Hi "Michał, I love your patch! Yet something to improve: [auto build test ERROR on clk/clk-next] [also build test ERROR on robh/for-next abelloni/rtc-next v5.6-rc6 next-20200312] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Micha-Miros-aw/clk-at91-support-configuring-PCKx-parent-via-DT/20200317-041729 base: https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git clk-next config: arm-at91_dt_defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 9.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=9.2.0 make.cross ARCH=arm If you fix the issue, kindly add following tag Reported-by: kbuild test robot All errors (new ones prefixed by >>): drivers/clk/at91/at91sam9g45.c: In function 'at91sam9g45_pmc_setup': >> drivers/clk/at91/at91sam9g45.c:213:2: error: implicit declaration of function 'pmc_data_free' [-Werror=implicit-function-declaration] 213 | pmc_data_free(at91sam9g45_pmc); | ^~~~~~~~~~~~~ cc1: some warnings being treated as errors -- drivers/clk/at91/at91sam9n12.c: In function 'at91sam9n12_pmc_setup': >> drivers/clk/at91/at91sam9n12.c:231:2: error: implicit declaration of function 'pmc_data_free' [-Werror=implicit-function-declaration] 231 | pmc_data_free(at91sam9n12_pmc); | ^~~~~~~~~~~~~ cc1: some warnings being treated as errors -- drivers/clk/at91/sam9x60.c: In function 'sam9x60_pmc_setup': >> drivers/clk/at91/sam9x60.c:302:2: error: implicit declaration of function 'pmc_data_free' [-Werror=implicit-function-declaration] 302 | pmc_data_free(sam9x60_pmc); | ^~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/pmc_data_free +213 drivers/clk/at91/at91sam9g45.c 12dc8d3be9d86c Alexandre Belloni 2020-01-17 92 12dc8d3be9d86c Alexandre Belloni 2020-01-17 93 static void __init at91sam9g45_pmc_setup(struct device_node *np) 12dc8d3be9d86c Alexandre Belloni 2020-01-17 94 { 12dc8d3be9d86c Alexandre Belloni 2020-01-17 95 const char *slck_name, *mainxtal_name; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 96 struct pmc_data *at91sam9g45_pmc; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 97 const char *parent_names[6]; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 98 struct regmap *regmap; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 99 struct clk_hw *hw; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 100 int i; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 101 bool bypass; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 102 12dc8d3be9d86c Alexandre Belloni 2020-01-17 103 i = of_property_match_string(np, "clock-names", "slow_clk"); 12dc8d3be9d86c Alexandre Belloni 2020-01-17 104 if (i < 0) 12dc8d3be9d86c Alexandre Belloni 2020-01-17 105 return; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 106 12dc8d3be9d86c Alexandre Belloni 2020-01-17 107 slck_name = of_clk_get_parent_name(np, i); 12dc8d3be9d86c Alexandre Belloni 2020-01-17 108 12dc8d3be9d86c Alexandre Belloni 2020-01-17 109 i = of_property_match_string(np, "clock-names", "main_xtal"); 12dc8d3be9d86c Alexandre Belloni 2020-01-17 110 if (i < 0) 12dc8d3be9d86c Alexandre Belloni 2020-01-17 111 return; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 112 mainxtal_name = of_clk_get_parent_name(np, i); 12dc8d3be9d86c Alexandre Belloni 2020-01-17 113 12dc8d3be9d86c Alexandre Belloni 2020-01-17 114 regmap = syscon_node_to_regmap(np); 12dc8d3be9d86c Alexandre Belloni 2020-01-17 115 if (IS_ERR(regmap)) 12dc8d3be9d86c Alexandre Belloni 2020-01-17 116 return; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 117 12dc8d3be9d86c Alexandre Belloni 2020-01-17 118 at91sam9g45_pmc = pmc_data_allocate(PMC_MAIN + 1, 12dc8d3be9d86c Alexandre Belloni 