linux-kernel - Re: [PATCH V3 3/3] pwm: pxa: add device tree support

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Message-ID: <20130424071157.GD1429@avionic-0098.mockup.avionic-design.de>
Date:	Wed, 24 Apr 2013 09:11:57 +0200
From:	Thierry Reding <thierry.reding@...onic-design.de>
To:	Chao Xie <chao.xie@...vell.com>
Cc:	linux-kernel@...r.kernel.org, xiechao.mail@...il.com
Subject: Re: [PATCH V3 3/3] pwm: pxa: add device tree support

On Tue, Apr 23, 2013 at 10:23:54PM -0400, Chao Xie wrote:
[...]
> @@ -124,9 +128,52 @@ static struct pwm_ops pxa_pwm_ops = {
>  	.owner = THIS_MODULE,
>  };
>  
> -static int pwm_probe(struct platform_device *pdev)
> +static struct of_device_id pxa_pwm_of_match[] = {

static const, please.

> +#ifdef CONFIG_OF
> +static int pxa_pwm_parse_data(struct platform_device *pdev,
> +				struct pxa_pwm_chip *pwm)
> +{
> +	const struct of_device_id *of_id =
> +			of_match_device(pxa_pwm_of_match, &pdev->dev);
> +	unsigned int npwm;
> +
> +	if (!of_id)
> +		return -ENODEV;
> +
> +	npwm = (unsigned int)(of_id->data);

The parentheses around of_id->data are unnecessary.

Thierry

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