On 09/24/2013 12:50 PM, Bryan Wu wrote:
> Some drivers keep counting available child by themselves. So
> introduce a new simple API like of_get_child_count() but for
> available childs.
>
> Cc: Josh Wu <josh.wu@xxxxxxxxx>
> Signed-off-by: Bryan Wu <cooloney@xxxxxxxxx>
> ---
Acked-by: Rob Herring <rob.herring@xxxxxxxxxxx>
I assume you have some user and will take this dependency thru that tree?
> include/linux/of.h | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
>
> diff --git a/include/linux/of.h b/include/linux/of.h
> index f95aee3..54c2560 100644
> --- a/include/linux/of.h
> +++ b/include/linux/of.h
> @@ -226,6 +226,17 @@ static inline int of_get_child_count(const struct device_node *np)
> return num;
> }
>
> +static inline int of_get_available_child_count(const struct device_node *np)
> +{
> + struct device_node *child;
> + int num = 0;
> +
> + for_each_available_child_of_node(np, child)
> + num++;
> +
> + return num;
> +}
> +
> extern struct device_node *of_find_node_with_property(
> struct device_node *from, const char *prop_name);
> #define for_each_node_with_property(dn, prop_name) \
> @@ -376,6 +387,11 @@ static inline int of_get_child_count(const struct device_node *np)
> return 0;
> }
>
> +static inline int of_get_available_child_count(const struct device_node *np)
> +{
> + return 0;
> +}
> +
> static inline int of_device_is_compatible(const struct device_node *device,
> const char *name)
> {
>
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