Messages in this thread | | | Date | Thu, 3 Mar 2016 21:03:23 +0530 | From | Vinod Koul <> | Subject | Re: [PATCH v3 1/4] dmaengine: xilinx_vdma: Improve SG engine handling |
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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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