From: Myron Stowe <myron.stowe@hp.com>
Date: Thu, 21 Oct 2010 20:23:59 +0000 (-0600)
Subject: ACPI: Add interfaces for ioremapping/iounmapping ACPI registers
X-Git-Tag: v2.6.37-rc1~100^2~1^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=29718521237a1b1607ea05b49243100ea2044337;p=pandora-kernel.git

ACPI: Add interfaces for ioremapping/iounmapping ACPI registers

Add remapping and unmapping interfaces for ACPI registers that are
backed by memory mapped I/O (MMIO).  These interfaces, along with
the MMIO remapping list, enable accesses of such registers from within
interrupt context.

ACPI Generic Address Structure (GAS) reference (ACPI's fixed/generic
hardware registers use the GAS format):
  ACPI Specification, Revision 4.0, Section 5.2.3.1, "Generic Address
  Structure".

Signed-off-by: Myron Stowe <myron.stowe@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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