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-rw-r--r--include/asm-ia64/sn/acpi.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/asm-ia64/sn/acpi.h b/include/asm-ia64/sn/acpi.h
index 2850a7ef5e71..9ce2801cbd57 100644
--- a/include/asm-ia64/sn/acpi.h
+++ b/include/asm-ia64/sn/acpi.h
@@ -11,6 +11,7 @@
#include "acpi/acglobal.h"
-#define SN_ACPI_BASE_SUPPORT() (acpi_gbl_DSDT->oem_revision >= 0x20101)
+extern int sn_acpi_rev;
+#define SN_ACPI_BASE_SUPPORT() (sn_acpi_rev >= 0x20101)
#endif /* _ASM_IA64_SN_ACPI_H */
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