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>
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@ -3585,7 +3585,7 @@ regulator_register(const struct regulator_desc *regulator_desc,
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{
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const struct regulation_constraints *constraints = NULL;
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const struct regulator_init_data *init_data;
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static atomic_t regulator_no = ATOMIC_INIT(0);
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static atomic_t regulator_no = ATOMIC_INIT(-1);
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struct regulator_dev *rdev;
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struct device *dev;
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int ret, i;
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@ -3658,8 +3658,8 @@ regulator_register(const struct regulator_desc *regulator_desc,
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/* register with sysfs */
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rdev->dev.class = ®ulator_class;
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rdev->dev.parent = dev;
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dev_set_name(&rdev->dev, "regulator.%d",
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atomic_inc_return(®ulator_no) - 1);
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dev_set_name(&rdev->dev, "regulator.%lu",
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atomic_inc_return(®ulator_no));
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ret = device_register(&rdev->dev);
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if (ret != 0) {
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put_device(&rdev->dev);
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