Re: [PATCH] PCI: endpoint: pci-epf-test: select configfs

[Arnd Bergmann]

On Wed, Feb 11, 2026, at 10:05, Niklas Cassel wrote:
> On Wed, Feb 11, 2026 at 08:07:40AM +0100, Arnd Bergmann wrote:
>
> However, I remember that you Arnd was one of the main reasons why Kishon
> decided to use configfs to configure a PCI endpoint controller and to
> bind a PCI endpoint function driver with a PCI endpoint controller.
>
> I don't know of any other way than configfs to bind a PCI endpoint function
> driver with a PCI endpoint controller.
>
> To me, it seems a bit silly to be able to build PCI_ENDPOINT without
> configfs. What should a user do with a library that they cannot bind to
> a PCI endpoint controller?
>
> Why shouldn't we just do something like:
>
> diff --git a/drivers/pci/endpoint/Kconfig b/drivers/pci/endpoint/Kconfig
> index 8dad291be8b8..d6f898094509 100644
> --- a/drivers/pci/endpoint/Kconfig
> +++ b/drivers/pci/endpoint/Kconfig
> @@ -8,6 +8,7 @@ menu "PCI Endpoint"
>  config PCI_ENDPOINT
>  	bool "PCI Endpoint Support"
>  	depends on HAVE_PCI
> +	select PCI_ENDPOINT_CONFIGFS
>  	help
>  	   Enable this configuration option to support configurable PCI
>  	   endpoint. This should be enabled if the platform has a PCI


I think at that point we would instead drop PCI_ENDPOINT_CONFIGFS
as a Kconfig option, since it is never user selectable. Otherwise
this is probably a sensible solution as well.

     Arnd