Re: [PATCH v4 2/2] tty: imx serial: Implement support for reversing TX and RX polarity

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On Wed, Feb 26, 2020 at 04:23:19PM -0600, George Hilliard wrote:
> The peripheral has support for inverting its input and/or output
> signals.  This is useful if the hardware flips polarity of the
> peripheral's signal, such as swapped +/- pins on an RS-422 transceiver,
> or an inverting level shifter.  Add support for these control registers
> via the device tree binding.
> 
> As part of this change, make the writes of the various registers more
> uniform by moving the UCR3 block up near the other registers' blocks,
> since the INVT bit must be set before enabling the peripheral.
> 
> Signed-off-by: George Hilliard <ghilliard@xxxxxxxxxxxxxxx>

LGTM,

Acked-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>

Thanks
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |



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