[PATCH master] dma: correctly honour dma-noncoherent device tree property
Sascha Hauer
s.hauer at pengutronix.de
Mon Mar 25 02:59:15 PDT 2024
On Fri, 22 Mar 2024 15:24:24 +0100, Ahmad Fatoum wrote:
> Most barebox platforms are either completely cache-coherent with respect to
> DMA or completely non-coherent. To avoid having to walk the device tree for
> non-existent dma-coherent and dma-noncohrent properties, barebox thus
> only does this when CONFIG_OF_DMA_COHERENCY is selected.
>
> CONFIG_OF_DMA_COHERENCY is to be selected by platforms that have mixed
> coherency for DMA masters. Forgetting to select this option can be
> annoying to debug, which is why devinfo will inform the user of default
> DMA coherency assignments:
>
> [...]
Applied, thanks!
[1/1] dma: correctly honour dma-noncoherent device tree property
https://git.pengutronix.de/cgit/barebox/commit/?id=9caee28f7130 (link may not be stable)
Best regards,
--
Sascha Hauer <s.hauer at pengutronix.de>
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