Some regulator operates in a range of voltage which should not allow
below the lower threshold.
Signed-off-by: Saravanan Sekar <saravanan@xxxxxxxxxxx>
---
drivers/hwmon/pmbus/ltc2978.c | 16 ++++++++--------
drivers/hwmon/pmbus/pmbus.h | 5 +++--
2 files changed, 11 insertions(+), 10 deletions(-)
diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c
index 6d2592731ba3..406a36885ef3 100644
--- a/drivers/hwmon/pmbus/ltc2978.c
+++ b/drivers/hwmon/pmbus/ltc2978.c
@@ -569,14 +569,14 @@ MODULE_DEVICE_TABLE(i2c, ltc2978_id);
#define LTC2978_N_VOLTAGES ((LTC2978_MAX_UV / LTC2978_UV_STEP) + 1)
static const struct regulator_desc ltc2978_reg_desc[] = {
- PMBUS_REGULATOR_STEP("vout", 0, LTC2978_N_VOLTAGES, LTC2978_UV_STEP),
- PMBUS_REGULATOR_STEP("vout", 1, LTC2978_N_VOLTAGES, LTC2978_UV_STEP),
- PMBUS_REGULATOR_STEP("vout", 2, LTC2978_N_VOLTAGES, LTC2978_UV_STEP),
- PMBUS_REGULATOR_STEP("vout", 3, LTC2978_N_VOLTAGES, LTC2978_UV_STEP),
- PMBUS_REGULATOR_STEP("vout", 4, LTC2978_N_VOLTAGES, LTC2978_UV_STEP),
- PMBUS_REGULATOR_STEP("vout", 5, LTC2978_N_VOLTAGES, LTC2978_UV_STEP),
- PMBUS_REGULATOR_STEP("vout", 6, LTC2978_N_VOLTAGES, LTC2978_UV_STEP),
- PMBUS_REGULATOR_STEP("vout", 7, LTC2978_N_VOLTAGES, LTC2978_UV_STEP),
+ PMBUS_REGULATOR_STEP("vout", 0, LTC2978_N_VOLTAGES, LTC2978_UV_STEP, 0),
+ PMBUS_REGULATOR_STEP("vout", 1, LTC2978_N_VOLTAGES, LTC2978_UV_STEP, 0),
+ PMBUS_REGULATOR_STEP("vout", 2, LTC2978_N_VOLTAGES, LTC2978_UV_STEP, 0),
+ PMBUS_REGULATOR_STEP("vout", 3, LTC2978_N_VOLTAGES, LTC2978_UV_STEP, 0),
+ PMBUS_REGULATOR_STEP("vout", 4, LTC2978_N_VOLTAGES, LTC2978_UV_STEP, 0),
+ PMBUS_REGULATOR_STEP("vout", 5, LTC2978_N_VOLTAGES, LTC2978_UV_STEP, 0),
+ PMBUS_REGULATOR_STEP("vout", 6, LTC2978_N_VOLTAGES, LTC2978_UV_STEP, 0),
+ PMBUS_REGULATOR_STEP("vout", 7, LTC2978_N_VOLTAGES, LTC2978_UV_STEP, 0),
};
static const struct regulator_desc ltc2978_reg_desc_default[] = {
diff --git a/drivers/hwmon/pmbus/pmbus.h b/drivers/hwmon/pmbus/pmbus.h
index 7daaf0caf4d3..b8c7810c812a 100644
--- a/drivers/hwmon/pmbus/pmbus.h
+++ b/drivers/hwmon/pmbus/pmbus.h
@@ -464,7 +464,7 @@ struct pmbus_driver_info {
extern const struct regulator_ops pmbus_regulator_ops;
/* Macros for filling in array of struct regulator_desc */
-#define PMBUS_REGULATOR_STEP(_name, _id, _voltages, _step) \
+#define PMBUS_REGULATOR_STEP(_name, _id, _voltages, _step, _min_uV) \
[_id] = { \
.name = (_name # _id), \
.supply_name = "vin", \
@@ -476,9 +476,10 @@ extern const struct regulator_ops pmbus_regulator_ops;
.owner = THIS_MODULE, \
.n_voltages = _voltages, \
.uV_step = _step, \
+ .min_uV = _min_uV, \
}
-#define PMBUS_REGULATOR(_name, _id) PMBUS_REGULATOR_STEP(_name, _id, 0, 0)
+#define PMBUS_REGULATOR(_name, _id) PMBUS_REGULATOR_STEP(_name, _id, 0, 0, 0)
/* Function declarations */
--
2.34.1
