From: Kristen Carlson Accardi <kristen@linux.intel.com>
Date: Fri, 4 Mar 2011 18:24:11 +0000 (-0800)
Subject: libata: Power off empty ports
X-Git-Tag: v3.0-rc1~375^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8a745f1f39b7a20047a362b67ce9151c07d14440;p=pandora-kernel.git

libata: Power off empty ports

Give users the option of completely powering off unoccupied
SATA ports using the existing min_power link_power_management_policy
option.  When the use selects this option on an empty port, we
will power the port off by setting DET to off.  For occupied ports,
behavior is unchanged.

Signed-off-by: Kristen Carlson Accardi <kristen@linux.intel.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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