linux-kernel - Re: [PATCH] dt: add empty of_get

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Message-ID: <4E3EA340.2010100@gmail.com>
Date:	Sun, 07 Aug 2011 09:37:52 -0500
From:	Rob Herring <robherring2@...il.com>
To:	Stephen Warren <swarren@...dia.com>
CC:	Grant Likely <grant.likely@...retlab.ca>,
	devicetree-discuss@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	Jean Delvare <khali@...ux-fr.org>, linux-i2c@...r.kernel.org,
	Colin Cross <ccross@...roid.com>, linux-tegra@...r.kernel.org,
	Axel Lin <axel.lin@...il.com>, Ben Dooks <ben-i2c@...ff.org>
Subject: Re: [PATCH] dt: add empty of_get_property for non-dt

On 08/05/2011 05:50 PM, Stephen Warren wrote:
> The patch adds empty function of_get_property for non-dt build, so that
> drivers migrating to dt can save some '#ifdef CONFIG_OF'.
> 
> This also fixes the current Tegra compile problem in linux-next.
> 
You could just use of_property_read_u32 in the driver. It already has
empty version and will simplify the driver code some.

Rob

> Signed-off-by: Stephen Warren <swarren@...dia.com>
> ---
>  include/linux/of.h |    7 +++++++
>  1 files changed, 7 insertions(+), 0 deletions(-)
> 
> diff --git a/include/linux/of.h b/include/linux/of.h
> index 0085bb0..9180dc5 100644
> --- a/include/linux/of.h
> +++ b/include/linux/of.h
> @@ -256,6 +256,13 @@ static inline int of_property_read_string(struct device_node *np,
>  	return -ENOSYS;
>  }
>  
> +static inline const void *of_get_property(const struct device_node *node,
> +				const char *name,
> +				int *lenp)
> +{
> +	return NULL;
> +}
> +
>  #endif /* CONFIG_OF */
>  
>  static inline int of_property_read_u32(const struct device_node *np,

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