linux-kernel - Re: [PATCH -next] USB: EHCI: ehci-mv: add missing MODULE_DEVICE

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Date:   Wed, 12 May 2021 11:08:47 -0400
From:   Alan Stern <stern@...land.harvard.edu>
To:     Zou Wei <zou_wei@...wei.com>
Cc:     gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next] USB: EHCI: ehci-mv: add missing MODULE_DEVICE_TABLE

On Wed, May 12, 2021 at 02:36:09PM +0800, Zou Wei wrote:
> This patch adds missing MODULE_DEVICE_TABLE definition which generates
> correct modalias for automatic loading of this driver when it is built
> as an external module.
> 
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: Zou Wei <zou_wei@...wei.com>
> ---
>  drivers/usb/host/ehci-mv.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/usb/host/ehci-mv.c b/drivers/usb/host/ehci-mv.c
> index cffdc8d..beb478c 100644
> --- a/drivers/usb/host/ehci-mv.c
> +++ b/drivers/usb/host/ehci-mv.c
> @@ -266,6 +266,7 @@ static const struct platform_device_id ehci_id_table[] = {
>  	{"pxa-sph", 0},
>  	{},
>  };
> +MODULE_DEVICE_TABLE(platform, ehci_id_table);
>  
>  static void mv_ehci_shutdown(struct platform_device *pdev)
>  {

This is a bit odd.  Nothing wrong with it, of course, but it leads one 
to wonder how the driver ever worked.  Maybe the platforms that can use 
it never build the driver as a loadable module.

Acked-by: Alan Stern <stern@...land.harvard.edu>

Alan Stern