On Thu, Jan 05, 2017 at 03:10:15PM +0900, Jiada Wang wrote: > Previously watermark level is configured to fifosize/2, > DMA mode can be used only when transfer length can be divided > by 'watermark level * bpw', which makes DMA mode not practical. > This patch adds new DTS property 'dma-wml', user can configure > DMA watermark level, by specify 'dma-wml' in corresponding ecspi > node. Doesn't this just move the problem around a bit - can we not have the driver figure out a more sensible watermark for each transfer rather than fixing one in the DT?
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