> I think it's possible to do the shift while still making it look to > single port hosts that nothing has changed There are very few of those. Your generic PC controller is single host, dual channel two devices per channel. > Well, we can be elastic on this. The common case is a two port > master/slave, isn't it. This particular one could just be treated as > two separate interfaces and hence two hosts (it's reasonably analagous > to the 53c896---which is a single chip that presents two SCSI channels > as two PCI functions). Not as trivial as you might hope. In some cases the two are closely linked, they often share timing rules. In other cases they have shared or single assignable DMA fifos. In practical terms that means you must reconfigure *both* channels when you do an EH. 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
