linux-kernel - Re: [PATCH] mtd: onenand: omap2: Simplify the DMA setup for various paths

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Message-ID: <20151218223929.GS10460@google.com>
Date:	Fri, 18 Dec 2015 14:39:29 -0800
From:	Brian Norris <computersforpeace@...il.com>
To:	Peter Ujfalusi <peter.ujfalusi@...com>
Cc:	kyungmin.park@...sung.com, dwmw2@...radead.org,
	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-omap@...r.kernel.org, Tony Lindgren <tony@...mide.com>
Subject: Re: [PATCH] mtd: onenand: omap2: Simplify the DMA setup for various
 paths

On Fri, Dec 18, 2015 at 09:48:09PM +0200, Peter Ujfalusi wrote:
> On 12/18/2015 08:11 PM, Brian Norris wrote:
> > Peter, are you actually using this, or are you just refactoring for the
> > fun of it?
> 
> Not really for fun, but I want to get rid of all legacy/direct sDMA use so at
> the end we will have omap_start_dma() visible in two files:
> arch/arm/plat-omap/dma.c
> drivers/dma/omap-dma.c
> 
> from there it will be possible to get rid of the plat-omap code. This onenand
> driver was the first in the 'git grep omap_start_dma' result ;)

OK, well killing broken DMA support altogether might make more sense,
and deleting an entire driver would be even better. Of course, having a
real tester would be nice too. I'll wait on Tony/Aaro.

Brian
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