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Message-Id: <1346986880-28846-1-git-send-email-broonie@opensource.wolfsonmicro.com>
Date:	Fri,  7 Sep 2012 11:01:20 +0800
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Liam Girdwood <lrg@...com>
Cc:	linux-kernel@...r.kernel.org,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH] regulator: core: Fast path non-deferred disables

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@...nsource.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

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