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Groups > linux.kernel > #1434220 > unrolled thread
| Started by | Vinod Koul <vinod.koul@intel.com> |
|---|---|
| First post | 2016-06-30 06:30 +0200 |
| Last post | 2016-06-30 07:50 +0200 |
| Articles | 2 — 2 participants |
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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
| From | Vinod Koul <vinod.koul@intel.com> |
|---|---|
| Date | 2016-06-30 06:30 +0200 |
| Subject | Re: [PATCH v11 2/2] dmaengine: Add Xilinx zynqmp dma engine driver support |
| Message-ID | <rPBLY-4ZT-3@gated-at.bofh.it> |
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 -- ~Vinod
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| From | Appana Durga Kedareswara Rao <appana.durga.rao@xilinx.com> |
|---|---|
| Date | 2016-06-30 07:50 +0200 |
| Message-ID | <rPD1n-5F9-3@gated-at.bofh.it> |
| In reply to | #1434220 |
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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