Re: Is it useful to support user level drivers

Matthias Urlichs (smurf@noris.de)
Thu, 21 Jun 2001 15:58:33 +0200


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
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