serial: imx: stop using USR2 in FIFO reading loop

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The chip provides all the needed bits in the URXD0 register that we read
anyway for data, so get rid of reading USR2 and use only URXD0 bits
instead.

Signed-off-by: Sergey Organov <sorganov@gmail.com>
Link: https://lore.kernel.org/r/20230201142700.4346-7-sorganov@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Sergey Organov 2023-02-01 17:26:59 +03:00 • committed by Greg Kroah-Hartman

parent 0fbca4798a

commit 53701b6d2c

1 changed files with 6 additions and 12 deletions

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18

drivers/tty/serial/imx.c

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