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RE: [PATCH v11 2/2] dmaengine: Add Xilinx zynqmp dma engine driver support

From Appana Durga Kedareswara Rao <appana.durga.rao@xilinx.com>
Newsgroups linux.kernel
Subject RE: [PATCH v11 2/2] dmaengine: Add Xilinx zynqmp dma engine driver support
Date 2016-06-30 07:50 +0200
Message-ID <rPD1n-5F9-3@gated-at.bofh.it> (permalink)
References <rIadP-8fh-11@gated-at.bofh.it> <rIadP-8fh-9@gated-at.bofh.it> <rPBLY-4ZT-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Hi Vinod,

> 
> On Thu, Jun 09, 2016 at 09:07:47PM +0530, Kedareswara rao Appana wrote:
> 
> > +	dma_set_mask(&pdev->dev, DMA_BIT_MASK(44));
> > +	dma_cap_set(DMA_SG, zdev->common.cap_mask);
> > +	dma_cap_set(DMA_MEMCPY, zdev->common.cap_mask);
> 
> >  /**
> > + * struct zynqmp_dma_config - ZYNQMP DMA Configuration structure
> > + * @ovrfetch: Overfetch status
> > + * @has_sg: Support scatter gather transfers
> > + * @ratectrl: Rate control value
> > + * @src_issue: Out standing transactions on source
> > + * @src_burst_len: Source burst length
> > + * @dst_burst_len: Dest burst length
> > + */
> 
> As discussed in other thread as well, this is no-go for memcpy. Please come back
> after removing this
> 
> For slave usages use the dma_slave_config

Sure will fix in the next version...

Regards,
Kedar.

> 
> --
> ~Vinod

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Re: [PATCH v11 2/2] dmaengine: Add Xilinx zynqmp dma engine driver  support Vinod Koul <vinod.koul@intel.com> - 2016-06-30 06:30 +0200
  RE: [PATCH v11 2/2] dmaengine: Add Xilinx zynqmp dma engine driver  support Appana Durga Kedareswara Rao <appana.durga.rao@xilinx.com> - 2016-06-30 07:50 +0200

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