[PATCH] ARM: dts: bcm283x: Unify CMA configuration
f.fainelli at gmail.com
Wed Jan 15 15:40:50 PST 2020
On Fri, 10 Jan 2020 18:29:35 +0100, Nicolas Saenz Julienne <nsaenzjulienne at suse.de> wrote:
> With the introduction of the Raspberry Pi 4 we were forced to explicitly
> configure CMA's location, since arm64 defaults it into the ZONE_DMA32
> memory area, which is not good enough to perform DMA operations on that
> device. To bypass this limitation a dedicated CMA DT node was created,
> explicitly indicating the acceptable memory range and size.
> That said, compatibility between boards is a must on the Raspberry Pi
> ecosystem so this creates a common CMA DT node so as for DT overlays to
> be able to update CMA's properties regardless of the board being used.
> Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne at suse.de>
Applied to devicetree/next, thanks!
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