 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	Sebastian Reichel <sre@...ian.org>
Cc:	Sebastian Reichel <sre@...g0.de>,
	Marek Belisko <marek@...delico.com>,
	Jonathan Cameron <jic23@...nel.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Grant Likely <grant.likely@...aro.org>,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	linux-iio@...r.kernel.org
Subject: Re: [RFCv4 2/7] mfd: twl4030-madc: Add DT support and convert to IIO
 framework

On Wed, 26 Feb 2014, Sebastian Reichel wrote:

> This converts twl4030-madc module to use the Industrial IO ADC
> framework and adds device tree support.
> 
> Signed-off-by: Sebastian Reichel <sre@...ian.org>
> ---
>  drivers/mfd/twl4030-madc.c | 127 +++++++++++++++++++++++++++++++++++++++++----
>  1 file changed, 118 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/mfd/twl4030-madc.c b/drivers/mfd/twl4030-madc.c
> index 5458561..37cb3ad 100644
> --- a/drivers/mfd/twl4030-madc.c
> +++ b/drivers/mfd/twl4030-madc.c

<snip>

> -	if (!pdata) {
> +	if (!pdata && !np) {
>  		dev_err(&pdev->dev, "platform_data not available\n");

                                     and Device Tree node ...

<snip>

> +	iio_dev->channels = twl4030_madc_iio_channels;
> +	iio_dev->num_channels = 16;

ARRAY_SIZE()

<snip>

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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