diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c
index d3bcfe590384..9d929fbfc46b 100644
--- a/arch/powerpc/platforms/powermac/feature.c
+++ b/arch/powerpc/platforms/powermac/feature.c
@@ -1174,7 +1174,7 @@ core99_usb_enable(struct device_node *node, long param, long value)
 				mdelay(1);
 				status0 = UN_IN(UNI_N_CLOCK_STOP_STATUS0);
 				status1 = UN_IN(UNI_N_CLOCK_STOP_STATUS1);
-			} while ((status0 & test0) | (status1 & test1));
+			} while ((status0 & test0) || (status1 & test1));
 			LOCK(flags);
 		}
 	} else {