linux-kernel - Re: [PATCH 00/11] ARM: PrimeCell DMA Interface v5

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Date:	Wed, 7 Apr 2010 16:45:54 -0700
From:	Dan Williams <dan.j.williams@...el.com>
To:	Linus Walleij <linus.walleij@...ricsson.com>
Cc:	akpm@...ux-foundation.org,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Grant Likely <grant.likely@...retlab.ca>,
	linux-arm-kernel@...ts.infradead.org, linux-mmc@...r.kernel.org,
	STEricsson_nomadik_linux@...t.st.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 00/11] ARM: PrimeCell DMA Interface v5

Hi Linus, back online now.

On Wed, Apr 7, 2010 at 4:12 PM, Linus Walleij
<linus.walleij@...ricsson.com> wrote:
> This is the fifth iteration of this ever growing patch set
> for PrimeCell DMA support, reposting the entire series.
>
> This now depend on stuff pending in Dan Williams async_tx
> (DMA Devices/Engine) tree and Andrew Mortons tree where
> the new DMA40 driver for U8500 is queued.
>
> I suggest putting these into Andrews tree now, since:
>
> A) 4 of the patches it touches MMCI code which is hanled
>   by Andrew
>

Ok, but it looks like they do not have a build dependency on dma bits
so they could be merged separately i.e. on top of the async_tx branch.

> B) It extends the DMA40 driver which is now pending in
>   his tree as well.
>
> C) Since there doesn't seem to be any consensus of whether
>   this is the right way forward, it needs some wider
>   testing I believe.

No consensus with respect to which pieces, the Primecell driver or
something outside of drivers/dma?  Forgive me for missing recent
conversations if this has been discussed to death already.

> OK?

I can go ahead and queue up the dma bits unless you would prefer, and
Andrew agrees, to take this all through the -mm tree?

--
Dan
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