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regulator: core: Avoid negative regulator no & initialize it to -1

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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>
This commit is contained in:
Aniroop Mathur 2014-12-28 22:08:38 +05:30 committed by Mark Brown
parent 97bf6af1f9
commit 72dca06f62
1 changed files with 3 additions and 3 deletions
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6
drivers/regulator/core.c
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@ -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 = &regulator_class;
rdev->dev.parent = dev;
dev_set_name(&rdev->dev, "regulator.%d",
atomic_inc_return(&regulator_no) - 1);
dev_set_name(&rdev->dev, "regulator.%lu",
atomic_inc_return(&regulator_no));
ret = device_register(&rdev->dev);
if (ret != 0) {
put_device(&rdev->dev);