Hi! > > What's the advantage of pushing this to userspace? By the time we > > provide enough discoverability to enable userspace to configure itself > > it seems like we'd have enough information to do the job anyway. > > you're going to be dealing with a setup where each vendor does one thing > differently. Some will have it all in the SoC part of a single IP (dwc3 can be > configured that way), some will push it out to companion IC, some might even use > some mostly discrete setup and so on... > > We're gonna be dealing with a decision that involves information from multiple > subsystems (USB, regulator, hwmon, power supply to name a few). > > We tried doing it all in the kernel back in N800, N810 and N900/N9 days and it's > just plain difficult. To make matters worse, N900 had two USB PHYs, one for > actual runtime use and another just for detecting the charger type on the other > end. N900 does charging from kernel these days. Not being able to boot generic distribution would be regression there... Pavel -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html