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

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Date:	Thu, 21 Nov 2013 15:40:37 +0200
From:	Hiroshi Doyu <hdoyu@...dia.com>
To:	<swarren@...dia.com>, <will.deacon@....com>,
	<grant.likely@...aro.org>, <thierry.reding@...il.com>,
	<swarren@...dotorg.org>, <robherring2@...il.com>, <joro@...tes.org>
CC:	Hiroshi Doyu <hdoyu@...dia.com>, <mark.rutland@....com>,
	<devicetree@...r.kernel.org>, <iommu@...ts.linux-foundation.org>,
	<linux-tegra@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<lorenzo.pieralisi@....com>, <galak@...eaurora.org>,
	<linux-kernel@...r.kernel.org>
Subject: [PATCHv6 01/13] of: introduce of_property_for_earch_phandle_with_args()

The following pattern of code is tempting to add a new member for
of_property_for_each_*() family as an idiom.

  for (i = 0;
      !of_parse_phandle_with_args(np, list, cells, i, args); i++)
		<do something with "args">;

Signed-off-by: Hiroshi Doyu <hdoyu@...dia.com>
---
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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