Dear Tejun, > Justing, the solution doesn't seem to work. Have you guys verified > that the controller doesn't send the second H2D regsiter FIS clearing > SRST w/ 20us delay? If you guys did, the patch needs to make into > tree whether it helps this particular case or not. If not, I think > it's best to leave it alone. Sure , we did it. the hotplug problem happened on some sata enclosure but It sounds like for particular case. Thanks. - 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