[alsa-devel] [PATCH 06/12] imx-ssi sound driver

Sascha Hauer s.hauer at pengutronix.de
Mon Nov 23 13:13:21 CET 2009

On Mon, Nov 23, 2009 at 12:00:01PM +0000, Mark Brown wrote:
> On Sat, Nov 21, 2009 at 08:12:34PM -0600, Timur Tabi wrote:
> > Why did you write a new SSI driver when there already is one in sound/soc/fsl?
> I can't speak for Sascha here but the i.MX BSPs provided by your
> colleagues on the i.MX team also have an independant driver for the SSI
> port.  The latest public version of the Freescale i.MX code I'm aware of
> is in the recent Ubuntu kernels - I've not yet checked but I'd not be
> surprised to see substantial code sharing between Sascha's code and the
> BSP for the SSI-specific bits.
> It would be very much desirable to unify the various drivers, though I
> would prefer to avoid making this a blocker for getting i.MX3x "DMA"
> support in mainline.  Taking a brief glance through the code it looks
> like there's some platform-specifics in the drivers - the i.MX one has
> optional DMA support due to the whole SDMA issue, while the PowerPC one
> is including asm/immap_86xx.h for something.

This include seems unused. Timur, can you confirm this?


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