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-rw-r--r--drivers/acpi/acpica/acconfig.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/acconfig.h b/drivers/acpi/acpica/acconfig.h
index f467d49c1ace..4925aa5817f4 100644
--- a/drivers/acpi/acpica/acconfig.h
+++ b/drivers/acpi/acpica/acconfig.h
@@ -123,6 +123,10 @@
#define ACPI_MAX_SLEEP 2000 /* Two seconds */
+/* Address Range lists are per-space_id (Memory and I/O only) */
+
+#define ACPI_ADDRESS_RANGE_MAX 2
+
/******************************************************************************
*
* ACPI Specification constants (Do not change unless the specification changes)
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