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SubjectRe: Linux 2.4.21-pre3-ac4
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On Sun, 2003-01-12 at 21:40, Alan Cox wrote:
> On Sun, 2003-01-12 at 19:51, Benjamin Herrenschmidt wrote:
> > What about PCI write posting ? How can we enforce the 400ns delay here ?
>
> For i/o space it is ok as in*/out* are synchronous. For mmio right now I
> don't know. I need to talk to Andre about that for SATA. I guess for the
> PPC its going to be fun

Thinking about it, it might make sense to provide an hwif->IOSYNC iop along
with {IN/OUT}{B,W,L} that would be a no-op by default for that.
Ben.


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