[PATCH] arm64: dts: ls1043a: Add 'dma-coherent' for ls1043a PCI nodes

[Scott Wood]

On 06/07/2016 02:06 AM, Liu Gang wrote:
> The 'dma-coherent' indicates that the hardware IP block can ensure
> the coherency of the data transferred from/to the IP block. This
> can avoid the software cache flush/invalid actions, and improve
> the performance significantly.
> 
> The PCI IP block of ls1043a has this capability, so adding this
> feature to improve the PCI performance.
> 
> Signed-off-by: Liu Gang <Gang.Liu at nxp.com>
> ---
>  arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi | 3 +++
>  1 file changed, 3 insertions(+)

Why not ls2080a as well?
What about non-PCI devices?

Pretty much everything on these chips should be coherent as long as it's
properly configured.

-Scott