Re: [PATCH v3] platform/x86: meraki-mx100: use real software node references

[Dmitry Torokhov <dmitry.torokhov@gmail.com>]

On Mon, Mar 23, 2026 at 10:39:30AM +0100, Bartosz Golaszewski wrote:
> On Fri, Mar 20, 2026 at 9:18 AM kernel test robot <lkp@intel.com> wrote:
> >
> > Hi Bartosz,
> >
> > kernel test robot noticed the following build errors:
> >
> > [auto build test ERROR on b84a0ebe421ca56995ff78b66307667b62b3a900]
> >
> > url:    https://github.com/intel-lab-lkp/linux/commits/Bartosz-Golaszewski/platform-x86-meraki-mx100-use-real-software-node-references/20260316-165120
> > base:   b84a0ebe421ca56995ff78b66307667b62b3a900
> > patch link:    https://lore.kernel.org/r/20260316-meraki-swnodes-v3-1-15501a52300e%40oss.qualcomm.com
> > patch subject: [PATCH v3] platform/x86: meraki-mx100: use real software node references
> > config: x86_64-buildonly-randconfig-001-20260320 (https://download.01.org/0day-ci/archive/20260320/202603201641.qJ8m8Nhn-lkp@intel.com/config)
> > compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
> > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260320/202603201641.qJ8m8Nhn-lkp@intel.com/reproduce)
> >
> > If you fix the issue in a separate patch/commit (i.e. not just a new version of
> > the same patch/commit), kindly add following tags
> > | Reported-by: kernel test robot <lkp@intel.com>
> > | Closes: https://lore.kernel.org/oe-kbuild-all/202603201641.qJ8m8Nhn-lkp@intel.com/
> >
> > All errors (new ones prefixed by >>):
> >
> >    ld: vmlinux.o: in function `lkdtm_rodata_do_nothing':
> > >> (.rodata+0xa9b6c0): undefined reference to `lpc_ich_gpio_swnode'
> > >> ld: (.rodata+0xa9b840): undefined reference to `lpc_ich_gpio_swnode'
> >    ld: (.rodata+0xa9b960): undefined reference to `lpc_ich_gpio_swnode'
> >    ld: (.rodata+0xa9ba80): undefined reference to `lpc_ich_gpio_swnode'
> >    ld: (.rodata+0xa9bba0): undefined reference to `lpc_ich_gpio_swnode'
> >    ld: vmlinux.o:(.rodata+0xa9bcc0): more undefined references to `lpc_ich_gpio_swnode' follow
> >
> > --
> > 0-DAY CI Kernel Test Service
> > https://github.com/intel/lkp-tests/wiki
> 
> FYI this is a false-positive - the prerequisite patch is already in Lee's tree.

It is not: you did not define a dependency on LPC_ICH, so in the 0-day
.config it is not enabled.

This is what I mean by tight coupling.

Thanks.

-- 
Dmitry