regulator: core: Don't skip set_voltage_time when ramp delay disabled
authorMatthias Kaehlcke <mka@chromium.org>
Wed, 14 Sep 2016 16:52:07 +0000 (09:52 -0700)
committerMark Brown <broonie@kernel.org>
Fri, 16 Sep 2016 16:33:40 +0000 (17:33 +0100)
The current code assumes that only the ramp_delay is used to determine
the time needed for the voltage to stabilize. This may be true for the
calculation done by regulator_set_voltage_time_sel(), however regulators
can implement their own set_voltage_time_sel() op which would be skipped
if no ramp delay is specified. Remove the check in
_regulator_do_set_voltage(), the functions calculating the ramp delay
return 0 anyway when the ramp delay is not configured.

Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/regulator/core.c

index b0076ccf896bbd54891abd71552a6af9b1487b2d..df3028b2a8e9e300a0ae1ad91e2db369ee0b900a 100644 (file)
@@ -2804,9 +2804,7 @@ static int _regulator_do_set_voltage(struct regulator_dev *rdev,
                goto out;
 
        /* Call set_voltage_time_sel if successfully obtained old_selector */
-       if (!rdev->constraints->ramp_disable && old_selector >= 0
-               && old_selector != selector) {
-
+       if (!old_selector >= 0 && old_selector != selector) {
                delay = ops->set_voltage_time_sel(rdev,
                                                old_selector, selector);
                if (delay < 0) {
@@ -3051,10 +3049,8 @@ int regulator_set_voltage_time_sel(struct regulator_dev *rdev,
        else if (rdev->desc->ramp_delay)
                ramp_delay = rdev->desc->ramp_delay;
 
-       if (ramp_delay == 0) {
-               rdev_warn(rdev, "ramp_delay not set\n");
+       if (ramp_delay == 0)
                return 0;
-       }
 
        /* sanity check */
        if (!rdev->desc->ops->list_voltage)