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| author |   Aniroop Mathur <aniroop.mathur@gmail.com> | 2014-12-28 22:08:38 +0530 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2014-12-29 16:08:46 +0000 |
| commit | 72dca06f62c50415de3202f204200f58769d0b8b (patch) | |
| tree | ba3835f0ae82f33389dbb3896af6473c71b8adb2 /drivers/regulator | |
| parent | Linux 3.19-rc1 (diff) | |
| download | linux-dev-72dca06f62c50415de3202f204200f58769d0b8b.tar.xz linux-dev-72dca06f62c50415de3202f204200f58769d0b8b.zip | |
regulator: core: Avoid negative regulator no & initialize it to -1
This patch initializes regulator_no to -1 to avoid extra subtraction
operation performed every time we register a regulator and avoid negative
regulator no in its name.
Signed-off-by: Aniroop Mathur <a.mathur@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/core.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index e225711bb8bc..4bc5ea9721c2 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -3585,7 +3585,7 @@ regulator_register(const struct regulator_desc *regulator_desc, { const struct regulation_constraints *constraints = NULL; const struct regulator_init_data *init_data; - static atomic_t regulator_no = ATOMIC_INIT(0); + static atomic_t regulator_no = ATOMIC_INIT(-1); struct regulator_dev *rdev; struct device *dev; int ret, i; @@ -3658,8 +3658,8 @@ regulator_register(const struct regulator_desc *regulator_desc, /* register with sysfs */ rdev->dev.class = ®ulator_class; rdev->dev.parent = dev; - dev_set_name(&rdev->dev, "regulator.%d", - atomic_inc_return(®ulator_no) - 1); + dev_set_name(&rdev->dev, "regulator.%lu", + atomic_inc_return(®ulator_no)); ret = device_register(&rdev->dev); if (ret != 0) { put_device(&rdev->dev); |