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SubjectRe: [PATCH v11 0/2] Add support for the Allwinner A31 DMA Controller
On Thu, 24 Jul 2014 14:13:15 +0200 Maxime Ripard <> wrote:

> On Thu, Jul 17, 2014 at 09:46:14PM +0200, Maxime Ripard wrote:
> > Hi,
> >
> > This patchset adds support for the DMA controller found in the
> > Allwinner A31 and A23 SoCs.
> >
> > This has been tested using the newly introduced SPI driver on an A31
> > EVK. Support for DMA-driven SPI transfers will be the subject of
> > another patch serie.
> >
> > This has been around for around 5 monthes now, and didn't get any
> > review but nitpicks for three versions, so I feel like it could be
> > merged quite quickly.
> Ok, so, who should I bribe to get this merged?

Turns out I'm easily bribed. The code looks pretty clean and simple
and is refreshingly free of comments, which only confuse people anyway.

I think we could do this as a single patch - is there any benefit to
splitting it apart like this?

The combinations of spin_lock()/spin_lock_irq() and spin_lock_irqsave()
are a bit scary - it's easy to get these optimisations wrong. Has it
been thoroughly tested with lockdep enabled?

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