API to flush rx fifo?

[Grant Edwards <grant.b.edwards@xxxxxxxxx>]

I see the uart_ops.flush_buffer method which is used to flush the
UART's tx fifo (presumably when the user calls tcflush(TCOFLUSH)).

How does the rx fifo get flushed when the user calls tcflush(TCIFLUSH)?

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Grant Edwards               grant.b.edwards        Yow! I'm shaving!!
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