Re: Is it useful to support user level drivers

Matthias Urlichs
2001-06-21T14:01:40Z

At 23:50 +1000 2001-06-21, john slee wrote:
>i believe libgpio uses the existing usb/iee1394/serial/parallel
>interfaces to provide a limited userspace driver capability.

That only means, however, that the specific kernel drivers explicitly
support mid-level usermode access.

They still handle the actual hardware state changes without usermode support.

--
Matthias Urlichs