On Sat, Apr 18, 2015 at 08:26:36AM -0700, Matthew Garrett wrote: > Intel publish a document on designing energy efficient SATA devices at > http://www.intel.com/content/dam/doc/reference-guide/sata-devices-implementation-recommendations.pdf > which recommends that ALPE be set, ASPE be cleared and that DIPM be enabled > on the device. Right now we have no policy that matches that - medium_power > does not enable DIPM and min_power sets ASPE. Change medium_power to > implement these recommendations, with the addition of devslp state being > inherited from the initial configuration. With luck this will provide > reasonable power savings without causing the device breakages we > occasionally see with the min_power policy. Can we add comment explaining what med_power implements and link to the above? Thanks. -- tejun -- 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