Re: SATA_SIL on IXP425 workaround

From: Alan Cox
Date: Thu Jan 14 2010 - 15:57:53 EST

> I think that you misinterpreted the issue -- according to Krzysztof MMIO
> works just fine, only 8/16-bit MMIO reads are a problem (please note that
> using mixed PIO/MMIO access is still a win over pure PIO access and also
> that sata_sil doesn't support pure non-MMIO operations currently)..

Have we got timing measurements to prove that ?
> However if it gets fixed in the upstream kernel in some other way I'll
> simply drop the patch during the next re-base of my tree (I just collect
> ATA stuff that looks useful/interesting to me and which otherwise may
> become lost)..

And that's a good thing. The question was aimed at Krzysztof. Really we
need to keep platform specific weirdness out of core drivers or the
rapidly turn into a mess.
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