linux-kernel - RE: [PATCH v5 3/3] dma: Add Freescale eDMA engine driver support

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Date:	Fri, 13 Sep 2013 10:19:14 +0000
From:	Lu Jingchang-B35083 <B35083@...escale.com>
To:	"vinod.koul@...el.com" <vinod.koul@...el.com>
CC:	"djbw@...com" <djbw@...com>,
	"shawn.guo@...aro.org" <shawn.guo@...aro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Wang Huan-B18965 <B18965@...escale.com>
Subject: RE: [PATCH v5 3/3] dma: Add Freescale eDMA engine driver support

Hi, Vinod,

  Could you please help review this patch? 
  Thanks!


Best Regards,
Jingchang

> -----Original Message-----
> From: Lu Jingchang-B35083
> Sent: Thursday, September 05, 2013 5:55 PM
> To: vinod.koul@...el.com
> Cc: djbw@...com; shawn.guo@...aro.org; linux-kernel@...r.kernel.org;
> linux-arm-kernel@...ts.infradead.org; devicetree@...r.kernel.org; Lu
> Jingchang-B35083; Wang Huan-B18965
> Subject: [PATCH v5 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@...escale.com>
> Signed-off-by: Jingchang Lu <b35083@...escale.com>
> ---
> 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                             | 925
> +++++++++++++++++++++
>  4 files changed, 1020 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/dma/fsl-edma.txt
>  create mode 100644 drivers/dma/fsl-edma.c
>