On Thu, Jul 24, 2014 at 04:35:28PM +0800, Nicolin Chen wrote: > SDMA supports device to device (per_2_per) scripts to handle DMA transfering > between two peripheral devices. The per_2_per script, however, needs two dma > requests from two sides while the current structure only defined one request. > > So this patch just simply adds the secondary request so as to let SDMA and > its user to add its implementation later. > > [ Both change in the SDMA driver and its users like Freescale ASRC ASoC driver > should be taken along with this change in order to truly support per_2_per > sciprts. However, we here make an expediency by adding this first so that > we can add either side later since this patch won't break any function and > meanwhile it can make merge window more smoothly: we don't need to apply the > change inside dmaengine branch via ASoC tree any more. -- Nicolin ] > > Signed-off-by: Nicolin Chen <nicoleotsuka@xxxxxxxxx> Acked-by: Shawn Guo <shawn.guo@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
