linux-kernel - Re: [PATCHv6+ 01/13] of: introduce of_property_for_earch_phandle_with

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Date:	Wed, 11 Dec 2013 13:27:28 +0000
From:	Grant Likely <grant.likely@...aro.org>
To:	Hiroshi Doyu <hdoyu@...dia.com>
Cc:	"thierry.reding@...il.com" <thierry.reding@...il.com>,
	"swarren@...dotorg.org" <swarren@...dotorg.org>,
	"robherring2@...il.com" <robherring2@...il.com>,
	"joro@...tes.org" <joro@...tes.org>,
	Stephen Warren <swarren@...dia.com>,
	"will.deacon@....com" <will.deacon@....com>,
	Hiroshi Doyu <hdoyu@...dia.com>,
	"mark.rutland@....com" <mark.rutland@....com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"lorenzo.pieralisi@....com" <lorenzo.pieralisi@....com>,
	"galak@...eaurora.org" <galak@...eaurora.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCHv6+ 01/13] of: introduce of_property_for_earch_phandle_with_args()

On Thu, 21 Nov 2013 18:17:20 +0100, Hiroshi Doyu <hdoyu@...dia.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@...dia.com>
Acked-by: Grant Likely <grant.likely@...aro.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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