linux-kernel - Re: [PATCH v6 2/9] PCI: endpoint: Pass EPF device ID to the probe function

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Message-ID: <20230623201458.GA201342@bhelgaas>
Date:   Fri, 23 Jun 2023 15:14:58 -0500
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc:     lpieralisi@...nel.org, kw@...ux.com, kishon@...nel.org,
        bhelgaas@...gle.com, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        dlemoal@...nel.org
Subject: Re: [PATCH v6 2/9] PCI: endpoint: Pass EPF device ID to the probe
 function

On Fri, Jun 02, 2023 at 05:17:49PM +0530, Manivannan Sadhasivam wrote:
> Currently, the EPF probe function doesn't get the device ID argument needed
> to correctly identify the device table ID of the EPF device.
> ...

> +++ b/drivers/pci/endpoint/functions/pci-epf-ntb.c
> @@ -2075,11 +2075,12 @@ static struct config_group *epf_ntb_add_cfs(struct pci_epf *epf,
>  /**
>   * epf_ntb_probe() - Probe NTB function driver
>   * @epf: NTB endpoint function device
> + * @id: NTB endpoint function device ID
>   *
>   * Probe NTB function driver when endpoint function bus detects a NTB
>   * endpoint function.
>   */
> -static int epf_ntb_probe(struct pci_epf *epf)
> +static int epf_ntb_probe(struct pci_epf *epf, const struct pci_epf_device_id *id)
> ...

> +++ b/drivers/pci/endpoint/functions/pci-epf-vntb.c
> @@ -1401,7 +1401,7 @@ static struct pci_epf_ops epf_ntb_ops = {

>   *
>   * Returns: Zero for success, or an error code in case of failure
>   */
> -static int epf_ntb_probe(struct pci_epf *epf)
> +static int epf_ntb_probe(struct pci_epf *epf, const struct pci_epf_device_id *id)

I updated the pci/endpoint branch to add kernel-doc for the new "id",
same as you did in pci-epf-ntb.c.

Just FYI, Lorenzo & Krzysztof -- hopefully there are no more updates
before the merge window, but if you do add anything to this branch,
update it first.

Bjorn