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-rw-r--r--include/acpi/acconfig.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/acpi/acconfig.h b/include/acpi/acconfig.h
index 12a5996da67c..101d5fef6b21 100644
--- a/include/acpi/acconfig.h
+++ b/include/acpi/acconfig.h
@@ -191,6 +191,7 @@
/* Maximum space_ids for Operation Regions */
#define ACPI_MAX_ADDRESS_SPACE 255
+#define ACPI_NUM_DEFAULT_SPACES 4
/* Array sizes. Used for range checking also */