From: Lin Ming <ming.m.lin@intel.com>
Date: Wed, 18 Apr 2012 01:29:47 +0000 (+0800)
Subject: libata: forbid port runtime pm by default, fixing regression
X-Git-Tag: v3.4-rc4~32^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0c8d32c27f5cf6e14ca14b4758d1e994eebd50fd;p=pandora-kernel.git

libata: forbid port runtime pm by default, fixing regression

Forbid port runtime pm by default because it has known hotplug issue.
User can allow it by, for example

echo auto > /sys/devices/pci0000:00/0000:00:1f.2/ata2/power/control

Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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