Re: [PATCH 3/3] libata: Change medium_power LPM policy to match Intel recommendations

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 t

[PATCH 3/3] libata: Change medium_power LPM policy to match Intel recommendations

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 mat