[PATCH v4 4/4] PCI: keystone: Add support to build as a loadable module

[Siddharth Vadapalli]

On Tue, 2025-10-28 at 11:06 +0800, kernel test robot wrote:
> Hi Siddharth,
> 
> kernel test robot noticed the following build errors:
> 
> [auto build test ERROR on pci/next]
> [also build test ERROR on pci/for-linus linus/master v6.18-rc3 next-20251027]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch#_base_tree_information]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Siddharth-Vadapalli/PCI-Export-pci_get_host_bridge_device-for-use-by-pci-keystone/20251022-180213
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next
> patch link:    https://lore.kernel.org/r/20251022095724.997218-5-s-vadapalli%40ti.com
> patch subject: [PATCH v4 4/4] PCI: keystone: Add support to build as a loadable module
> config: arm-allmodconfig (https://download.01.org/0day-ci/archive/20251028/202510281008.jw19XuyP-lkp@intel.com/config)
> compiler: arm-linux-gnueabi-gcc (GCC) 15.1.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251028/202510281008.jw19XuyP-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 at intel.com>
> > Closes: https://lore.kernel.org/oe-kbuild-all/202510281008.jw19XuyP-lkp@intel.com/
> 
> All errors (new ones prefixed by >>, old ones prefixed by <<):
> 
> WARNING: modpost: missing MODULE_DESCRIPTION() in arch/arm/probes/kprobes/test-kprobes.o
> > > ERROR: modpost: "hook_fault_code" [drivers/pci/controller/dwc/pci-keystone.ko] undefined!
> ERROR: modpost: "__ffsdi2" [drivers/spi/spi-amlogic-spifc-a4.ko] undefined!

I had built the driver for ARM64 platforms but missed building it for ARM32
platforms. I will fix the build error for ARM32 platforms and will post the
v5 series.

Regards,
Siddharth.