On Fri, Jan 22, 2021 at 05:40:41PM +0100, Rafael J. Wysocki wrote: > On Fri, Jan 22, 2021 at 4:46 PM Calvin Johnson > <calvin.johnson@xxxxxxxxxxx> wrote: > > > > Using fwnode_get_id(), get the reg property value for DT node > > or get the _ADR object value for ACPI node. > > So I'm not really sure if this is going to be generically useful. > > First of all, the meaning of the _ADR return value is specific to a > given bus type (e.g. the PCI encoding of it is different from the I2C > encoding of it) and it just happens to be matching the definition of > the "reg" property for this particular binding. > IOW, not everyone may expect the "reg" property and the _ADR return > value to have the same encoding and belong to the same set of values, I have counted three or even four attempts to open code exact this scenario in the past couple of years. And I have no idea where to put a common base for them so they will not duplicate this in each case. > so maybe put this function somewhere closer to the code that's going > to use it, because it seems to be kind of specific to this particular > use case? -- With Best Regards, Andy Shevchenko