Re: [RFC RESEND] serial: 8250: fix regression in 8250 uart driver

From: dinh . linux
Date: Tue Jun 14 2016 - 11:58:23 EST


> On Mon, 2016-06-13 at 21:59 -0500, Dinh Nguyen wrote:
>> Apologies, but my original email bounced for Andy and Heikki,
>> resending.
>> ----
>
> I suppose this one, i.e. commit dd4e91d538b3 ("dmaengine: slave means at
> least one of DMA_SLAVE, DMA_CYCLIC"), solves the issue.
>

Hmm...that commit didn't seem to fix my issue.

In regard to Peter's reply:

"The error is that your dmaengine driver doesn't support the functionality
required by the 8250 driver."

Does this mean that the 8250_dw.c driver can no longer use DMA?

Dinh