From 8931d9ea78848b073bf299594f148b83abde4a5e Mon Sep 17 00:00:00 2001 From: Lin Ming Date: Mon, 28 Nov 2011 09:46:02 +0800 Subject: 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 Signed-off-by: Lin Ming Signed-off-by: Bob Moore Signed-off-by: Len Brown --- drivers/acpi/acpica/excreate.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/acpi/acpica/excreate.c') diff --git a/drivers/acpi/acpica/excreate.c b/drivers/acpi/acpica/excreate.c index 110711afada8..8a06dc523af7 100644 --- a/drivers/acpi/acpica/excreate.c +++ b/drivers/acpi/acpica/excreate.c @@ -330,6 +330,12 @@ acpi_ex_create_region(u8 * aml_start, region_obj2 = obj_desc->common.next_object; region_obj2->extra.aml_start = aml_start; region_obj2->extra.aml_length = aml_length; + if (walk_state->scope_info) { + region_obj2->extra.scope_node = + walk_state->scope_info->scope.node; + } else { + region_obj2->extra.scope_node = node; + } /* Init the region from the operands */ -- cgit v1.2.3