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-rw-r--r--include/asm-powerpc/serial.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-powerpc/serial.h b/include/asm-powerpc/serial.h
index 6dc9546d690..3e8589b43cb 100644
--- a/include/asm-powerpc/serial.h
+++ b/include/asm-powerpc/serial.h
@@ -15,6 +15,10 @@
/* Default baud base if not found in device-tree */
#define BASE_BAUD ( 1843200 / 16 )
+#ifdef CONFIG_PPC_UDBG_16550
extern void find_legacy_serial_ports(void);
+#else
+#define find_legacy_serial_ports() do { } while (0)
+#endif
#endif /* _PPC64_SERIAL_H */