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SubjectRe: [PATCH -next] PCI: endpoint: fix build error, EP NTB driver uses configfs
On Tue, Feb 02, 2021 at 12:12:55PM -0800, Randy Dunlap wrote:
> The pci-epf-ntb driver uses configfs APIs, so it should depend on
> CONFIGFS_FS to prevent build errors.
>
> ld: drivers/pci/endpoint/functions/pci-epf-ntb.o: in function `epf_ntb_add_cfs':
> pci-epf-ntb.c:(.text+0x1b): undefined reference to `config_group_init_type_name'
>
> Fixes: 7dc64244f9e9 ("PCI: endpoint: Add EP function driver to provide NTB functionality")
>
> Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
> Cc: Kishon Vijay Abraham I <kishon@ti.com>
> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
> Cc: linux-pci@vger.kernel.org
> ---
> You may switch to 'select CONFIG_FS_FS' if you feel strongly about it.

Kishon ?

Thanks,
Lorenzo

> drivers/pci/endpoint/functions/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> --- linux-next-20210202.orig/drivers/pci/endpoint/functions/Kconfig
> +++ linux-next-20210202/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
> + depends on CONFIGFS_FS
> help
> Select this configuration option to enable the NTB driver
> for PCI Endpoint. NTB driver implements NTB controller

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