Re: [PATCH 7/7] arm64: dts: qcom: sdm845: enable dma for spi

Vinod Koul
2021-01-11T17:47:42Z

Hi Konrad,

On 11-01-21, 17:04, Konrad Dybcio wrote:
> Hi,
>
> looks like sdm845-cheza also uses the spi0 bus, which as far as I
> understand is going to break with the GPI DMA disabled. Perhaps it
> should also be enabled over there?

If it is working without GPI enabled, it would work.. GPI for QUP is
something that requires firmware and would have to be enabled by
firmware

> Actually, is there a point in disabling DMA for BLSPs/QUPs in the SoC
> DTSI? I don't think any platform/vendor firmware disables entire
> hosts..

Since DMA support may not be available on certain targets (firmware
support), so enabling per board would make sense

Thanks
--
~Vinod