On Fri, Apr 10, 2020 at 11:20 PM Saravanan Sekar <sravanhome@xxxxxxxxx> wrote: > > The mp2629 provides switching-mode battery charge management for > single-cell Li-ion or Li-polymer battery. Driver supports the > access/control input source and battery charging parameters. ... > +static DEVICE_ATTR_RW(batt_impedance_compensation); > + > +static struct attribute *mp2629_charger_sysfs_attrs[] = { > + &dev_attr_batt_impedance_compensation.attr, > + NULL > +}; > +ATTRIBUTE_GROUPS(mp2629_charger_sysfs); Did I miss ABI documentation? -- With Best Regards, Andy Shevchenko