Hi Lucas, kernel test robot noticed the following build warnings: [auto build test WARNING on robh/for-next] [also build test WARNING on clk/clk-next tty/tty-testing tty/tty-next tty/tty-linus krzk/for-next krzk-dt/for-next krzk-mem-ctrl/for-next linus/master v6.4-rc6 next-20230616] [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/Lucas-Tanure/dt-bindings-arm-amlogic-add-Amlogic-T7-based-Khadas-VIM4-bindings/20230616-023038 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20230615182938.18487-4-tanure%40linux.com patch subject: [PATCH 3/6] clk: meson: t7: add peripheral clock controller config: arm64-buildonly-randconfig-r004-20230615 (https://download.01.org/0day-ci/archive/20230616/202306161946.Kk7xeos8-lkp@xxxxxxxxx/config) compiler: aarch64-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230616/202306161946.Kk7xeos8-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/202306161946.Kk7xeos8-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/clk/meson/t7.c:7084:51: warning: initialized field overwritten [-Woverride-init] 7084 | [CLKID_VID_PLL] = &t7_vid_pll.hw, | ^ drivers/clk/meson/t7.c:7084:51: note: (near initialization for 't7_hw_onecell_data.hws[93]') drivers/clk/meson/t7.c: In function 'meson_t7_probe': >> drivers/clk/meson/t7.c:7946:36: warning: variable 'mclk_data' set but not used [-Wunused-but-set-variable] 7946 | struct meson_clk_pll_data *mclk_data; | ^~~~~~~~~ drivers/clk/meson/t7.c: At top level: drivers/clk/meson/t7.c:689:37: warning: 't7_a73_dyn_clk_sel' defined but not used [-Wunused-const-variable=] 689 | static const struct clk_parent_data t7_a73_dyn_clk_sel[] = { | ^~~~~~~~~~~~~~~~~~ drivers/clk/meson/t7.c:93:29: warning: 'meson_pll_clk_no_ops' defined but not used [-Wunused-const-variable=] 93 | static const struct clk_ops meson_pll_clk_no_ops = {}; | ^~~~~~~~~~~~~~~~~~~~ vim +/mclk_data +7946 drivers/clk/meson/t7.c 7939 7940 static int __ref meson_t7_probe(struct platform_device *pdev) 7941 { 7942 struct device *dev = &pdev->dev; 7943 struct regmap *basic_map; 7944 struct regmap *pll_map; 7945 struct regmap *cpu_clk_map; > 7946 struct meson_clk_pll_data *mclk_data; 7947 int ret, i; 7948 7949 /* Get regmap for different clock area */ 7950 basic_map = t7_regmap_resource(dev, "basic"); 7951 if (IS_ERR(basic_map)) { 7952 dev_err(dev, "basic clk registers not found\n"); 7953 return PTR_ERR(basic_map); 7954 } 7955 7956 pll_map = t7_regmap_resource(dev, "pll"); 7957 if (IS_ERR(pll_map)) { 7958 dev_err(dev, "pll clk registers not found\n"); 7959 return PTR_ERR(pll_map); 7960 } 7961 7962 cpu_clk_map = t7_regmap_resource(dev, "cpu_clk"); 7963 if (IS_ERR(cpu_clk_map)) { 7964 dev_err(dev, "cpu clk registers not found\n"); 7965 return PTR_ERR(cpu_clk_map); 7966 } 7967 7968 /* Populate regmap for the regmap backed clocks */ 7969 for (i = 0; i < ARRAY_SIZE(t7_clk_regmaps); i++) 7970 t7_clk_regmaps[i]->map = basic_map; 7971 7972 for (i = 0; i < ARRAY_SIZE(t7_cpu_clk_regmaps); i++) 7973 t7_cpu_clk_regmaps[i]->map = cpu_clk_map; 7974 7975 for (i = 0; i < ARRAY_SIZE(t7_pll_clk_regmaps); i++) 7976 t7_pll_clk_regmaps[i]->map = pll_map; 7977 regmap_write(pll_map, ANACTRL_MPLL_CTRL0, 0x00000543); 7978 7979 mclk_data = t7_mclk_pll_dco.data; 7980 7981 for (i = 0; i < t7_hw_onecell_data.num; i++) { 7982 /* array might be sparse */ 7983 if (!t7_hw_onecell_data.hws[i]) 7984 continue; 7985 7986 ret = devm_clk_hw_register(dev, t7_hw_onecell_data.hws[i]); 7987 if (ret) { 7988 dev_err(dev, "Clock registration failed\n"); 7989 return ret; 7990 } 7991 } 7992 meson_t7_dvfs_setup(pdev); 7993 7994 7995 return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, &t7_hw_onecell_data); 7996 } 7997 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki