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Date: Thu, 16 Aug 2012 23:29:12 +0100 From: Russell King - ARM Linux <linux@....linux.org.uk> To: Matt Porter <mporter@...com> Cc: vinod.koul@...el.com, dan.j.williams@...el.com, cjb@...top.org, grant.likely@...retlab.ca, Linux DaVinci Kernel List <davinci-linux-open-source@...ux.davincidsp.com>, Sekhar Nori <nsekhar@...com>, Linux MMC List <linux-mmc@...r.kernel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Linux SPI Devel List <spi-devel-general@...ts.sourceforge.net>, Linux ARM Kernel List <linux-arm-kernel@...ts.infradead.org> Subject: Re: [PATCH 1/3] dmaengine: add TI EDMA DMA engine driver On Thu, Aug 16, 2012 at 05:44:29PM -0400, Matt Porter wrote: > Add a DMA engine driver for the TI EDMA controller. This driver > is implemented as a wrapper around the existing DaVinci private > DMA implementation. This approach allows for incremental conversion > of each peripheral driver to the DMA engine API. The EDMA driver > supports slave transfers but does not yet support cyclic transfers. Have you looked at the virt-dma support? That should allow you to avoid some common errors, like forgetting that stuff submitted but not issued should not be started even if the channel is currently running. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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