Re: [PATCH 15/15] tty: serial: 8250: omap: add dma support

From: Felipe Balbi
Date: Fri Aug 29 2014 - 11:56:32 EST


On Fri, Aug 29, 2014 at 11:32:36AM +0200, Sebastian Andrzej Siewior wrote:
> On 08/29/2014 12:54 AM, Tony Lindgren wrote:
> > * Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> [140828 12:37]:
> >> On 08/28/2014 06:46 PM, Tony Lindgren wrote:
> >>>
> >>> Sounds like there should be some way to clear that state.. I wonder
> >>> if omap-serial.c had something before it's DMA support was removed?
> >>
> >> Its DMA was removed? Like there was DMA support?
> >
> > Yeah see commit 494574304711a333386e7dd5fd3ebbc3b7024994...
>
> Interesting. I've been browsing that file and checking other trees and
> never noticed that it was there at some point. I only saw the pieces
> which looked it was there.

it was known to be broken and unused. There was no way to even enable
that code.

--
balbi

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