Messages in this thread | | | Date | Sun, 29 Jun 2008 18:23:00 +0400 | From | Anton Vorontsov <> | Subject | Re: [PATCH v2 -rt] ide: workaround buggy hardware issues with preemptable hardirqs |
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On Sun, Jun 29, 2008 at 05:17:38PM +0400, Sergei Shtylyov wrote: > 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 :-).
Yes, we don't use 8259 for the IDE interrupt.
-- Anton Vorontsov email: cbouatmailru@gmail.com irc://irc.freenode.net/bd2
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