Re: [PATCH 2/2] pinctrl: sprd: Allow the SPRD pinctrl driver building into a module

From: kbuild test robot
Date: Fri Feb 28 2020 - 19:41:53 EST

Hi Baolin,

I love your patch! Yet something to improve:

[auto build test ERROR on pinctrl/devel]
[also build test ERROR on v5.6-rc3 next-20200228]
[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/Baolin-Wang/pinctrl-Export-some-needed-symbols-at-module-load-time/20200227-121948
base: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git devel
config: i386-randconfig-d003-20200229 (attached as .config)
compiler: gcc-7 (Debian 7.5.0-5) 7.5.0
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

drivers/pinctrl/sprd/pinctrl-sprd.c: In function 'sprd_dt_node_to_map':
>> drivers/pinctrl/sprd/pinctrl-sprd.c:282:8: error: implicit declaration of function 'pinconf_generic_parse_dt_config'; did you mean 'pinconf_generic_dump_config'? [-Werror=implicit-function-declaration]
ret = pinconf_generic_parse_dt_config(np, pctldev, &configs,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
pinconf_generic_dump_config
cc1: some warnings being treated as errors

vim +282 drivers/pinctrl/sprd/pinctrl-sprd.c

41d32cfce1ae61 Baolin Wang 2017-08-17 241
41d32cfce1ae61 Baolin Wang 2017-08-17 242 static int sprd_dt_node_to_map(struct pinctrl_dev *pctldev,
41d32cfce1ae61 Baolin Wang 2017-08-17 243 struct device_node *np,
41d32cfce1ae61 Baolin Wang 2017-08-17 244 struct pinctrl_map **map,
41d32cfce1ae61 Baolin Wang 2017-08-17 245 unsigned int *num_maps)
41d32cfce1ae61 Baolin Wang 2017-08-17 246 {
41d32cfce1ae61 Baolin Wang 2017-08-17 247 struct sprd_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
41d32cfce1ae61 Baolin Wang 2017-08-17 248 const struct sprd_pin_group *grp;
41d32cfce1ae61 Baolin Wang 2017-08-17 249 unsigned long *configs = NULL;
41d32cfce1ae61 Baolin Wang 2017-08-17 250 unsigned int num_configs = 0;
41d32cfce1ae61 Baolin Wang 2017-08-17 251 unsigned int reserved_maps = 0;
41d32cfce1ae61 Baolin Wang 2017-08-17 252 unsigned int reserve = 0;
41d32cfce1ae61 Baolin Wang 2017-08-17 253 const char *function;
41d32cfce1ae61 Baolin Wang 2017-08-17 254 enum pinctrl_map_type type;
41d32cfce1ae61 Baolin Wang 2017-08-17 255 int ret;
41d32cfce1ae61 Baolin Wang 2017-08-17 256
41d32cfce1ae61 Baolin Wang 2017-08-17 257 grp = sprd_pinctrl_find_group_by_name(pctl, np->name);
41d32cfce1ae61 Baolin Wang 2017-08-17 258 if (!grp) {
41d32cfce1ae61 Baolin Wang 2017-08-17 259 dev_err(pctl->dev, "unable to find group for node %s\n",
41d32cfce1ae61 Baolin Wang 2017-08-17 260 of_node_full_name(np));
41d32cfce1ae61 Baolin Wang 2017-08-17 261 return -EINVAL;
41d32cfce1ae61 Baolin Wang 2017-08-17 262 }
41d32cfce1ae61 Baolin Wang 2017-08-17 263
41d32cfce1ae61 Baolin Wang 2017-08-17 264 ret = of_property_count_strings(np, "pins");
41d32cfce1ae61 Baolin Wang 2017-08-17 265 if (ret < 0)
41d32cfce1ae61 Baolin Wang 2017-08-17 266 return ret;
41d32cfce1ae61 Baolin Wang 2017-08-17 267
41d32cfce1ae61 Baolin Wang 2017-08-17 268 if (ret == 1)
41d32cfce1ae61 Baolin Wang 2017-08-17 269 type = PIN_MAP_TYPE_CONFIGS_PIN;
41d32cfce1ae61 Baolin Wang 2017-08-17 270 else
41d32cfce1ae61 Baolin Wang 2017-08-17 271 type = PIN_MAP_TYPE_CONFIGS_GROUP;
41d32cfce1ae61 Baolin Wang 2017-08-17 272
41d32cfce1ae61 Baolin Wang 2017-08-17 273 ret = of_property_read_string(np, "function", &function);
41d32cfce1ae61 Baolin Wang 2017-08-17 274 if (ret < 0) {
41d32cfce1ae61 Baolin Wang 2017-08-17 275 if (ret != -EINVAL)
