Messages in this thread |  | | Date | Sun, 30 Apr 2017 22:44:08 +0200 | From | Sebastian Reichel <> | Subject | Re: [PATCH 2/2] Add driver for MAX17211/MAX17215 fuel gauge |
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Hi,
On Sun, Apr 30, 2017 at 08:32:10PM +0300, Михайлов Алексей Анатольевич wrote: > > IIRC we already had problems with small THERMAL_NAME_LENGTH before. > > I suggest to add another patch, that increases THERMAL_NAME_LENGTH > > (don't forget to Cc/To the thermal subsystem people). > May be rename "max17211-battery" to "max17211" and remove no_thermal = true? > This case thermal zone will work again. In current (mainline) kernel all > drivers "xxxxxx-battery" (like ds2780-battery or ds2760-battery) compiled, > but not working (not registered). They can start working again without > thermal zone by adding no_thermal = true or by remove "-battery" from > platform device name. Alternative limit on THERMAL_NAME_LENGTH may be > extended.
I think increasing THERMAL_NAME_LENGTH is the right way.
> > > + info->bat = power_supply_register(&pdev->dev, &info->bat_desc, > > > + &psy_cfg); > > > + if (IS_ERR(info->bat)) { > > > + dev_err(info->dev, "failed to register battery\n"); > > > + return PTR_ERR(info->bat); > > > + } > > Please use devm_power_supply_register() and drop the remove > > function. > Khm... probe/remove paired functions. I can use devm_power_supply_register > in my code. But all other fuel gauge drivers use classic probe/remove pair. > Which decision will be more correct?
Most drivers are older than devm_power_supply_register. We already have a few fuel gauge drivers, which use it, though:
$ git grep devm_power_supply_register | grep "battery" 88pm860x_battery.c: info->battery = devm_power_supply_register(&pdev->dev, da9150-fg.c: fg->battery = devm_power_supply_register(dev, &fg_desc, NULL); max17042_battery.c: chip->battery = devm_power_supply_register(&client->dev, max17042_desc, max8997_charger.c: charger->battery = devm_power_supply_register(&pdev->dev, max8998_charger.c: max8998->battery = devm_power_supply_register(max8998->dev, sbs-battery.c: chip->power_supply = devm_power_supply_register(&client->dev, sbs_desc,
-- Sebastian [unhandled content-type:application/pgp-signature] |  |