Re: [PATCH 2/2] DMAENGINE: driver for the ARM PL080/PL081 PrimeCells

From: Dan Williams
Date: Wed Aug 04 2010 - 17:52:57 EST


On Wed, Jul 28, 2010 at 4:12 PM, Linus Walleij
<linus.ml.walleij@xxxxxxxxx> wrote:
> 2010/7/28 Dan Williams <dan.j.williams@xxxxxxxxx>:
>>> +       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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