Hi Andy, On Tue, Mar 26, 2019 at 03:16:26PM +0200, Andy Shevchenko wrote: > On Tue, Mar 26, 2019 at 02:41:03PM +0200, Sakari Ailus wrote: > > The prefix is used for printing purpose before a node, and it also works > > as a separator between two nodes. > > > > One nit below. > > > +static const char * > > +acpi_fwnode_get_name_prefix(const struct fwnode_handle *fwnode) > > +{ > > + struct fwnode_handle *parent; > > + > > > + parent = fwnode_get_parent(fwnode); > > + /* Root node. */ > > I guess a comment could be easier to read if it goes before parent assignment > line. Only if the comments are changed accordingly. What we're doing here is trying to figure out whether this is the root node. I can do that for v3. > > > + if (!parent) > > + return ""; > > + > > + parent = fwnode_get_next_parent(parent); > > + /* Second node from the root; no prefix here either. */ > > Ditto. > > > + if (!parent) > > + return ""; > > + > > + fwnode_handle_put(parent); > > + > > + /* ACPI device or data node. */ > > + return "."; > > +} -- Regards, Sakari Ailus sakari.ailus@xxxxxxxxxxxxxxx