tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: ae782d4e2bf53b0b642ae860794f7a39470f995a commit: 02daa222fbdd6afe52c25e5c2894d53946a4260d [11990/13297] platform: mellanox: Add initial support for PCIe based programming logic device config: x86_64-buildonly-randconfig-001-20230830 (https://download.01.org/0day-ci/archive/20230830/202308300642.mptI4L5U-lkp@xxxxxxxxx/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230830/202308300642.mptI4L5U-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202308300642.mptI4L5U-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/platform/x86/mlx-platform.c:6204:8: error: call to undeclared function 'pci_request_region'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] err = pci_request_region(pci_dev, 0, res_name); ^ drivers/platform/x86/mlx-platform.c:6204:8: note: did you mean 'pci_request_regions'? include/linux/pci.h:1947:19: note: 'pci_request_regions' declared here static inline int pci_request_regions(struct pci_dev *dev, const char *res_name) ^ drivers/platform/x86/mlx-platform.c:6210:49: warning: shift count >= width of type [-Wshift-count-overflow] err = dma_set_mask_and_coherent(&pci_dev->dev, DMA_BIT_MASK(64)); ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:77:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ ~~~ 1 warning and 1 error generated. vim +/pci_request_region +6204 drivers/platform/x86/mlx-platform.c 6185 6186 static int 6187 mlxplat_pci_fpga_device_init(unsigned int device, const char *res_name, struct pci_dev **pci_bridge, 6188 void __iomem **pci_bridge_addr) 6189 { 6190 void __iomem *pci_mem_addr; 6191 struct pci_dev *pci_dev; 6192 int err; 6193 6194 pci_dev = pci_get_device(PCI_VENDOR_ID_LATTICE, device, NULL); 6195 if (!pci_dev) 6196 return -ENODEV; 6197 6198 err = pci_enable_device(pci_dev); 6199 if (err) { 6200 dev_err(&pci_dev->dev, "pci_enable_device failed with error %d\n", err); 6201 goto fail_pci_enable_device; 6202 } 6203 > 6204 err = pci_request_region(pci_dev, 0, res_name); 6205 if (err) { 6206 dev_err(&pci_dev->dev, "pci_request_regions failed with error %d\n", err); 6207 goto fail_pci_request_regions; 6208 } 6209 6210 err = dma_set_mask_and_coherent(&pci_dev->dev, DMA_BIT_MASK(64)); 6211 if (err) { 6212 err = dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(32)); 6213 if (err) { 6214 dev_err(&pci_dev->dev, "dma_set_mask failed with error %d\n", err); 6215 goto fail_pci_set_dma_mask; 6216 } 6217 } 6218 6219 pci_set_master(pci_dev); 6220 6221 pci_mem_addr = devm_ioremap(&pci_dev->dev, pci_resource_start(pci_dev, 0), 6222 pci_resource_len(pci_dev, 0)); 6223 if (!pci_mem_addr) { 6224 dev_err(&mlxplat_dev->dev, "ioremap failed\n"); 6225 err = -EIO; 6226 goto fail_ioremap; 6227 } 6228 6229 *pci_bridge = pci_dev; 6230 *pci_bridge_addr = pci_mem_addr; 6231 6232 return 0; 6233 6234 fail_ioremap: 6235 fail_pci_set_dma_mask: 6236 pci_release_regions(pci_dev); 6237 fail_pci_request_regions: 6238 pci_disable_device(pci_dev); 6239 fail_pci_enable_device: 6240 return err; 6241 } 6242 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
