Alan Cox (alan@lxorguk.ukuu.org.uk)
Mon, 31 Aug 1998 18:16:33 +0100 (BST)
> So is this the semantic all you like?
>
> unknown IRQ
["unspecified architecture specific event"]
|
V
["unspecified architecture specific handler"]
> | "Its a parallel port"
> > V
> enter parport_lowlevel_irq()
(which as you showed may also make a decision
and return in itself. Deleted that path to add this
> / comment over it)
> /
> V
> the irq is generated from the parallel port
> |
> V
> call parport_generic_irq() and then exit
Yep.
The parallel port doesnt even need to know if it was an IRQ. Consider a
parallel port which is polled with 16K buffers for example.
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This archive was generated by hypermail 2.0b3 on Wed 30 Dec 1998 - 10:18:12 EST