2020-01-17 119 nck(at91sam9g45_systemck), 12dc8d3be9d86c Alexandre Belloni 2020-01-17 120 nck(at91sam9g45_periphck), 0); 12dc8d3be9d86c Alexandre Belloni 2020-01-17 121 if (!at91sam9g45_pmc) 12dc8d3be9d86c Alexandre Belloni 2020-01-17 122 return; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 123 12dc8d3be9d86c Alexandre Belloni 2020-01-17 124 bypass = of_property_read_bool(np, "atmel,osc-bypass"); 12dc8d3be9d86c Alexandre Belloni 2020-01-17 125 12dc8d3be9d86c Alexandre Belloni 2020-01-17 126 hw = at91_clk_register_main_osc(regmap, "main_osc", mainxtal_name, 12dc8d3be9d86c Alexandre Belloni 2020-01-17 127 bypass); 12dc8d3be9d86c Alexandre Belloni 2020-01-17 128 if (IS_ERR(hw)) 12dc8d3be9d86c Alexandre Belloni 2020-01-17 129 goto err_free; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 130 12dc8d3be9d86c Alexandre Belloni 2020-01-17 131 hw = at91_clk_register_rm9200_main(regmap, "mainck", "main_osc"); 12dc8d3be9d86c Alexandre Belloni 2020-01-17 132 if (IS_ERR(hw)) 12dc8d3be9d86c Alexandre Belloni 2020-01-17 133 goto err_free; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 134 12dc8d3be9d86c Alexandre Belloni 2020-01-17 135 at91sam9g45_pmc->chws[PMC_MAIN] = hw; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 136 12dc8d3be9d86c Alexandre Belloni 2020-01-17 137 hw = at91_clk_register_pll(regmap, "pllack", "mainck", 0, 12dc8d3be9d86c Alexandre Belloni 2020-01-17 138 &at91rm9200_pll_layout, &plla_characteristics); 12dc8d3be9d86c Alexandre Belloni 2020-01-17 139 if (IS_ERR(hw)) 12dc8d3be9d86c Alexandre Belloni 2020-01-17 140 goto err_free; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 141 12dc8d3be9d86c Alexandre Belloni 2020-01-17 142 hw = at91_clk_register_plldiv(regmap, "plladivck", "pllack"); 12dc8d3be9d86c Alexandre Belloni 2020-01-17 143 if (IS_ERR(hw)) 12dc8d3be9d86c Alexandre Belloni 2020-01-17 144 goto err_free; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 145 12dc8d3be9d86c Alexandre Belloni 2020-01-17 146 hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck"); 12dc8d3be9d86c Alexandre Belloni 2020-01-17 147 if (IS_ERR(hw)) 12dc8d3be9d86c Alexandre Belloni 2020-01-17 148 goto err_free; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 149 12dc8d3be9d86c Alexandre Belloni 2020-01-17 150 at91sam9g45_pmc->chws[PMC_UTMI] = hw; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 151 12dc8d3be9d86c Alexandre Belloni 2020-01-17 152 parent_names[0] = slck_name; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 153 parent_names[1] = "mainck"; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 154 parent_names[2] = "plladivck"; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 155 parent_names[3] = "utmick"; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 156 hw = at91_clk_register_master(regmap, "masterck", 4, parent_names, 12dc8d3be9d86c Alexandre Belloni 2020-01-17 157 &at91rm9200_master_layout, 12dc8d3be9d86c Alexandre Belloni 2020-01-17 158 &mck_characteristics); 12dc8d3be9d86c Alexandre Belloni 2020-01-17 159 if (IS_ERR(hw)) 12dc8d3be9d86c Alexandre Belloni 2020-01-17 160 goto err_free; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 161 12dc8d3be9d86c Alexandre Belloni 2020-01-17 162 at91sam9g45_pmc->chws[PMC_MCK] = hw; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 163 12dc8d3be9d86c Alexandre Belloni 2020-01-17 164 parent_names[0] = "plladivck"; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 165 parent_names[1] = "utmick"; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 166 hw = at91sam9x5_clk_register_usb(regmap, "usbck", parent_names, 2); 12dc8d3be9d86c Alexandre Belloni 