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regulator: mc13xxx: Use of_get_child_count()

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Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Axel Lin 2013-01-30 20:54:49 +08:00 committed by Mark Brown
parent ee70b25849
commit 86f6673325
1 changed files with 3 additions and 5 deletions
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8
drivers/regulator/mc13xxx-regulator-core.c
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@ -164,17 +164,15 @@ EXPORT_SYMBOL_GPL(mc13xxx_fixed_regulator_ops);
#ifdef CONFIG_OF
int mc13xxx_get_num_regulators_dt(struct platform_device *pdev)
{
struct device_node *parent, *child;
int num = 0;
struct device_node *parent;
int num;
of_node_get(pdev->dev.parent->of_node);
parent = of_find_node_by_name(pdev->dev.parent->of_node, "regulators");
if (!parent)
return -ENODEV;
for_each_child_of_node(parent, child)
num++;
num = of_get_child_count(parent);
of_node_put(parent);
return num;
}