Commit Graph

3 Commits

Author SHA1 Message Date
Lin Ming 8931d9ea78 ACPICA: Fix to allow region arguments to reference other scopes
Allow referenced objects to be in a different scope.

http://www.acpica.org/bugzilla/show_bug.cgi?id=937
http://marc.info/?l=linux-acpi&m=131636632718222&w=2

ACPI Error: [RAMB] Namespace lookup failure, AE_NOT_FOUND (20110112/psargs-359)
ACPI Exception: AE_NOT_FOUND, Could not execute arguments for [RAMW] (Region) (20110112/nsinit-349)

    Scope (_SB)
    {
        Name (RAMB, 0xDF5A1018)
        OperationRegion (\RAMW, SystemMemory, RAMB, 0x00010000)
    }

For above ASL code, we need to save scope node(\_SB) to lookup
the argument node(\_SB.RAMB).

Reported-by: Jim Green <student.northwestern@gmail.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2012-01-17 03:36:25 -05:00
Lin Ming da4d8b287a ACPICA: Put back the call to acpi_os_validate_address
The call to acpi_os_validate_address in acpi_ds_get_region_arguments was
removed by mistake in commit 9ad19ac(ACPICA: Split large dsopcode and
dsload.c files).

Put it back.

Cc: stable@vger.kernel.org # 2.6.38+
Reported-and-bisected-by: Luca Tettamanti <kronos.it@gmail.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2012-01-17 03:31:43 -05:00
Bob Moore 9ad19ac456 ACPICA: Split large dsopcode and dsload.c files.
Split dsopcode.c into dsargs.c and dscontrol.c.
Split dsload.c into dsload2.c.

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>
2011-03-02 19:38:05 -05:00