Re: [PATCH] bcma: Prevent build of PCI host features in module

From: Kalle Valo
Date: Mon Jan 15 2018 - 05:07:29 EST


Matt Redfearn <matt.redfearn@xxxxxxxx> writes:

> Attempting to build bcma.ko with BCMA_DRIVER_PCI_HOSTMODE=y results in
> a build error due to use of symbols not exported from vmlinux:
>
> ERROR: "pcibios_enable_device" [drivers/bcma/bcma.ko] undefined!
> ERROR: "register_pci_controller" [drivers/bcma/bcma.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_BCMA=m
>
> Signed-off-by: Matt Redfearn <matt.redfearn@xxxxxxxx>
>
> ---
>
> drivers/bcma/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/bcma/Kconfig b/drivers/bcma/Kconfig
> index 02d78f6cecbb..4294784b9cf1 100644
> --- a/drivers/bcma/Kconfig
> +++ b/drivers/bcma/Kconfig
> @@ -55,7 +55,7 @@ config BCMA_DRIVER_PCI
>
> config BCMA_DRIVER_PCI_HOSTMODE
> bool "Driver for PCI core working in hostmode"
> - depends on MIPS && BCMA_DRIVER_PCI
> + depends on MIPS && BCMA_DRIVER_PCI && BCMA = y

Is this a new regression? Do you know the commit which broke this?

Is it somehow related to this:

bcma: Fix 'allmodconfig' and BCMA builds on MIPS targets
https://patchwork.kernel.org/patch/10162839/

Or are these two separate issues?

--
Kalle Valo