Re: [tip:x86/platform 1/1] platform_bt.c:undefined reference to `gpiod_add_lookup_table'

From: Andy Shevchenko
Date: Mon Apr 03 2017 - 05:44:16 EST


On Mon, Apr 3, 2017 at 12:36 PM, Andy Shevchenko
<andy.shevchenko@xxxxxxxxx> wrote:
> On Mon, Apr 3, 2017 at 12:31 PM, Arnd Bergmann <arnd@xxxxxxxx> wrote:
>> On Mon, Apr 3, 2017 at 10:13 AM, Andy Shevchenko
>> <andy.shevchenko@xxxxxxxxx> wrote:
>>> On Mon, Apr 3, 2017 at 2:23 AM, kbuild test robot
>>> <fengguang.wu@xxxxxxxxx> wrote:

>>>> arch/x86/built-in.o: In function `tng_bt_sfi_setup':
>>>>>> platform_bt.c:(.init.text+0x13a30): undefined reference to `gpiod_add_lookup_table'
>>
>> I'd guess it's a missing dependency on GPIOLIB
>
> Apparently not this one.
>
> The module is purely built whenever HCIUART_BCM is defined which is a
> consumer of GPIO.

> And that one does not have a dependency.

...and they should not. So, there are two ways of fix this:
- add a stub for gpiod_add_lookup_table() for !GPIOLIB case, or
- add ifdeffery around this code here (with obvious increase of ugliness).

--
With Best Regards,
Andy Shevchenko