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Date: Wed, 4 Aug 2010 14:52:46 -0700
Message-ID: <AANLkTimPAeupEKwksBKOyWX8K+wHgmgc5vEJ8cXBsQtD@mail.gmail.com>
Subject: Re: [PATCH 2/2] DMAENGINE: driver for the ARM PL080/PL081 PrimeCells
From: Dan Williams <dan.j.williams@intel.com>
To: Linus Walleij <linus.ml.walleij@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        yuanyabin1978@sina.com, Peter Pearse <peter.pearse@arm.com>,
        Ben Dooks <ben-linux@fluff.org>, Kukjin Kim <kgene.kim@samsung.com>,
        Alessandro Rubini <rubini@unipv.it>,
        Viresh Kumar <viresh.kumar@st.com>,
        Russell King <rmk@arm.linux.org.uk>
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On Wed, Jul 28, 2010 at 4:12 PM, Linus Walleij
<linus.ml.walleij@gmail.com> wrote:
> 2010/7/28 Dan Williams <dan.j.williams@intel.com>:
>>> + ? ? ? txd = kzalloc(sizeof(struct pl08x_txd), GFP_KERNEL);
>>
>> ...appears in the prep routines. ?Will this driver be used by any
>> storage controllers on the platfom? ?Might we deadlock waiting on i/o
>> that needs to allocate a descriptor to complete?
>
> I haven't noticed anything but a descriptor pool is on my
> list of things to look into and fix.

If there is a list of things to fix and no acked-by's from anyone on
the cc list I assume you want to wait for 2.6.37??  I'm sending the
dmaengine/async_tx pull request this Friday.

--
Dan
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