This is an empty patch now :) I use eSATA to test disk hot plug. With previous 3 patches applied, disk hot plug does not wok when ahci port/controller is runtime suspended. There are 2 cases we need to handle for hot plug: 1. port suspended, controller active Is IRQ need to be enabled for port to detect hot plug? 2. port suspended, controller suspended Will controller get a PME when hot plug happens? I'm still investigating hot plug support. Anyone has comment? Thanks, Lin Ming -- 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