From: Tejun Heo <htejun@gmail.com>
Date: Sun, 23 Mar 2008 12:05:15 +0000 (+0900)
Subject: libata: improve HPA error handling
X-Git-Tag: v2.6.25-rc7~10^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dda7aba119536084d082cd11d4781fe15d7355f2;p=pandora-kernel.git

libata: improve HPA error handling

There's no point in retrying and eventually failing device detection
when the device rejects READ_NATIVE_MAX[_EXT].  Disable HPA unlocking
if READ_NATIVE_MAX[_EXT] is rejected as done when SET_MAX[_EXT] is
rejected.

This allows some old drives to work even if they aren't blacklisted.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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