On 01/30/2013 03:01 PM, Alex Courbot wrote: > On 01/30/2013 03:50 PM, Mark Zhang wrote: [...] > >>> + /* register display notifier */ >>> + output->display_notifier.dev = NULL; >> >> Set "display_notifier.dev" to NULL makes we have to compare with every >> display entity, just like what you do in "display_notify_callback": >> >> entity->dev && entity->dev->of_node == pnode >> >> So can we get the "struct device *" of panel here? Seems currently the >> "of" framework doesn't allow "device_node -> device". > > Nope. AFAICT the device might not be instanciated at this point. We > become aware of it for the first time in the callback function. We also > don't want to defer probing until the panel is parsed first, since the > panel might also depend on resources of the display device. >
Agree. > Thanks, > Alex. > -- 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/