2020-01-17 167 if (IS_ERR(hw)) 12dc8d3be9d86c Alexandre Belloni 2020-01-17 168 goto err_free; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 169 12dc8d3be9d86c Alexandre Belloni 2020-01-17 170 parent_names[0] = slck_name; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 171 parent_names[1] = "mainck"; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 172 parent_names[2] = "plladivck"; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 173 parent_names[3] = "utmick"; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 174 parent_names[4] = "masterck"; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 175 for (i = 0; i < 2; i++) { 12dc8d3be9d86c Alexandre Belloni 2020-01-17 176 char name[6]; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 177 12dc8d3be9d86c Alexandre Belloni 2020-01-17 178 snprintf(name, sizeof(name), "prog%d", i); 12dc8d3be9d86c Alexandre Belloni 2020-01-17 179 12dc8d3be9d86c Alexandre Belloni 2020-01-17 180 hw = at91_clk_register_programmable(regmap, name, 12dc8d3be9d86c Alexandre Belloni 2020-01-17 181 parent_names, 5, i, 12dc8d3be9d86c Alexandre Belloni 2020-01-17 182 &at91sam9g45_programmable_layout); 12dc8d3be9d86c Alexandre Belloni 2020-01-17 183 if (IS_ERR(hw)) 12dc8d3be9d86c Alexandre Belloni 2020-01-17 184 goto err_free; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 185 } 12dc8d3be9d86c Alexandre Belloni 2020-01-17 186 12dc8d3be9d86c Alexandre Belloni 2020-01-17 187 for (i = 0; i < ARRAY_SIZE(at91sam9g45_systemck); i++) { 12dc8d3be9d86c Alexandre Belloni 2020-01-17 188 hw = at91_clk_register_system(regmap, at91sam9g45_systemck[i].n, 12dc8d3be9d86c Alexandre Belloni 2020-01-17 189 at91sam9g45_systemck[i].p, 12dc8d3be9d86c Alexandre Belloni 2020-01-17 190 at91sam9g45_systemck[i].id); 12dc8d3be9d86c Alexandre Belloni 2020-01-17 191 if (IS_ERR(hw)) 12dc8d3be9d86c Alexandre Belloni 2020-01-17 192 goto err_free; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 193 12dc8d3be9d86c Alexandre Belloni 2020-01-17 194 at91sam9g45_pmc->shws[at91sam9g45_systemck[i].id] = hw; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 195 } 12dc8d3be9d86c Alexandre Belloni 2020-01-17 196 12dc8d3be9d86c Alexandre Belloni 2020-01-17 197 for (i = 0; i < ARRAY_SIZE(at91sam9g45_periphck); i++) { 12dc8d3be9d86c Alexandre Belloni 2020-01-17 198 hw = at91_clk_register_peripheral(regmap, 12dc8d3be9d86c Alexandre Belloni 2020-01-17 199 at91sam9g45_periphck[i].n, 12dc8d3be9d86c Alexandre Belloni 2020-01-17 200 "masterck", 12dc8d3be9d86c Alexandre Belloni 2020-01-17 201 at91sam9g45_periphck[i].id); 12dc8d3be9d86c Alexandre Belloni 2020-01-17 202 if (IS_ERR(hw)) 12dc8d3be9d86c Alexandre Belloni 2020-01-17 203 goto err_free; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 204 12dc8d3be9d86c Alexandre Belloni 2020-01-17 205 at91sam9g45_pmc->phws[at91sam9g45_periphck[i].id] = hw; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 206 } 12dc8d3be9d86c Alexandre Belloni 2020-01-17 207 12dc8d3be9d86c Alexandre Belloni 2020-01-17 208 of_clk_add_hw_provider(np, of_clk_hw_pmc_get, at91sam9g45_pmc); 12dc8d3be9d86c Alexandre Belloni 2020-01-17 209 12dc8d3be9d86c Alexandre Belloni 2020-01-17 210 return; 12dc8d3be9d86c Alexandre Belloni 2020-01-17 211 12dc8d3be9d86c Alexandre Belloni 2020-01-17 212 err_free: 12dc8d3be9d86c Alexandre Belloni 2020-01-17 @213 pmc_data_free(at91sam9g45_pmc); :::::: The code at line 213 was first introduced by commit :::::: 12dc8d3be9d86cccc35dcf32828d3a8e9d48e0d1 clk: at91: add at91sam9g45 pmc driver :::::: TO: Alexandre Belloni :::::: CC: Stephen Boyd --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org