If CONFIG_NTB is not set and CONFIG_PCI_EPF_VNTB is y.
make ARCH=x86_64 CROSS_COMPILE=x86_64-linux-gnu-, will be failed, like this:
drivers/pci/endpoint/functions/pci-epf-vntb.o: In function `epf_ntb_cmd_handler':
pci-epf-vntb.c:(.text+0x95e): undefined reference to `ntb_db_event'
pci-epf-vntb.c:(.text+0xa1f): undefined reference to `ntb_link_event'
pci-epf-vntb.c:(.text+0xa42): undefined reference to `ntb_link_event'
drivers/pci/endpoint/functions/pci-epf-vntb.o: In function `pci_vntb_probe':
pci-epf-vntb.c:(.text+0x1250): undefined reference to `ntb_register_device'
The functions ntb_*() are defined in drivers/ntb/core.c, which need CONFIG_NTB setting y to be build-in.
To fix this build error, add depends on NTB.
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Fixes: ff32fac00d97("NTB: EPF: support NTB transfer between PCI RC and EP connection")
Signed-off-by: Ren Zhijie <renzhijie2@xxxxxxxxxx>
---
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 362555b024e8..9beee4f0f4ee 100644
--- a/drivers/pci/endpoint/functions/Kconfig
+++ b/drivers/pci/endpoint/functions/Kconfig
@@ -29,6 +29,7 @@ config PCI_EPF_NTB
config PCI_EPF_VNTB
tristate "PCI Endpoint NTB driver"
depends on PCI_ENDPOINT
+ depends on NTB
select CONFIGFS_FS
help
Select this configuration option to enable the Non-Transparent
--
2.17.1
