Re: [PATCH 07/22] RDMA/irdma: Register an auxiliary driver and implement private channel OPs

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On Fri, Jan 22, 2021 at 05:48:12PM -0600, Shiraz Saleem wrote:

> +static int irdma_probe(struct auxiliary_device *aux_dev,
> +		       const struct auxiliary_device_id *id)
> +{
> +	struct irdma_drvdata *drvdata;
> +	int ret;
> +
> +	drvdata = kzalloc(sizeof(*drvdata), GFP_KERNEL);
> +	if (!drvdata)
> +		return -ENOMEM;
> +
> +	switch (id->driver_data) {
> +	case IRDMA_GEN_2:
> +		drvdata->init_dev = irdma_init_dev;
> +		drvdata->deinit_dev = irdma_deinit_dev;
> +		break;
> +	case IRDMA_GEN_1:
> +		drvdata->init_dev = i40iw_init_dev;
> +		drvdata->deinit_dev = i40iw_deinit_dev;
> +		break;
> +	default:
> +		ret = -ENODEV;
> +		goto ver_err;

Also don't do this, if the drivers are so different then give them
different aux bus names and bind two drivers with the different
flow.

I suppose the old i40e can keep its weird registration thing, but ice
should not duplicate that, new code must use aux devices properly, as
in my other email.

Jason



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