at91: serial: Can't use DMA on 4.x kernels in RS-485 mode on at91sam9x5

Tue Apr 11 13:25:00 PDT 2017

On 11/04/2017 at 20:13:19 +0000, Bryan Evenson wrote:
> I checked the various branches on the linux-stable repository, and I see this commit in master and on 4.9, but I don't see it in any branches prior to that one.  Since this issue was introduced back in 4.1, I think this patch would be suitable for backporting to the 4.1 and 4.4 stable branches.  Is there something I can do to help make that happen?
> 

Indeed, the Fixes: tag doesn't have the usual format, that would explain
why.

I'll resend to stable

-- 
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com