On Tue, Jul 16, 2013 at 09:34:57AM -0700, Srinivas Pandruvada wrote: > Hi Greg, > > I would like to create tree like structure using device model (struct > device, device_register/device_unregister) using parent/child > relationship while creation. I want to be able to create duplicate > names, when their parents are different, similar to a directory structure. > I see that I can't create devices with duplicate names (device names), > even when their parents are different.
We actually check that? Nice, I didn't realize that :) > How can I allow duplicate names when their parents are different devices? > I want to avoid flat model as I have parent child relationship and there > will be too many devices using flat model. Devices on the same bus shouldn't have the same name, but if they are in a "tree", it should be ok. What check is erroring out? > Why, I need? > I am going to publish RFC for a new power cap class driver. We have a > multiple controllers under power cap class (they are devices). Under > which there are multiple power zones, with parent/child relationships. > Currently I have to use kobject_init_and_add, which I want to avoid and > just use device_register. Other places, wherever such relationships are > required, kobjects are used like cpufreq. Yes, you shouldn't use "raw" kobject calls at all, so we should fix this. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
