Messages in this thread | | | Date | Thu, 5 Jan 2017 17:58:54 +0000 | From | Mark Brown <> | Subject | Re: [PATCH 1/1] spi: imx: support to set watermark level via DTS |
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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? [unhandled content-type:application/pgp-signature] | |