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

Lu Jingchang-B35083
2013-10-10T09:39:13Z

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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@intel.com
> Cc: shawn.guo@linaro.org; linux-kernel@vger.kernel.org; linux-arm-
> kernel@lists.infradead.org; devicetree@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@freescale.com>
> Signed-off-by: Jingchang Lu <b35083@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