[PATCH v6 3/3] dma: Add Freescale eDMA engine driver support

[Lu Jingchang-B35083]

Hi, Vinod,

  Could you please help review this patch? Could it be merged into your next tree?
  Thanks!


Best Regards,
Jingchang


> -----Original Message-----
> From: Lu Jingchang-B35083
> Sent: Wednesday, September 18, 2013 5:58 PM
> To: vinod.koul at intel.com
> Cc: shawn.guo at linaro.org; linux-kernel at vger.kernel.org; linux-arm-
> kernel at lists.infradead.org; devicetree at vger.kernel.org; Lu Jingchang-
> B35083; Wang Huan-B18965
> Subject: [PATCH v6 3/3] dma: Add Freescale eDMA engine driver support
> 
> Add Freescale enhanced direct memory(eDMA) controller support.
> The eDMA controller deploys DMAMUXs routing DMA request sources(slot)
> to eDMA channels.
> This module can be found on Vybrid and LS-1 SoCs.
> 
> Signed-off-by: Alison Wang <b18965 at freescale.com>
> Signed-off-by: Jingchang Lu <b35083 at freescale.com>
> ---
> changes in v6:
>   holding lock in dma_control to prevent race.
> 
> changes in v5:
>   config slave_id when dmaengine_slave_config intead of channel request.
>   adding residue calculation and dma pause/resume device control.
> 
> changes in v4:
>   using exact compatible string in binding document.
> 
> changes in v3:
>   handle all pending interrupt one time.
>   add protect lock on dma transfer complete handling.
>   change desc and tcd alloc flag to GFP_NOWAIT.
>   add sanity check and error messages.
> 
> changes in v2:
>   using generic dma-channels property instead of fsl,dma-channel.
>   rename the binding document to fsl-edma.txt.
> 
> 
>  Documentation/devicetree/bindings/dma/fsl-edma.txt |  84 ++
>  drivers/dma/Kconfig                                |  10 +
>  drivers/dma/Makefile                               |   1 +
>  drivers/dma/fsl-edma.c                             | 944
> +++++++++++++++++++++
>  4 files changed, 1039 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/dma/fsl-edma.txt
>  create mode 100644 drivers/dma/fsl-edma.c