Messages in this thread | | | Subject | Re: Linux 2.4.21-pre3-ac4 | From | Benjamin Herrenschmidt <> | Date | 12 Jan 2003 21:02:57 +0100 |
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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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