On Thu, Jan 14, 2010 at 2:11 PM, Henrique de Moraes Holschuh <hmh@xxxxxxxxxx> wrote: > On Wed, 13 Jan 2010, Robert Hancock wrote: >> Hmm, it seems like it's a bit more complicated than that. For ICH6R >> (0x2652), ata_piix attaches to it regardless of mode intentionally, it >> has specific logic to disable AHCI on the controller since it can be >> used in either mode. That seems a bit questionable. Having the same >> device being handled by different enabled drivers and depending on >> link or module load order to decide which one loads is fragile and >> prone to errors. I'd be in favor of removing the ICH6R support from >> ata_piix entirely and saying that you should be using ahci for that >> device. Maybe when ahci was immature there was a benefit to allowing >> ata_piix to run it, but I doubt that's true today. > > Maybe it is the silicon AHCI in ICH6R that is immature, and one is much > better of using it in IDE mode? That seems unlikely, since the Intel-provided Matrix Storage drivers for that controller on Windows will be using AHCI mode.. -- 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