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Groups > linux.kernel > #1349287
| From | Vinod Koul <vinod.koul@intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v3 1/4] dmaengine: xilinx_vdma: Improve SG engine handling |
| Date | 2016-03-03 16:30 +0100 |
| Message-ID | <r8Dmr-ux-37@gated-at.bofh.it> (permalink) |
| References | <r6rfH-4re-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, Feb 26, 2016 at 07:33:51PM +0530, Kedareswara rao Appana wrote: > The current driver allows user to queue up multiple segments > on to a single transaction descriptor. User will submit this single desc > and in the issue_pending() we decode multiple segments and submit to SG HW engine. > We free up the allocated_desc when it is submitted to the HW. > > Existing code prevents the user to prepare multiple trasactions at same time as > we are overwrite with the allocated_desc. > > The best utilization of HW SG engine would happen if we collate the pending > list when we start dma this patch updates the same. Applied all. It is usually advisable to do cover letter using --cover-letter for multi patch series -- ~Vinod
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[PATCH v3 1/4] dmaengine: xilinx_vdma: Improve SG engine handling Kedareswara rao Appana <appana.durga.rao@xilinx.com> - 2016-02-26 15:10 +0100
[PATCH v3 2/4] dmaengine: xilinx_vdma: Simplify spin lock handling Kedareswara rao Appana <appana.durga.rao@xilinx.com> - 2016-02-26 15:10 +0100
Re: [PATCH v3 1/4] dmaengine: xilinx_vdma: Improve SG engine handling Vinod Koul <vinod.koul@intel.com> - 2016-03-03 16:30 +0100
RE: [PATCH v3 1/4] dmaengine: xilinx_vdma: Improve SG engine handling Appana Durga Kedareswara Rao <appana.durga.rao@xilinx.com> - 2016-03-03 17:30 +0100
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