1 files changed, 4 insertions, 1 deletions

diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c
index 28ad50e424a9..7a685cae81ed 100644
--- a/arch/powerpc/kernel/legacy_serial.c
+++ b/arch/powerpc/kernel/legacy_serial.c
@@ -43,7 +43,10 @@ static int __init add_legacy_port(struct device_node *np, int want_index,
 
         /* get clock freq. if present */
         clk = (u32 *)get_property(np, "clock-frequency", NULL);
-        clock = clk ? *clk : BASE_BAUD * 16;
+        if (clk && *clk)
+                clock = *clk;
+        else
+                clock = BASE_BAUD * 16;
 
         /* get default speed if present */
         spd = (u32 *)get_property(np, "current-speed", NULL);