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--- 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; }