On Fri, 2022-02-11 at 11:44 -0800, Guenter Roeck wrote: > On 2/11/22 09:17, Marcello Sylvester Bauer wrote: > > Add regulator support for PLI1209BC Digital Supervisor. > > > > Signed-off-by: Marcello Sylvester Bauer <sylv@xxxxxxx> > > --- > > drivers/hwmon/pmbus/Kconfig | 8 ++++++++ > > drivers/hwmon/pmbus/pli1209bc.c | 33 > > +++++++++++++++++++++++++++++++++ > > 2 files changed, 41 insertions(+) > > > > diff --git a/drivers/hwmon/pmbus/Kconfig > > b/drivers/hwmon/pmbus/Kconfig > > index 831db423bea0..e64e0f2d93c9 100644 > > --- a/drivers/hwmon/pmbus/Kconfig > > +++ b/drivers/hwmon/pmbus/Kconfig > > @@ -319,6 +319,14 @@ config SENSORS_PLI1209BC > > This driver can also be built as a module. If so, the > > module will > > be called pli1209bc. > > > > +config SENSORS_PLI1209BC_REGULATOR > > + bool "Regulator support for PLI1209BC" > > + depends on SENSORS_PLI1209BC && REGULATOR > > + help > > + If you say yes here you get regulator support for Vicor > > PLI1209BC > > + Digital Supervisor. > > + > > + > > Single empty line please ack. > > > config SENSORS_PM6764TR > > tristate "ST PM6764TR" > > help > > diff --git a/drivers/hwmon/pmbus/pli1209bc.c > > b/drivers/hwmon/pmbus/pli1209bc.c > > index da345eb105fd..ec479b22aa10 100644 > > --- a/drivers/hwmon/pmbus/pli1209bc.c > > +++ b/drivers/hwmon/pmbus/pli1209bc.c > > @@ -8,6 +8,7 @@ > > #include <linux/i2c.h> > > #include <linux/module.h> > > #include <linux/pmbus.h> > > +#include <linux/regulator/driver.h> > > #include "pmbus.h" > > > > /* > > @@ -32,11 +33,39 @@ static int pli1209bc_read_word_data(struct > > i2c_client *client, int page, > > if (data < 0) > > return data; > > return div_s64(data + 5LL, 10L); > > +#if IS_ENABLED(CONFIG_SENSORS_PLI1209BC_REGULATOR) > > I don't think this needs to be conditional. Sure, this would cause a redundant status check, if regulator support is disabled. But that's not a big overhead I guess. > > > + /* > > + * PMBUS_READ_VOUT and PMBUS_READ_TEMPERATURE_1 returns > > invalid data, > > s/returns/return/ and no ',' ack. Thanks, Marcello > > > + * when the BCM is turned off. Since it is not possible to > > return > > + * ENODATA error, return zero instead. > > + */ > > + case PMBUS_READ_VOUT: > > + case PMBUS_READ_TEMPERATURE_1: > > + data = pmbus_read_word_data(client, page, phase, > > + PMBUS_STATUS_WORD); > > + if (data < 0) > > + return data; > > + if (data & PB_STATUS_POWER_GOOD_N) > > + return 0L; > > + return pmbus_read_word_data(client, page, phase, > > reg); > > +#endif > > default: > > return -ENODATA; > > } > > } > > > > +#if IS_ENABLED(CONFIG_SENSORS_PLI1209BC_REGULATOR) > > +static const struct regulator_desc pli1209bc_reg_desc = { > > + .name = "vout2", > > + .id = 1, > > + .of_match = of_match_ptr("vout2"), > > + .regulators_node = of_match_ptr("regulators"), > > + .ops = &pmbus_regulator_ops, > > + .type = REGULATOR_VOLTAGE, > > + .owner = THIS_MODULE, > > +}; > > +#endif > > + > > static struct pmbus_driver_info pli1209bc_info = { > > .pages = 2, > > .format[PSC_VOLTAGE_IN] = direct, > > @@ -64,6 +93,10 @@ static struct pmbus_driver_info pli1209bc_info = > > { > > | PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP > > | PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_STATUS_INPUT, > > .read_word_data = pli1209bc_read_word_data, > > +#if IS_ENABLED(CONFIG_SENSORS_PLI1209BC_REGULATOR) > > + .num_regulators = 1, > > + .reg_desc = &pli1209bc_reg_desc, > > +#endif > > }; > > > > static int pli1209bc_probe(struct i2c_client *client) >