On Tue, Aug 25, 2020 at 04:59:50PM +0300, Heikki Krogerus wrote: > This helper will register a software node and then assign > it to device at the same time. The function will also make > sure that the device can't have more than one software node. > + /* Only one software node per device. */ > + if (dev_to_swnode(dev)) > + return -EBUSY; > + swnode = dev_to_swnode(dev); > + if (!swnode) > + return; Hmm... I didn't find implementation of dev_to_swnode(). What did I miss? -- With Best Regards, Andy Shevchenko