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Subject[arnd-playground:orion-pci-cleanup 3/5] arch/arm/plat-orion/pcie.c:301:2: error: call to undeclared function 'pci_add_resource'; ISO C99 and later do not support implicit function declarations
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git orion-pci-cleanup
head: f154fdd063e0f8e231dbe3c06b03fbb1ec0ffb8c
commit: b8537f0e3f6c609d0d723bb8c098919b5f515d5d [3/5] ARM: orion: simplify PCI code
config: arm-randconfig-r021-20220718 (https://download.01.org/0day-ci/archive/20220722/202207221319.pet6mCTR-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 0c1b32717bcffcf8edf95294e98933bd4c1e76ed)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
# https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git/commit/?id=b8537f0e3f6c609d0d723bb8c098919b5f515d5d
git remote add arnd-playground https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git
git fetch --no-tags arnd-playground orion-pci-cleanup
git checkout b8537f0e3f6c609d0d723bb8c098919b5f515d5d
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> arch/arm/plat-orion/pcie.c:301:2: error: call to undeclared function 'pci_add_resource'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
pci_add_resource(&bridge->windows, &iomem_resource);
^
arch/arm/plat-orion/pcie.c:301:2: note: did you mean 'pci_find_resource'?
include/linux/pci.h:1844:32: note: 'pci_find_resource' declared here
static inline struct resource *pci_find_resource(struct pci_dev *dev,
^
arch/arm/plat-orion/pcie.c:347:26: error: use of undeclared identifier 'pci_common_swizzle'
bridge->swizzle_irq = pci_common_swizzle;
^
>> arch/arm/plat-orion/pcie.c:349:10: error: call to undeclared function 'pci_host_probe'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
ret = pci_host_probe(bridge);
^
3 errors generated.


vim +/pci_add_resource +301 arch/arm/plat-orion/pcie.c

295
296 static int orion_pci_init_resource(int nr, struct pci_host_bridge *bridge)
297 {
298 struct orion_pci_sys_data *sys = pci_host_bridge_priv(bridge);
299 int ret;
300
> 301 pci_add_resource(&bridge->windows, &iomem_resource);
302
303 sys->io_res.start = (nr * SZ_64K) ? : pcibios_min_io;
304 sys->io_res.end = (nr + 1) * SZ_64K - 1;
305 sys->io_res.flags = IORESOURCE_IO;
306 sys->io_res.name = sys->io_res_name;
307 sprintf(sys->io_res_name, "PCI%d I/O", nr);
308
309 ret = request_resource(&ioport_resource, &sys->io_res);
310 if (ret) {
311 pr_err("PCI: unable to allocate I/O port region (%d)\n", ret);
312 return ret;
313 }
314 pci_add_resource(&bridge->windows, &sys->io_res);
315
316 return 0;
317 }
318
319 void orion_pci_probe(int nr_controllers,
320 int (*setup)(int nr, struct pci_host_bridge *),
321 int (*map_irq)(const struct pci_dev *dev, u8 slot, u8 pin))
322 {
323 int ret;
324 int nr, busnr;
325
326 pci_add_flags(PCI_REASSIGN_ALL_BUS);
327
328 for (nr = busnr = 0; nr < nr_controllers; nr++) {
329 struct pci_host_bridge *bridge;
330
331 bridge = pci_alloc_host_bridge(
332 sizeof(struct orion_pci_sys_data));
333 if (WARN(!bridge, "PCI: unable to allocate bridge!"))
334 break;
335
336 bridge->busnr = busnr;
337 ret = setup(nr, bridge);
338
339 if (ret > 0) {
340 ret = orion_pci_init_resource(nr, bridge);
341 if (ret) {
342 pci_free_host_bridge(bridge);
343 break;
344 }
345
346 bridge->map_irq = map_irq;
347 bridge->swizzle_irq = pci_common_swizzle;
348
> 349 ret = pci_host_probe(bridge);

--
0-DAY CI Kernel Test Service
https://01.org/lkp

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