linux-kernel - Re: [PATCH 2/5] PCI: dwc: pci-dra7xx: make it a kernel module

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Date:   Tue, 18 May 2021 13:55:07 -0500
From:   Rob Herring <robh@...nel.org>
To:     Luca Ceresoli <luca@...aceresoli.net>
Cc:     PCI <linux-pci@...r.kernel.org>,
        linux-omap <linux-omap@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Jingoo Han <jingoohan1@...il.com>,
        Gustavo Pimentel <gustavo.pimentel@...opsys.com>
Subject: Re: [PATCH 2/5] PCI: dwc: pci-dra7xx: make it a kernel module

On Mon, May 17, 2021 at 10:41 AM Luca Ceresoli <luca@...aceresoli.net> wrote:
>
> This allows to build the driver as a loadable kernel module.

Enable building the driver as a loadable kernel module.

>
> Signed-off-by: Luca Ceresoli <luca@...aceresoli.net>
> ---
>  drivers/pci/controller/dwc/pci-dra7xx.c | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/pci/controller/dwc/pci-dra7xx.c b/drivers/pci/controller/dwc/pci-dra7xx.c
> index 6457695df00c..fe11b96fe9a5 100644
> --- a/drivers/pci/controller/dwc/pci-dra7xx.c
> +++ b/drivers/pci/controller/dwc/pci-dra7xx.c
> @@ -15,6 +15,7 @@
>  #include <linux/irqdomain.h>
>  #include <linux/kernel.h>
>  #include <linux/init.h>
> +#include <linux/module.h>
>  #include <linux/of_device.h>
>  #include <linux/of_gpio.h>
>  #include <linux/of_pci.h>
> @@ -949,4 +950,8 @@ static struct platform_driver dra7xx_pcie_driver = {
>         },
>         .shutdown = dra7xx_pcie_shutdown,
>  };
> -builtin_platform_driver(dra7xx_pcie_driver);
> +module_platform_driver(dra7xx_pcie_driver);

You need MODULE_DEVICE_TABLE() too for autoloading.

> +
> +MODULE_AUTHOR("Kishon Vijay Abraham I <kishon@...com>");
> +MODULE_DESCRIPTION("PCIe controller driver for TI DRA7xx SoCs");
> +MODULE_LICENSE("GPL v2");
> --
> 2.25.1
>