On Thu, Jan 10, 2013 at 05:24:26PM +0800, Aaron Lu wrote: > When ata port is runtime suspended, it will check if the ODD attched to > it is a zero power(ZP) capable ODD and if the ZP capable ODD is in zero > power ready state. And if this is not the case, the highest acpi state > will be limited to ACPI_STATE_D3_HOT to avoid powering off the ODD. And > if the ODD can be powered off, runtime wake capability needs to be > enabled and powered_off flag will be set to let resume code knows that > the ODD was in powered off state. > > And on resume, before it is powered on, if it was powered off during > suspend, runtime wake capability needs to be disabled. After it is > recovered, the ODD is considered functional, post power on processing > like eject tray if the ODD is drawer type is done, and several ZPODD > related fields will also be reset. > > Signed-off-by: Aaron Lu <aaron...@intel.com>
Acked-by: Tejun Heo <t...@kernel.org> -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
