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

[Fabio Estevam]

Hi Gavin,

On Fri, Jun 23, 2017 at 6:26 AM, Schenk, Gavin <G.Schenk@xxxxxxxxxxxx> wrote:

> Uwe Kleine-KÃnig had the idea to disable DMA on the i.MX6dl based platform via dts and this is our current workaround.

Please test Ian's patch:
http://marc.info/?l=linux-serial&m=150005865213531&w=2

It should fix this DMA problem with RS485.