Hi Arnd,
> With CONFIG_SERIAL_DEV_BUS=m, the hci_serdev.o file does not actually
> get built into hci_uart.o as the Makefile doesn't pick it up, leading
> to a link error with anything referring to it:
>
> ERROR: "hci_uart_register_device" [drivers/bluetooth/hci_nokia.ko] undefined!
> scripts/Makefile.modpost:91: recipe for target '__modpost' failed
>
> Changing this in the Makefile would cause another problem when
> hci_uart itself is built-in and cannot reference symbols from the
> serdev module.
>
> This tries to address both problems by introducing a new hidden
> Kconfig symbol that controls both the compilation of hci_serdev.o
> and whether the Nokia driver can be selected. This seems to address
> the problem for me, though there might be a better way to do it.
>
> Fixes: 7bb318680e86 ("Bluetooth: add nokia driver")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> drivers/bluetooth/Kconfig | 8 +++++++-
> drivers/bluetooth/Makefile | 2 +-
> 2 files changed, 8 insertions(+), 2 deletions(-)
patch has been applied to bluetooth-next tree.
Regards
Marcel
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