Attempting to build ssb.ko with CONFIG_SSB_DRIVER_PCICORE=y results in a build error due to use of symbols not exported from vmlinux: ERROR: "pcibios_enable_device" [drivers/ssb/ssb.ko] undefined! ERROR: "register_pci_controller" [drivers/ssb/ssb.ko] undefined! make[1]: *** [scripts/Makefile.modpost:92: __modpost] Error 1 To prevent this, don't allow the host mode feature to be built if CONFIG_SSB=m Signed-off-by: Matt Redfearn <matt.redfearn@xxxxxxxx> --- drivers/ssb/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ssb/Kconfig b/drivers/ssb/Kconfig index d8e4219c2324..3e1c814e7331 100644 --- a/drivers/ssb/Kconfig +++ b/drivers/ssb/Kconfig @@ -118,7 +118,7 @@ config SSB_SERIAL config SSB_DRIVER_PCICORE_POSSIBLE bool - depends on SSB_PCIHOST + depends on SSB_PCIHOST && SSB = y default y config SSB_DRIVER_PCICORE -- 2.7.4