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authorMark Brown <broonie@linaro.org>2013-07-15 18:31:04 +0100
committerMark Brown <broonie@linaro.org>2013-07-15 18:31:04 +0100
commit92d8ecae7eda0820663933e568915dbf7ef79127 (patch)
treef602547b7f5aa63ef9fadbd791ad06810fdb9db8 /drivers/regulator
parent1e1598ed04d831f5bb42a197b4045e6780365217 (diff)
parent5b175952011adae30b531ab89cc24acb173b2ce4 (diff)
downloadop-kernel-dev-92d8ecae7eda0820663933e568915dbf7ef79127.zip
op-kernel-dev-92d8ecae7eda0820663933e568915dbf7ef79127.tar.gz
Merge branch 'topic/ramp' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into regulator-sec
Diffstat (limited to 'drivers/regulator')
-rw-r--r--drivers/regulator/core.c7
-rw-r--r--drivers/regulator/of_regulator.c12
2 files changed, 13 insertions, 6 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 288c75a..15368f3 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -984,7 +984,8 @@ static int set_machine_constraints(struct regulator_dev *rdev,
}
}
- if (rdev->constraints->ramp_delay && ops->set_ramp_delay) {
+ if ((rdev->constraints->ramp_delay || rdev->constraints->ramp_disable)
+ && ops->set_ramp_delay) {
ret = ops->set_ramp_delay(rdev, rdev->constraints->ramp_delay);
if (ret < 0) {
rdev_err(rdev, "failed to set ramp_delay\n");
@@ -2438,8 +2439,8 @@ static int _regulator_do_set_voltage(struct regulator_dev *rdev,
}
/* Call set_voltage_time_sel if successfully obtained old_selector */
- if (ret == 0 && _regulator_is_enabled(rdev) && old_selector >= 0 &&
- old_selector != selector && rdev->desc->ops->set_voltage_time_sel) {
+ if (ret == 0 && !rdev->constraints->ramp_disable && old_selector >= 0
+ && old_selector != selector) {
delay = rdev->desc->ops->set_voltage_time_sel(rdev,
old_selector, selector);
diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c
index f3c8f8f..7827384 100644
--- a/drivers/regulator/of_regulator.c
+++ b/drivers/regulator/of_regulator.c
@@ -21,6 +21,7 @@ static void of_get_regulation_constraints(struct device_node *np,
{
const __be32 *min_uV, *max_uV, *uV_offset;
const __be32 *min_uA, *max_uA, *ramp_delay;
+ struct property *prop;
struct regulation_constraints *constraints = &(*init_data)->constraints;
constraints->name = of_get_property(np, "regulator-name", NULL);
@@ -64,9 +65,14 @@ static void of_get_regulation_constraints(struct device_node *np,
if (of_property_read_bool(np, "regulator-allow-bypass"))
constraints->valid_ops_mask |= REGULATOR_CHANGE_BYPASS;
- ramp_delay = of_get_property(np, "regulator-ramp-delay", NULL);
- if (ramp_delay)
- constraints->ramp_delay = be32_to_cpu(*ramp_delay);
+ prop = of_find_property(np, "regulator-ramp-delay", NULL);
+ if (prop && prop->value) {
+ ramp_delay = prop->value;
+ if (*ramp_delay)
+ constraints->ramp_delay = be32_to_cpu(*ramp_delay);
+ else
+ constraints->ramp_disable = true;
+ }
}
/**
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