On Tue, Jan 28, 2020 at 1:14 AM Suman Anna <s-anna@xxxxxx> wrote: > > The DT node full name is currently being used in regmap_config > which in turn is used to create the regmap debugfs directories. > This name however is not guaranteed to be unique and the regmap > debugfs registration can fail in the cases where the syscon nodes > have the same unit-address but are present in different DT node > hierarchies. Replace this logic using the syscon reg resource > address instead (inspired from logic used while creating platform > devices) to ensure a unique name is given for each syscon. > - syscon_config.name = of_node_full_name(np); > + syscon_config.name = kasprintf(GFP_KERNEL, "%pOFn@%llx", np, > + (u64)res.start); Explicit castings in printf() usually tell us that something is not okay. Yes, for resource_size_t we have %pa. On top of that, I would rather see %pfwn to avoid modification for other fwnode types. -- With Best Regards, Andy Shevchenko