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| author | Matthias Kaehlcke <mka@chromium.org> | 2016-09-14 09:52:06 -0700 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-09-16 17:33:40 +0100 |
| commit | 31dfe686ed0ba5a796bcfc5a6745e77ddb5daa4e (patch) | |
| tree | a2306feb6e845d6cedce484ea52394389f27b249 /drivers/regulator/core.c | |
| parent | 57995a4860542ea2089558c84f739e12d5ca1059 (diff) | |
| download | linux-31dfe686ed0ba5a796bcfc5a6745e77ddb5daa4e.tar.gz linux-31dfe686ed0ba5a796bcfc5a6745e77ddb5daa4e.tar.bz2 linux-31dfe686ed0ba5a796bcfc5a6745e77ddb5daa4e.zip | |
regulator: core: Simplify error flow in _regulator_do_set_voltage()
If the voltage can not be set jump to the end of the function. This
avoids having to check for an error multiple times and eliminates one
level of nesting in a follow-up change.
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/regulator/core.c')
| -rw-r--r-- | drivers/regulator/core.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index b059e8334567..b0076ccf896b 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -2800,8 +2800,11 @@ static int _regulator_do_set_voltage(struct regulator_dev *rdev, ret = -EINVAL; } + if (ret) + goto out; + /* Call set_voltage_time_sel if successfully obtained old_selector */ - if (ret == 0 && !rdev->constraints->ramp_disable && old_selector >= 0 + if (!rdev->constraints->ramp_disable && old_selector >= 0 && old_selector != selector) { delay = ops->set_voltage_time_sel(rdev, @@ -2821,13 +2824,14 @@ static int _regulator_do_set_voltage(struct regulator_dev *rdev, } } - if (ret == 0 && best_val >= 0) { + if (best_val >= 0) { unsigned long data = best_val; _notifier_call_chain(rdev, REGULATOR_EVENT_VOLTAGE_CHANGE, (void *)data); } +out: trace_regulator_set_voltage_complete(rdev_get_name(rdev), best_val); return ret; |