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[PATCH] drivers: regulator: core: fix 'unused' warning

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Patch 9f01cd4a91 (regulator: core: introduce function to lock
regulators and its supplies) introduces function
regulator_lock_supply(). On my kernel it causes compile-time
error:
drivers/regulator/core.c: In function ‘regulator_lock_supply’:
drivers/regulator/core.c:142:6: warning: unused variable ‘i’ [-Wunused-variable]
  int i = 0;

Please pull this fix.

Signed-off-by: Yury Norov <ynorov@caviumnetworks.com>
---
 drivers/regulator/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 73b7683..2453bce 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -139,7 +139,7 @@ static bool have_full_constraints(void)
 static void regulator_lock_supply(struct regulator_dev *rdev)
 {
 	struct regulator *supply;
-	int i = 0;
+	int __maybe_unused i = 0;
 
 	while (1) {
 		mutex_lock_nested(&rdev->mutex, i++);
-- 
2.5.0

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[PATCH] drivers: regulator: core: fix 'unused' warning Yury Norov <ynorov@caviumnetworks.com> - 2016-01-26 14:10 +0100
  Re: [PATCH] drivers: regulator: core: fix 'unused' warning Mark Brown <broonie@kernel.org> - 2016-01-26 16:30 +0100

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