Re: [PATCH] serial: imx: disable DMA for RS-485 on i.MX6 SMP

From: Fabio Estevam
Date: Fri Jun 30 2017 - 08:15:44 EST


Hi Clemens,

On Wed, Jun 21, 2017 at 11:12 AM, Fabio Estevam <festevam@xxxxxxxxx> wrote:

>> I'd also prefer fixing the underlying problem.
>
> Yes, that would be much better.

Just saw Romain's patch series that addresses several imx uart DMA issues:
http://lists.infradead.org/pipermail/linux-arm-kernel/2017-June/516845.html

If you have a chance, please give it a try to see if it helps on the
RS485 DMA case.

Regards,

Fabio Estevam