serial: imx: drop useless member from driver data

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The wait queue was only initialized and then checked if it contains
active jobs but a job is never added. The last real user was removed
with commit 9d297239b8 ("serial: imx-serial - update UART IMX driver
to use cyclic DMA").

Further there is no need to release the lock for the check if the port
should be woken up, (and IMHO there never was) so drop the unlock/lock
pair in dma_tx_callback(), too.

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

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This commit is contained in:

Uwe Kleine-König 2017-07-18 14:01:52 +02:00 • committed by Greg Kroah-Hartman

parent f67276a0ee

commit 64432a8551

1 changed files with 1 additions and 12 deletions

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13

drivers/tty/serial/imx.c

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