tree:   git://git.armlinux.org.uk/~rmk/linux-arm cex7
head:   283e53483ea0458587598d170178e3b020c523bc
commit: 62d977eee018e5f6328fadb98f89f1f10d802c0e [2/61] PCI: mobiveil: ls_pcie_g4: add Workaround for A-011577
config: arm64-randconfig-r032-20210916 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c8b3d7d6d6de37af68b2f379d0e37304f78e115f)
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 arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        git remote add rmk-arm git://git.armlinux.org.uk/~rmk/linux-arm
        git fetch --no-tags rmk-arm cex7
        git checkout 62d977eee018e5f6328fadb98f89f1f10d802c0e
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=arm64 

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

All errors (new ones prefixed by >>):

>> drivers/pci/controller/mobiveil/pcie-layerscape-gen4.c:227:3: error: implicit declaration of function 'ls_pcie_g4_lut_writel' [-Werror,-Wimplicit-function-declaration]
                   ls_pcie_g4_lut_writel(pcie, PCIE_LUT_GCR,
                   ^
   drivers/pci/controller/mobiveil/pcie-layerscape-gen4.c:227:3: note: did you mean 'ls_pcie_g4_pf_writel'?
   drivers/pci/controller/mobiveil/pcie-layerscape-gen4.c:56:20: note: 'ls_pcie_g4_pf_writel' declared here
   static inline void ls_pcie_g4_pf_writel(struct ls_pcie_g4 *pcie,
                      ^
   1 error generated.


vim +/ls_pcie_g4_lut_writel +227 drivers/pci/controller/mobiveil/pcie-layerscape-gen4.c

   218	
   219	static int ls_pcie_g4_read_other_conf(struct pci_bus *bus, unsigned int devfn,
   220					   int where, int size, u32 *val)
   221	{
   222		struct mobiveil_pcie *pci = bus->sysdata;
   223		struct ls_pcie_g4 *pcie = to_ls_pcie_g4(pci);
   224		int ret;
   225	
   226		if (pcie->rev == REV_1_0 && where == PCI_VENDOR_ID)
 > 227			ls_pcie_g4_lut_writel(pcie, PCIE_LUT_GCR,
   228					      0 << PCIE_LUT_GCR_RRE);
   229	
   230		ret = pci_generic_config_read(bus, devfn, where, size, val);
   231	
   232		if (pcie->rev == REV_1_0 && where == PCI_VENDOR_ID)
   233			ls_pcie_g4_lut_writel(pcie, PCIE_LUT_GCR,
   234					      1 << PCIE_LUT_GCR_RRE);
   235	
   236		return ret;
   237	}
   238	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org