On Thu, Aug 26, 2021 at 12:45:24AM -0700, Saravana Kannan wrote:

If a parent device is also a supplier to a child device, fw_devlink=on
(correctly) delays the probe() of the child device until the probe() of
the parent finishes successfully.

However, some drivers of such parent devices (where parent is also a
supplier) incorrectly expect the child device to finish probing
successfully as soon as they are added using device_add() and before the
probe() of the parent device has completed successfully.

Please can you point at the code making this assumption. It sounds
like we are missing some EPROBE_DEFER handling in the driver, or maybe
the DSA framework.

     Andrew