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-rw-r--r--include/acpi/acmacros.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/acpi/acmacros.h b/include/acpi/acmacros.h
index 192fa095a51..9b2e4d7154a 100644
--- a/include/acpi/acmacros.h
+++ b/include/acpi/acmacros.h
@@ -55,6 +55,7 @@
#define ACPI_SET_BIT(target,bit) ((target) |= (bit))
#define ACPI_CLEAR_BIT(target,bit) ((target) &= ~(bit))
#define ACPI_MIN(a,b) (((a)<(b))?(a):(b))
+#define ACPI_MAX(a,b) (((a)>(b))?(a):(b))
/* Size calculation */