On Mon 23 Sep 2024 at 09:44, Guenter Roeck <linux@xxxxxxxxxxxx> wrote: > On 9/23/24 06:21, Mark Brown wrote: >> On Fri, Sep 20, 2024 at 06:47:05PM +0200, Jerome Brunet wrote: >> >>> +int pmbus_regulator_init_cb(struct regulator_dev *rdev, >>> + struct regulator_config *config) >>> +{ >>> + struct pmbus_data *data = config->driver_data; >>> + struct regulation_constraints *constraints = rdev->constraints; >>> + >>> + if (data->flags & PMBUS_OP_PROTECTED) >>> + constraints->valid_ops_mask &= ~REGULATOR_CHANGE_STATUS; >>> + >>> + if (data->flags & PMBUS_VOUT_PROTECTED) >>> + constraints->valid_ops_mask &= ~REGULATOR_CHANGE_VOLTAGE; >>> + >>> + return 0; >>> +} >>> +EXPORT_SYMBOL_NS_GPL(pmbus_regulator_init_cb, PMBUS); >> I'm fairly comfortable with this from a regulator point of view, modulo >> the suggestion I posted in the other message about registering separate >> ops. The fact that there's three combinations of ops is annoying but >> doesn't feel too bad, though I didn't actually write it out so perhaps >> it looks horrible. In general removing permissions is safe, and without >> separate steps to remove write protect (which I see in your patch 5) the >> writes wouldn't actually work anyway. > > > I still consider the callback to be unnecessary, but I don't really have time > to implement a better solution myself. If you accept the regulator patches, > I'll have another look at the series as-is. I'll group the regulator patches and resend to Mark, adjusted as requested. Guenter, should I the resend the hwmon patches here grouped with the tps25990 series ? Or is there something you'd like me change before ? > > Guenter -- Jerome