Hello Bryan On Thu, Feb 19, 2015 at 8:12 PM, Bryan Wu <cooloney@xxxxxxxxx> wrote: > Yes, this is what I want. It's good to let the user know there are > multiple leds share the same name in DT. Sometime they made some > mistake in the DTS file. I have added that message now: dev_info(parent, "Led %s renamed to %s due to name collision", led_cdev->name, dev_name(led_cdev->dev)); > > Please update the patch, we can start to discuss the implementation, then. > > Actually I think we don't need the temp_name and just use the "name". We need to keep a pointer to the generated string, to release it later with kfree. Also I rather allocate new memory only if there is a name collision. > And one more thing is device_find_child() will find child of the > parent. But in your 2 PCI card case, these 2 parents are different > then device_find_child() will return false twice even if your 2 red > leds have the same name. I am now iterating with while (class_find_device(leds_class, NULL, name, match_name)); Thanks -- Ricardo Ribalda -- To unsubscribe from this list: send the line "unsubscribe linux-leds" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html