[PATCH v4] of: introduce helper to manage boolean

[Grant Likely]

On Tue, 13 Mar 2012 18:48:23 +0100, Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com> wrote:
> of_property_read_bool
> 
> Search for a property in a device node.
> Returns true if the property exist false otherwise.
> 
> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
> Acked-by: Rob Herring <rob.herring at calxeda.com>
> Acked-by: Arnd Bergmann <arnd at arndb.de>

One comment below; but otherwise:

Acked-by: Grant Likely <grant.likely at secretlab.ca>

Feel free to merge via whatever tree needs it.

g.

> Cc: Grant Likely <grant.likely at secretlab.ca>
> ---
> v4:
> 
> 	send the right version
> 
> 	include Grant comment
> 
> 	Grant can I get the go please?
> 
> Best Regards,
> J.
>  include/linux/of.h |   16 ++++++++++++++++
>  1 files changed, 16 insertions(+), 0 deletions(-)
> 
> diff --git a/include/linux/of.h b/include/linux/of.h
> index a75a831..a992cdf 100644
> --- a/include/linux/of.h
> +++ b/include/linux/of.h
> @@ -342,6 +342,22 @@ static inline int of_machine_is_compatible(const char *compat)
>  #define of_match_node(_matches, _node)	NULL
>  #endif /* CONFIG_OF */
>  
> +/**
> + * of_property_read_bool - Findfrom a property
> + * @np:		device node from which the property value is to be read.
> + * @propname:	name of the property to be searched.
> + *
> + * Search for a property in a device node.
> + * Returns true if the property exist false otherwise.
> + */
> +static inline bool of_property_read_bool(const struct device_node *np,
> +					 const char *propname)
> +{
> +	struct property *prop = of_find_property(np, propname, NULL);
> +
> +	return prop ? true : false;
> +}

Could simply be:
{
	return of_find_property(...) != NULL;
}


> +
>  static inline int of_property_read_u32(const struct device_node *np,
>  				       const char *propname,
>  				       u32 *out_value)
> -- 
> 1.7.7
> 

-- 
Grant Likely, B.Sc, P.Eng.
Secret Lab Technologies,Ltd.