Merge remote-tracking branch 'regulator/topic/core' into regulator-next

4 files changed, 22 insertions, 4 deletions

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index afca1bc24f26..bac485acc7f3 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -2399,6 +2399,7 @@ int regulator_set_voltage(struct regulator *regulator, int min_uV, int max_uV)
         struct regulator_dev *rdev = regulator->rdev;
         int ret = 0;
         int old_min_uV, old_max_uV;
+        int current_uV;
 
         mutex_lock(&rdev->mutex);
 
@@ -2409,6 +2410,19 @@ int regulator_set_voltage(struct regulator *regulator, int min_uV, int max_uV)
         if (regulator->min_uV == min_uV && regulator->max_uV == max_uV)
                 goto out;
 
+        /* If we're trying to set a range that overlaps the current voltage,
+         * return succesfully even though the regulator does not support
+         * changing the voltage.
+         */
+        if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE)) {
+                current_uV = _regulator_get_voltage(rdev);
+                if (min_uV <= current_uV && current_uV <= max_uV) {
+                        regulator->min_uV = min_uV;
+                        regulator->max_uV = max_uV;
+                        goto out;
+                }
+        }
+
         /* sanity check */
         if (!rdev->desc->ops->set_voltage &&
             !rdev->desc->ops->set_voltage_sel) {
diff --git a/drivers/regulator/dummy.c b/drivers/regulator/dummy.c
index df9f42524abb..2436db9e2ca3 100644
--- a/drivers/regulator/dummy.c
+++ b/drivers/regulator/dummy.c
@@ -25,7 +25,11 @@
 
 struct regulator_dev *dummy_regulator_rdev;
 
-static struct regulator_init_data dummy_initdata;
+static struct regulator_init_data dummy_initdata = {
+        .constraints = {
+                .always_on = 1,
+        },
+};
 
 static struct regulator_ops dummy_ops;
 
diff --git a/drivers/regulator/pfuze100-regulator.c b/drivers/regulator/pfuze100-regulator.c
index ab174f20ca11..b699d4e7acc5 100644
--- a/drivers/regulator/pfuze100-regulator.c
+++ b/drivers/regulator/pfuze100-regulator.c
@@ -92,7 +92,7 @@ MODULE_DEVICE_TABLE(of, pfuze_dt_ids);
 static int pfuze100_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
 {
         struct pfuze_chip *pfuze100 = rdev_get_drvdata(rdev);
-        int id = rdev->desc->id;
+        int id = rdev_get_id(rdev);
         unsigned int ramp_bits;
         int ret;
 
diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c
index cd0b9e35a56d..89966213315c 100644
--- a/drivers/regulator/s2mps11.c
+++ b/drivers/regulator/s2mps11.c
@@ -65,7 +65,7 @@ static int s2mps11_regulator_set_voltage_time_sel(struct regulator_dev *rdev,
         unsigned int ramp_delay = 0;
         int old_volt, new_volt;
 
-        switch (rdev->desc->id) {
+        switch (rdev_get_id(rdev)) {
         case S2MPS11_BUCK2:
                 ramp_delay = s2mps11->ramp_delay2;
                 break;
@@ -105,7 +105,7 @@ static int s2mps11_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
         unsigned int ramp_enable = 1, enable_shift = 0;
         int ret;
 
-        switch (rdev->desc->id) {
+        switch (rdev_get_id(rdev)) {
         case S2MPS11_BUCK1:
                 if (ramp_delay > s2mps11->ramp_delay16)
                         s2mps11->ramp_delay16 = ramp_delay;