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? Thanks. -- Mark Miesfeld -- 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
