Re: [PATCH] PCI: endpoint: Select configfs dependency

From: Kishon Vijay Abraham I
Date: Fri Jan 29 2021 - 05:33:14 EST


Hi Arnd, Lorenzo,

On 25/01/21 5:04 pm, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
>
> The newly added pci-epf-ntb driver uses configfs, which
> causes a link failure when that is disabled at compile-time:
>
> arm-linux-gnueabi-ld: drivers/pci/endpoint/functions/pci-epf-ntb.o: in function `epf_ntb_add_cfs':
> pci-epf-ntb.c:(.text+0x954): undefined reference to `config_group_init_type_name'
>
> Add a 'select' statement to Kconfig to ensure it's always there,
> which is the common way to enable it for other configfs users.
>
> Fixes: 7dc64244f9e9 ("PCI: endpoint: Add EP function driver to provide NTB functionality")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

Since I'm sending a new revision of NTB driver, I'll squash this patch
with the driver patch and add Arnd's sign off.

Thank You,
Kishon

> ---
> drivers/pci/endpoint/functions/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/pci/endpoint/functions/Kconfig b/drivers/pci/endpoint/functions/Kconfig
> index 24bfb2af65a1..5d35fcd613ef 100644
> --- a/drivers/pci/endpoint/functions/Kconfig
> +++ b/drivers/pci/endpoint/functions/Kconfig
> @@ -16,6 +16,7 @@ config PCI_EPF_TEST
> config PCI_EPF_NTB
> tristate "PCI Endpoint NTB driver"
> depends on PCI_ENDPOINT
> + select CONFIGFS_FS
> help
> Select this configuration option to enable the NTB driver
> for PCI Endpoint. NTB driver implements NTB controller
>