Re: [PATCH v2 -rt] ide: workaround buggy hardware issues with preemptablehardirqs

[Sergei Shtylyov]

Alan Cox wrote:

> >   His boot log shows the native mode.

> Then the bridge is misprogrammed

> >   What's IDEIRT, some ISA bridge register? And why should one set 
> > [A]PIC to level mode for legacy mode IDE? :-O

> You need an NDA and then they'll send you the data sheet for the bridges
> and other logic. It's all programmable.

   That could be a very long story... :-|

> "He has an OpenPIC, it's PowerPC SoC, so no ELCR either"

> Really - he's using a designed for PC ISA bridge etc.. he might have all
> sorts of stuff on it.

  Ah, indeed. I meant to say that 8259 and ELCR are bypassed for PCI IRQs (or 
at least Anton says so :-).

> Alan

MBR, Sergei
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