Mark Miesfeld wrote: > Hi, > > I wonder if someone could give me a broad outline of what is needed to > add port multiplier support to a low-level SATA device driver through > libata in a 2.6.26 kernel. > > I'm working on a driver for a new SOC (460EX) that AMCC has. The chip > has support for SATA and support for port multipliers through > command-based switching. > > For our in-house validation boards I have the driver working on a > 2.6.19 kernel and implemented the port multiplier support within the > driver itself since libata didn't yet have port multiplier support. > > Our customer evaluation boards (Canyonlands) are using a 2.6.26 > kernel. Stefan Roese at DENX has ported the 2.6.19 driver to 2.6.26 > but without port multiplier support. In 2.6.26 the libata port > multiplier support looks pretty good, I was hoping I can add the > support to the 2.6.26 driver fairly easily by going through libata. > > What basic steps should I take? The following thread should help. http://thread.gmane.org/gmane.linux.ide/24799 -- 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
