Messages in this thread | | | Date | Wed, 1 Apr 2009 15:52:05 +0200 | From | Haavard Skinnemoen <> | Subject | Re: [PATCH v3 1/1] dw_dmac: add cyclic API to DW DMA driver |
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Hans-Christian Egtvedt wrote: > This patch adds a cyclic DMA interface to the DW DMA driver. This is > very useful if you want to use the DMA controller in combination with a > sound device which uses cyclic buffers. > > Using a DMA channel for cyclic DMA will disable the possibility to use > it as a normal DMA engine until the user calls the cyclic free function > on the DMA channel. Also a cyclic DMA list can not be prepared if the > channel is already active. > > Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
Acked-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
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