The function size_fifo wants to backup the FCR register by reading it, but it is a write-only register. A read to this adress returns the IIR register. The size_fifo function is only used during autoconfig, and after autoconfig the FIFO are cleared and deactivated, so we don't need to save FCR. Signed-off-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@xxxxxxxxxxx> ________________________________________________ Message sent using UebiMiau 2.7.9 - To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
