[Ksummit-discuss] [TECH TOPIC] System-wide interface to specify the level of PM tuning

[Greg KH]

On Thu, Jul 16, 2015 at 08:53:02AM -0700, Josh Triplett wrote:
> But the kernel already has quirk tables for various hardware, and that
> seems appropriate to continue putting in the kernel.

For some types of devices, sure.  For others, like broken USB keyboards
that can't handle autosuspend, no.  For those we need a userspace
_whitelist_ that udev can use.  So there's no one answer that works for
all types of quirks.

thanks,

greg k-h