Hi, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on helgaas-pci/next] [also build test WARNING on helgaas-pci/for-linus wireless-next/main wireless/main linus/master v6.2-rc6 next-20230202] [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/equu-openmail-cc/wifi-ath9k-stop-loading-incompatible-DT-cal-data/20230202-131914 base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next patch link: https://lore.kernel.org/r/20230202041823.2879262-4-equu%40openmail.cc patch subject: [PATCH v2 3/3] wifi: ath10k: only load compatible DT cal data config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20230202/202302021511.hIXEXftH-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 12.1.0 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 # https://github.com/intel-lab-lkp/linux/commit/d3f328c8809b6349090ad2a2ee78250d657edb58 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review equu-openmail-cc/wifi-ath9k-stop-loading-incompatible-DT-cal-data/20230202-131914 git checkout d3f328c8809b6349090ad2a2ee78250d657edb58 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash drivers/net/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/net/wireless/ath/ath10k/core.c: In function 'ath10k_download_cal_nvmem': drivers/net/wireless/ath/ath10k/core.c:1985:15: error: implicit declaration of function 'of_pci_node_match_device' [-Werror=implicit-function-declaration] 1985 | !of_pci_node_match_device(ar->dev->of_node, | ^~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/net/wireless/ath/ath10k/core.c:1987:24: warning: returning 'void *' from a function with return type 'int' makes integer from pointer without a cast [-Wint-conversion] 1987 | return ERR_PTR(-ENOENT); | ^~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +1987 drivers/net/wireless/ath/ath10k/core.c 1954 1955 static int ath10k_download_cal_nvmem(struct ath10k *ar, const char *cell_name) 1956 { 1957 struct nvmem_cell *cell; 1958 void *buf; 1959 size_t len; 1960 int ret; 1961 1962 /* devm_nvmem_cell_get() will get a cell first from the OF 1963 * DT node representing the given device with nvmem-cell-name 1964 * "calibration", and from the global lookup table as a fallback, 1965 * and an ath9k device could be either a pci one or a platform one. 1966 * 1967 * If the OF DT node is not compatible with the real device, the 1968 * calibration data got from the node should not be applied. 1969 * 1970 * dev_is_pci(ar->dev) && ( no OF node || caldata not from node 1971 * || not compatible ) -> do not use caldata . 1972 * 1973 * !dev_is_pci(ar->dev) -> always use caldata . 1974 * 1975 * The judgement for compatibility differs with ath9k for many 1976 * DT using "qcom,ath10k" as compatibility string. 1977 */ 1978 if (dev_is_pci(ar->dev) && 1979 (!ar->dev->of_node || 1980 (of_property_match_string(ar->dev->of_node, 1981 "nvmem-cell-names", 1982 cell_name) < 0) || 1983 !of_device_is_compatible(ar->dev->of_node, 1984 "qcom,ath10k") || 1985 !of_pci_node_match_device(ar->dev->of_node, 1986 &ath10k_pci_driver))) > 1987 return ERR_PTR(-ENOENT); 1988 1989 cell = devm_nvmem_cell_get(ar->dev, cell_name); 1990 if (IS_ERR(cell)) { 1991 ret = PTR_ERR(cell); 1992 return ret; 1993 } 1994 1995 buf = nvmem_cell_read(cell, &len); 1996 if (IS_ERR(buf)) 1997 return PTR_ERR(buf); 1998 1999 if (ar->hw_params.cal_data_len != len) { 2000 kfree(buf); 2001 ath10k_warn(ar, "invalid calibration data length in nvmem-cell '%s': %zu != %u\n", 2002 cell_name, len, ar->hw_params.cal_data_len); 2003 return -EMSGSIZE; 2004 } 2005 2006 ret = ath10k_download_board_data(ar, buf, len); 2007 kfree(buf); 2008 if (ret) 2009 ath10k_warn(ar, "failed to download calibration data from nvmem-cell '%s': %d\n", 2010 cell_name, ret); 2011 2012 return ret; 2013 } 2014 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
