Hello, Andy. On Tue, Jan 12, 2016 at 10:51:15PM -0800, Andy Lutomirski wrote: > Hi- > > My XPS 13 9350 laptop has an nvme drive. It has on-chip ahci > capability, but the M.2 port isn't using it due to the aforementioned > nvme drive using the same signal pins. > > It is very unhappy: > > [ 0.230455] libata version 3.00 loaded. > [ 1.039360] ahci 0000:00:17.0: version 3.0 > [ 1.039386] ahci 0000:00:17.0: forcing PORTS_IMPL to 0xff ... > It has Alpine Ridge, but I don't think there's such thing as SATA over > USB Type C. I'd guess that that what's going on is that the ahci > controller genuinely has zero ports enabled and the workaround for > port_map == 0 is firing incorrectly. Yeah, that's a workaround for very early ahci controllers. I'll think of a way to disable it for newer controllers. Filtering on ahci controller version should work. Thanks. -- tejun -- 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
