On 09/13/2012 05:12 PM, Jack Wang wrote: >> >> When scsi disk is runtime suspended, the ata port it attached to will be >> runtime suspended, and then the power will be removed through ACPI. >> >> Please check libata-acpi.c, function ata_acpi_set_state. >> >> The parent/child relationship of the devices: >> ata_host >> ata_port >> scsi_host >> scsi_target >> scsi_device >> >> If you have more questions on how it works, please send email only >> to me, other people might be too busy to read such emails :-) >> >> Thanks, >> Aaron > [Jack Wang] Thanks, but as I read code, only SATA disk will attached to ata > port, how about SAS disk or FC disk? Don't know much about SAS/FC, I guess they have their own controller. The patch only work for SATA. > > I still copy to other people as James suggested :) Sure, please do so. Thanks, Aaron -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
