> I think it only requires the *host* to drop to PIO0 timings. In which > case it should be achievable w/o libata modification -- if the driver has to > "snoop" command and turn off prefetch, why not switch to PIO0 temporarily? This isn't a big issue. Eventually we have to support sending speed change commands and once we do that the caller will be able to switch to PIO0 and back again. Alan - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html