On Wed, Dec 07, 2022 at 06:37:13PM +0100, Saravanan Sekar wrote:
> Some regulator operates in a range of voltage which should not allow
> below the lower threshold.
>
> Signed-off-by: Saravanan Sekar <saravanan@xxxxxxxxxxx>
Applied to hwmon-next.
> ---
> 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 10fb17879f8e..713ea7915425 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), \
> .id = (_id), \
> @@ -475,9 +475,10 @@ 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 */
>
