[PATCH 2/3] drm/etnaviv: Don't ignore errors on getting clocks

[Fabio Estevam]

On Wed, May 13, 2020 at 2:09 PM Fabio Estevam <festevam at gmail.com> wrote:

> The binding doc Documentation/devicetree/bindings/gpu/vivante,gc.yaml
> says that only the 'reg' clock could be optional, the others are
> required.

arch/arm/boot/dts/dove.dtsi only uses the 'core' clock.
arch/arm/boot/dts/stm32mp157.dtsi uses 'bus' and 'core'

Maybe the binding needs to be updated and it seems that using
devm_clk_get_optional() like you propose is safe.