On Fri, 27 Dec 2024 15:42:23 +0000, Dragan Simic <dsimic@xxxxxxxxxxx> wrote: > > The preferred way to denote hardware with non-coherent DMA is to use the > "dma-noncoherent" DT property, at both the GIC redistributor and the GIC ITS > levels, [1] instead of relying on the compatibles to handle hardware errata, > in this case the Rockchip 3588001 errata. [2] > > Let's have the preferred way employed in the base Rockchip RK3588 SoC dtsi, > which also goes along with adding initial support for the Rockchip RK3582 SoC > variant, with its separate compatible. [2][3] > > [1] Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.yaml > [2] https://lore.kernel.org/linux-rockchip/86msgoozqa.wl-maz@xxxxxxxxxx/ > [3] https://lore.kernel.org/linux-rockchip/20241222030355.2246-4-naoki@xxxxxxxxx/ > > Cc: Marc Zyngier <maz@xxxxxxxxxx> > Cc: FUKAUMI Naoki <naoki@xxxxxxxxx> > Signed-off-by: Dragan Simic <dsimic@xxxxxxxxxxx> Acked-by: Marc Zyngier <maz@xxxxxxxxxx> M. -- Without deviation from the norm, progress is not possible.