--- /dev/null
+diff -urN linux-3.10/drivers/tty/serial/amba-pl011.c linux-rpi-3.10.y/drivers/tty/serial/amba-pl011.c
+--- linux-3.10/drivers/tty/serial/amba-pl011.c 2013-06-30 23:13:29.000000000 +0100
++++ linux-rpi-3.10.y/drivers/tty/serial/amba-pl011.c 2013-07-06 15:25:50.000000000 +0100
+@@ -84,7 +84,7 @@
+
+ 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;
+ }
+