> -----Original Message----- > From: Vinod Koul [mailto:vinod.koul@xxxxxxxxx] > Sent: Thursday, March 03, 2016 9:03 PM > To: Appana Durga Kedareswara Rao > Cc: dan.j.williams@xxxxxxxxx; Michal Simek; Soren Brinkmann; Appana Durga > Kedareswara Rao; moritz.fischer@xxxxxxxxx; > laurent.pinchart@xxxxxxxxxxxxxxxx; luis@xxxxxxxxxxxxxxxxx; Anirudha > Sarangi; dmaengine@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; > linux-kernel@xxxxxxxxxxxxxxx > Subject: Re: [PATCH v3 1/4] dmaengine: xilinx_vdma: Improve SG engine > handling > > 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 Thanks ... Will fix next time onwards... Regards, Kedar. > > -- > ~Vinod -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
