[PATCH 0/3] dma: add support for DMA multiplexer DT nodes

Vinod Koul vinod.koul at intel.com
Wed Jun 12 19:23:49 EST 2013


On Thu, Jun 06, 2013 at 05:47:22PM +0200, Guennadi Liakhovetski wrote:
> Next re-send of an earlier work. This series adds support for multiple 
> compatible DMAC instances, capable of serving the same DMA slaves. 
> Currently to specify such a configuration in DT, slaves would have to add 
> DMA tuples for each requested channel for each suitable DMAC. This 
> needlessly clutters the Device Tree. Instead we group such DMAC DT nodes 
> together under a common parent. Then slaves can just reference that parent 
> in their DMA bindings.
> 
> Cc: Guennadi Liakhovetski <g.liakhovetski+renesas at gmail.com>
wasnt this series Acked by Anrd previosuly.

Neverthless, Anrd do you mind reviwing this

--
~Vinod
> 
> Guennadi Liakhovetski (3):
>   OF: add a new phandle parsing function for grouped nodes
>   dmaengine: add support for DMA multiplexer DT nodes
>   DMA: shdma: add DT support
> 
>  Documentation/devicetree/bindings/dma/dma.txt |   44 +++++++++++++++++++++
>  drivers/dma/of-dma.c                          |   31 +++++++++++----
>  drivers/dma/sh/shdma-base.c                   |   51 ++++++++++++++++++++++---
>  drivers/dma/sh/shdma.c                        |   44 ++++++++++++++++++---
>  drivers/of/base.c                             |   28 ++++++++++++-
>  include/linux/of.h                            |   16 ++++++++
>  include/linux/shdma-base.h                    |    5 ++
>  7 files changed, 196 insertions(+), 23 deletions(-)
> 
> -- 
> 1.7.2.5
> 
> Thanks
> Guennadi
> ---
> Guennadi Liakhovetski, Ph.D.
> Freelance Open-Source Software Developer
> http://www.open-technology.de/

-- 


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