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SubjectRe: [PATCH 1/3] clk: at91: optimize pmc data allocation
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 <lkp@intel.com>

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 <alexandre.belloni@bootlin.com>
:::::: CC: Stephen Boyd <sboyd@kernel.org>

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