Messages in this thread | | | From | Fabio Estevam <> | Date | Wed, 21 Jun 2017 11:12:23 -0300 | Subject | Re: [PATCH] serial: imx: disable DMA for RS-485 on i.MX6 SMP |
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Hi Clemens,
On Wed, Jun 21, 2017 at 11:05 AM, Clemens Gruber <clemens.gruber@pqgruber.com> wrote: > > I'd also prefer fixing the underlying problem.
Yes, that would be much better.
> If you take a look at the DMA parts in drivers/tty/serial/imx.c, can you > spot anything SMP-unsafe?
Not really.
> By the way, can you get your hands on an i.MX6Q board with RS-485 to > reproduce it?
Unfortunately I don't have such hardware. Even the mx6solo board that I used to have access in the past I do not have it anymore.
> We could try for a few more weeks to find the bug and if we don't find > it, adding this rs485-enabled-at-boot-time property sounds good!
Sounds like a good plan, thanks.
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