Re: Linux 2.6.17: IRQ handler mismatch in serial code?

From: Bodo Eggert
Date: Tue Jun 20 2006 - 10:38:56 EST


Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> wrote:
> Ar Llu, 2006-06-19 am 17:52 -0400, ysgrifennodd Mark Lord:

>> Eh? The vast majority of ISA bus devices have open-collector IRQ lines,
>
> Not in my experience. In the network work at least very few are, they
> all drive the chip lines all the time. Thats why Don Becker made sure
> such drivers grab the lines at startup. Those which can share IRQ or
> move IRQ grab at open

There are thousands of NE2K-clones, the driver can't know if sharing the IRQ
will be OK for a given card. Is the change for sharing IRQs trivial enough
to allow an if/else based on a load-time module parameter?
--
Ich danke GMX dafür, die Verwendung meiner Adressen mittels per SPF
verbreiteten Lügen zu sabotieren.

http://david.woodhou.se/why-not-spf.html
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