[PATCH 09/16] tty: serial: 8250_dma: Add a TX trigger workaround for AM33xx

Frans Klaver fransklaver at gmail.com
Thu Sep 25 08:18:15 PDT 2014


On 25 September 2014 17:14:03 CEST, Sebastian Andrzej Siewior <bigeasy at linutronix.de> 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
>
>_______________________________________________
>linux-arm-kernel mailing list
>linux-arm-kernel at lists.infradead.org
>http://lists.infradead.org/mailman/listinfo/linux-arm-kernel





More information about the linux-arm-kernel mailing list