Re: [RFC PATCH v2 2/6] bus/cdx: add the cdx bus driver

Jason Gunthorpe
2022-08-29T15:31:56Z

On Mon, Aug 29, 2022 at 04:49:02AM +0000, Gupta, Nipun wrote:

> Devices are created in FPFGA with a CDX wrapper, and CDX controller(firmware)
> reads that CDX wrapper to find out new devices. Host driver then interacts with
> firmware to find newly discovered devices. This bus aligns with PCI infrastructure.
> It happens to be an embedded interface as opposed to off-chip connection.

Why do you need an FW in all of this?

And why do you need DT at all?

It is still not clear

Jason