[PATCH] regulator: core: use NULL rather than 0 for cells_name argument

[Colin Ian King]

The 3rd paramater is a pointer type and should be NULL rather than a
zero, clean up spare warning:

drivers/regulator/of_regulator.c:424:75: warning: Using plain integer
as NULL pointer

Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
---
 drivers/regulator/of_regulator.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c
index 7df3a46908f1..a2eb9046adf8 100644
--- a/drivers/regulator/of_regulator.c
+++ b/drivers/regulator/of_regulator.c
@@ -420,7 +420,8 @@ int of_get_n_coupled(struct regulator_dev *rdev)
 	int n_phandles;
 
 	n_phandles = of_count_phandle_with_args(node,
-						"regulator-coupled-with", 0);
+						"regulator-coupled-with",
+						NULL);
 
 	return (n_phandles > 0) ? n_phandles : 0;
 }
-- 
2.16.2