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regulator: core: Fast path non-deferred disables

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Users (especially framework code) may end up passing in a zero deferral
time depending on runtime conditions or configuration. If they do then
just call regulator_disable() directly to save scheduling.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
This commit is contained in:
Mark Brown 2012-09-07 11:00:53 +08:00
parent f2889e650a
commit 2b5a24a01d
1 changed files with 3 additions and 0 deletions
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3
drivers/regulator/core.c
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@ -1724,6 +1724,9 @@ int regulator_disable_deferred(struct regulator *regulator, int ms)
if (regulator->always_on)
return 0;
if (!ms)
return regulator_disable(regulator);
mutex_lock(&rdev->mutex);
rdev->deferred_disables++;
mutex_unlock(&rdev->mutex);