Messages in this thread | | | Date | Thu, 16 Aug 2012 23:29:12 +0100 | From | Russell King - ARM Linux <> | 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.
| |