From: Stephen Warren <swarren@nvidia.com>
Date: Tue, 20 Nov 2012 23:12:20 +0000 (-0700)
Subject: of: introduce for_each_matching_node_and_match()
X-Git-Tag: omap-for-v3.8/fixes-for-merge-window-v4-signed~89^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=50c8af4cf98fd97d6779f244215154e4c89699c7;p=pandora-kernel.git

of: introduce for_each_matching_node_and_match()

The following pattern of code is tempting:

    for_each_matching_node(np, table) {
        match = of_match_node(table, np);

However, this results in iterating over table twice; the second time
inside of_match_node(). The implementation of for_each_matching_node()
already found the match, so this is redundant. Invent new function
of_find_matching_node_and_match() and macro
for_each_matching_node_and_match() to remove the double iteration,
thus transforming the above code to:

    for_each_matching_node_and_match(np, table, &match)

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
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