serial: imx: setup fifo waterlevel before enabling aging timer

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The aging timer fires if there are characters in the RX fifo but the
water level isn't reached yet. Make sure that the waterlevel is
configured before the aging timer is enabled to trigger a DMA request
(UCR1_ATDMAEN).

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Uwe Kleine-König 2018-03-02 11:07:24 +01:00 • committed by Greg Kroah-Hartman

parent 4444dcf1fe

commit 02b0abd3bb

1 changed files with 2 additions and 2 deletions

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drivers/tty/serial/imx.c

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