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SubjectRe: PNP patch into kernel when?

> > Some of the kernel drivers already knowingly abuse the existing API,
> > for the sake of the functionality the proposed new API provides.
> > Still more drivers (nearly all I expect) make assumptions that are not
> > allowed with PnP, and the existing API allows/expects/promotes this.
> What assumptions are these?

Well off the top of my head:
- Devices fully decode the bus.
- request_region() and free_region() always succeed.
- I/O regions can be described by a short.
- request_dma() and free_dma() control 16 physical interrupts.
- No hardware resource changes are allowed during an interrupt.

Andrew E. Mileski
Linux Plug-and-Play Kernel Project
XFree86 Matrox Team

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