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    SubjectRe: Is it useful to support user level drivers
    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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