[PATCH 09/16] tty: serial: 8250_dma: Add a TX trigger workaround for AM33xx | linux-arm-kernel

(off-list ancestor, not in this archive)

On 25 September 2014 17:14:03 CEST, Sebastian Andrzej Siewior [off-list ref] wrote:
* Frans Klaver | 2014-09-22 11:28:54 [+0200]:

I guess then we'd still have to answer the question why the yocto
build
calls set_termios() so often, but that's not on you then. Did you
notice
it even changing settings? We might want to fix this even if the
kernel
should be able to cope.
could you please test uart_v10_pre3? I dropped a few register sets and
delayed the register update until TX-DMA is complete. I am traveling
currently and have only my boneblack and it passes my limited testing.
If it solves your problems, too then I would address Heikki's latest
comments and prepare the final v10 (and I hope I didn't break beagle
board in between).
That'll be Monday earliest for me. 

Thanks again,
Frans
Sebastian

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