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authorCharles Keepax <ckeepax@opensource.wolfsonmicro.com>2014-04-03 15:32:16 +0100
committerMark Brown <broonie@linaro.org>2014-04-14 17:01:24 +0100
commit3764806440149ea9024dff039497d1e45d6ed027 (patch)
treea78aca50db0ac1495e1257b1489ea94a41460e9d /drivers/regulator
parentbd0dda744cdfb93a1907091c4540764593a28fa2 (diff)
downloadop-kernel-dev-3764806440149ea9024dff039497d1e45d6ed027.zip
op-kernel-dev-3764806440149ea9024dff039497d1e45d6ed027.tar.gz
regulator: core: Add helper to put of_nodes from matches
As of_regulator_match will take an of_node reference to each matched regulator, it makes sense to provide a helper to put all those references. This patch does that. Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/regulator')
-rw-r--r--drivers/regulator/of_regulator.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c
index c58c8d1..188e0cb 100644
--- a/drivers/regulator/of_regulator.c
+++ b/drivers/regulator/of_regulator.c
@@ -172,3 +172,24 @@ int of_regulator_match(struct device *dev, struct device_node *node,
return count;
}
EXPORT_SYMBOL_GPL(of_regulator_match);
+
+/**
+ * of_regulator_put_match - put the of_node references from an
+ * of_regulator_match structure
+ * @matches: match table for the regulators
+ * @num_matches: number of entries in match table
+ *
+ * This function goes through a match table and calls of_node_put on each
+ * of_node.
+ */
+int of_regulator_put_match(struct of_regulator_match *matches,
+ unsigned int num_matches)
+{
+ int i;
+
+ for (i = 0; i < num_matches; i++)
+ of_node_put(matches[i].of_node);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(of_regulator_put_match);
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