On Wednesday, July 31, 2019 11:59:32 PM CEST Stephen Boyd wrote: > Quoting Tri Vo (2019-07-31 14:55:14) > > +/** > > + * wakeup_source_sysfs_add - Add wakeup_source attributes to sysfs. > > + * @parent: Device given wakeup source is associated with (or NULL if > > virtual). > > + * @ws: Wakeup source to be added in sysfs. > > + */ > > +int wakeup_source_sysfs_add(struct device *parent, struct wakeup_source > > *ws) > > +{ > > + struct device *dev; > > + int id; > > + > > + id = ida_alloc(&wakeup_ida, GFP_KERNEL);
So can anyone remind me why the IDA thing is needed here at all? > > + if (id < 0) > > + return id; > > + ws->id = id; > > + > > + dev = device_create_with_groups(wakeup_class, parent, MKDEV(0, 0), > > ws, > > + wakeup_source_groups, "ws%d", > > I thought the name was going to still be 'wakeupN'? So can't we prefix the wakeup source name with something like "wakeup:" or similar here?