* [PATCH] regulator: core: Fast path non-deferred disables
@ 2012-09-07 3:01 Mark Brown
2012-09-07 15:03 ` Liam Girdwood
0 siblings, 1 reply; 2+ messages in thread
From: Mark Brown @ 2012-09-07 3:01 UTC (permalink / raw)
To: Liam Girdwood; +Cc: linux-kernel, Mark Brown
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>
---
drivers/regulator/core.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index e6bb1f9..3ddc837 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1749,6 +1749,9 @@ 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);
--
1.7.10.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] regulator: core: Fast path non-deferred disables
2012-09-07 3:01 [PATCH] regulator: core: Fast path non-deferred disables Mark Brown
@ 2012-09-07 15:03 ` Liam Girdwood
0 siblings, 0 replies; 2+ messages in thread
From: Liam Girdwood @ 2012-09-07 15:03 UTC (permalink / raw)
To: Mark Brown; +Cc: linux-kernel
On Fri, 2012-09-07 at 11:01 +0800, Mark Brown wrote:
> 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>
^ permalink raw reply [flat|nested] 2+ messages in thread
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