From: Anton Vorontsov <avorontsov@ru.mvista.com>
Date: Fri, 5 Dec 2008 08:15:39 +0000 (+0000)
Subject: of: Minor simplification for the of_parse_phandles_with_args()
X-Git-Tag: v2.6.29-rc1~574^2~50
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=c1bb7c6d04ebdf48998649100c5267a9139debf5;p=linux-2.6-omap-h63xx.git

of: Minor simplification for the of_parse_phandles_with_args()

By using 'list++' in the beginning we can simplify the code a
little bit.

Suggested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
---

diff --git a/drivers/of/base.c b/drivers/of/base.c
index 4f884a358a7..cf04d4dd4a5 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -547,14 +547,12 @@ int of_parse_phandles_with_args(struct device_node *np, const char *list_name,
 		const u32 *cells;
 		const phandle *phandle;
 
-		phandle = list;
-		args = list + 1;
+		phandle = list++;
+		args = list;
 
 		/* one cell hole in the list = <>; */
-		if (!*phandle) {
-			list++;
+		if (!*phandle)
 			goto next;
-		}
 
 		node = of_find_node_by_phandle(*phandle);
 		if (!node) {
@@ -570,8 +568,7 @@ int of_parse_phandles_with_args(struct device_node *np, const char *list_name,
 			goto err1;
 		}
 
-		/* Next phandle is at offset of one phandle cell + #cells */
-		list += 1 + *cells;
+		list += *cells;
 		if (list > list_end) {
 			pr_debug("%s: insufficient arguments length\n",
 				 np->full_name);