From: Bob Moore <robert.moore@intel.com>
Date: Wed, 18 Feb 2009 07:10:07 +0000 (+0800)
Subject: ACPICA: Optimize ACPI register locking
X-Git-Tag: v2.6.30-rc1~199^2~48
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9892dd23cbbfab1f7d4818622296e415979a9c77;p=pandora-kernel.git

ACPICA: Optimize ACPI register locking

Removed locking for reads from the ACPI bit registers in PM1
Status, Enable, Control, and PM2 Control. The lock is not required
when reading the single-bit registers. The acpi_get_register_unlocked
function is no longer needed and has been removed. This will
improve performance for reads on these registers.  ACPICA BZ 760.

http://www.acpica.org/bugzilla/show_bug.cgi?id=760

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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