linux-kernel - Re: [PATCH 3/4] Input: ad7879 - try parsing properties on non-DT systems

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Date:   Wed, 1 Mar 2017 08:38:41 +0100
From:   Michael Hennerich <michael.hennerich@...log.com>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
CC:     "linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/4] Input: ad7879 - try parsing properties on non-DT
 systems

On 28.02.2017 23:08, Dmitry Torokhov wrote:
> We have switched the driver to use generic device properties API, so there
> is no need to check for presence of DT node before trying parse properties.
>
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>

Acked-by: Michael Hennerich <michael.hennerich@...log.com>

> ---
>  drivers/input/touchscreen/ad7879.c | 7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/input/touchscreen/ad7879.c b/drivers/input/touchscreen/ad7879.c
> index 7118f611e222..c415614ada68 100644
> --- a/drivers/input/touchscreen/ad7879.c
> +++ b/drivers/input/touchscreen/ad7879.c
> @@ -560,11 +560,10 @@ int ad7879_probe(struct device *dev, struct regmap *regmap,
>  		ts->averaging = pdata->averaging;
>  		ts->pen_down_acc_interval = pdata->pen_down_acc_interval;
>  		ts->median = pdata->median;
> -	} else if (dev->of_node) {
> -		ad7879_parse_dt(dev, ts);
>  	} else {
> -		dev_err(dev, "No platform data\n");
> -		return -EINVAL;
> +		err = ad7879_parse_dt(dev, ts);
> +		if (err)
> +			return err;
>  	}
>
>  	input_dev = devm_input_allocate_device(dev);
>


-- 
Greetings,
Michael

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