Re: [PATCH v3 03/18] driver core: platform: Rename platform_dma_configure()

[Christoph Hellwig]

On Mon, Dec 06, 2021 at 10:45:35AM -0400, Jason Gunthorpe via iommu wrote:
> IIRC the only thing this function does is touch ACPI and OF stuff?
> Isn't that firmware?
> 
> AFAICT amba uses this because AMBA devices might be linked to DT
> descriptions?

But DT descriptions aren't firmware.  They are usually either passed onb
the bootloader or in some deeply embedded setups embedded into the
kernel image.