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-rw-r--r--include/acpi/actypes.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index ad77c613c743..f3b29fa5654e 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -713,8 +713,10 @@ typedef u8 acpi_adr_space_type;
#define ACPI_ADR_SPACE_PCI_BAR_TARGET (acpi_adr_space_type) 6
#define ACPI_ADR_SPACE_IPMI (acpi_adr_space_type) 7
+#define ACPI_NUM_PREDEFINED_REGIONS 8
+
/*
- * Special region types
+ * Special Address Spaces
*
* Note: A Data Table region is a special type of operation region
* that has its own AML opcode. However, internally, the AML