[PATCHv6+ 01/13] of: introduce of_property_for_earch_phandle_with_args()
Grant Likely
grant.likely at linaro.org
Wed Dec 11 08:27:28 EST 2013
On Thu, 21 Nov 2013 18:17:20 +0100, Hiroshi Doyu <hdoyu at nvidia.com> wrote:
> Iterating over a property containing a list of phandles with arguments
> is a common operation for device drivers. This patch adds a new
> of_property_for_each_phandle_with_args() macro to make the iteration
> simpler.
>
> Signed-off-by: Hiroshi Doyu <hdoyu at nvidia.com>
Acked-by: Grant Likely <grant.likely at linaro.org>
This patch can be merged with the rest of the series.
g.
> ---
> v6+:
> Use the description, which Grant Likely proposed, to be full enough
> that a future reader can figure out why a patch was written.
> http://lists.linuxfoundation.org/pipermail/iommu/2013-November/007062.html
>
> v5:
> New patch for v5.
> ---
> include/linux/of.h | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/include/linux/of.h b/include/linux/of.h
> index 276c546..131fef5 100644
> --- a/include/linux/of.h
> +++ b/include/linux/of.h
> @@ -613,6 +613,9 @@ static inline int of_property_read_u32(const struct device_node *np,
> s; \
> s = of_prop_next_string(prop, s))
>
> +#define of_property_for_each_phandle_with_args(np, list, cells, i, args) \
> + for (i = 0; !of_parse_phandle_with_args(np, list, cells, i, args); i++)
> +
> #if defined(CONFIG_PROC_FS) && defined(CONFIG_PROC_DEVICETREE)
> extern void proc_device_tree_add_node(struct device_node *, struct proc_dir_entry *);
> extern void proc_device_tree_add_prop(struct proc_dir_entry *pde, struct property *prop);
> --
> 1.8.1.5
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