--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -84,7 +84,7 @@ struct vendor_data {
 
 static unsigned int get_fifosize_arm(unsigned int periphid)
 {
-	unsigned int rev = (periphid >> 20) & 0xf;
+	unsigned int rev = 0; //(periphid >> 20) & 0xf;
 	return rev < 3 ? 16 : 32;
 }
 