41d32cfce1ae61 Baolin Wang 2017-08-17 276 dev_err(pctl->dev,
41d32cfce1ae61 Baolin Wang 2017-08-17 277 "%s: could not parse property function\n",
41d32cfce1ae61 Baolin Wang 2017-08-17 278 of_node_full_name(np));
41d32cfce1ae61 Baolin Wang 2017-08-17 279 function = NULL;
41d32cfce1ae61 Baolin Wang 2017-08-17 280 }
41d32cfce1ae61 Baolin Wang 2017-08-17 281
41d32cfce1ae61 Baolin Wang 2017-08-17 @282 ret = pinconf_generic_parse_dt_config(np, pctldev, &configs,
41d32cfce1ae61 Baolin Wang 2017-08-17 283 &num_configs);
41d32cfce1ae61 Baolin Wang 2017-08-17 284 if (ret < 0) {
41d32cfce1ae61 Baolin Wang 2017-08-17 285 dev_err(pctl->dev, "%s: could not parse node property\n",
41d32cfce1ae61 Baolin Wang 2017-08-17 286 of_node_full_name(np));
41d32cfce1ae61 Baolin Wang 2017-08-17 287 return ret;
41d32cfce1ae61 Baolin Wang 2017-08-17 288 }
41d32cfce1ae61 Baolin Wang 2017-08-17 289
41d32cfce1ae61 Baolin Wang 2017-08-17 290 *map = NULL;
41d32cfce1ae61 Baolin Wang 2017-08-17 291 *num_maps = 0;
41d32cfce1ae61 Baolin Wang 2017-08-17 292
41d32cfce1ae61 Baolin Wang 2017-08-17 293 if (function != NULL)
41d32cfce1ae61 Baolin Wang 2017-08-17 294 reserve++;
41d32cfce1ae61 Baolin Wang 2017-08-17 295 if (num_configs)
41d32cfce1ae61 Baolin Wang 2017-08-17 296 reserve++;
41d32cfce1ae61 Baolin Wang 2017-08-17 297
41d32cfce1ae61 Baolin Wang 2017-08-17 298 ret = pinctrl_utils_reserve_map(pctldev, map, &reserved_maps,
41d32cfce1ae61 Baolin Wang 2017-08-17 299 num_maps, reserve);
41d32cfce1ae61 Baolin Wang 2017-08-17 300 if (ret < 0)
41d32cfce1ae61 Baolin Wang 2017-08-17 301 goto out;
41d32cfce1ae61 Baolin Wang 2017-08-17 302
41d32cfce1ae61 Baolin Wang 2017-08-17 303 if (function) {
41d32cfce1ae61 Baolin Wang 2017-08-17 304 ret = pinctrl_utils_add_map_mux(pctldev, map,
41d32cfce1ae61 Baolin Wang 2017-08-17 305 &reserved_maps, num_maps,
41d32cfce1ae61 Baolin Wang 2017-08-17 306 grp->name, function);
41d32cfce1ae61 Baolin Wang 2017-08-17 307 if (ret < 0)
41d32cfce1ae61 Baolin Wang 2017-08-17 308 goto out;
41d32cfce1ae61 Baolin Wang 2017-08-17 309 }
41d32cfce1ae61 Baolin Wang 2017-08-17 310
41d32cfce1ae61 Baolin Wang 2017-08-17 311 if (num_configs) {
41d32cfce1ae61 Baolin Wang 2017-08-17 312 const char *group_or_pin;
41d32cfce1ae61 Baolin Wang 2017-08-17 313 unsigned int pin_id;
41d32cfce1ae61 Baolin Wang 2017-08-17 314
41d32cfce1ae61 Baolin Wang 2017-08-17 315 if (type == PIN_MAP_TYPE_CONFIGS_PIN) {
41d32cfce1ae61 Baolin Wang 2017-08-17 316 pin_id = grp->pins[0];
41d32cfce1ae61 Baolin Wang 2017-08-17 317 group_or_pin = pin_get_name(pctldev, pin_id);
41d32cfce1ae61 Baolin Wang 2017-08-17 318 } else {
41d32cfce1ae61 Baolin Wang 2017-08-17 319 group_or_pin = grp->name;
41d32cfce1ae61 Baolin Wang 2017-08-17 320 }
41d32cfce1ae61 Baolin Wang 2017-08-17 321
41d32cfce1ae61 Baolin Wang 2017-08-17 322 ret = pinctrl_utils_add_map_configs(pctldev, map,
41d32cfce1ae61 Baolin Wang 2017-08-17 323 &reserved_maps, num_maps,
41d32cfce1ae61 Baolin Wang 2017-08-17 324 group_or_pin, configs,
41d32cfce1ae61 Baolin Wang 2017-08-17 325 num_configs, type);
41d32cfce1ae61 Baolin Wang 2017-08-17 326 }
41d32cfce1ae61 Baolin Wang 2017-08-17 327
41d32cfce1ae61 Baolin Wang 2017-08-17 328 out:
41d32cfce1ae61 Baolin Wang 2017-08-17 329 kfree(configs);
41d32cfce1ae61 Baolin Wang 2017-08-17 330 return ret;
41d32cfce1ae61 Baolin Wang 2017-08-17 331 }
41d32cfce1ae61 Baolin Wang 2017-08-17 332

:::::: The code at line 282 was first introduced by commit
:::::: 41d32cfce1ae616413761d07986e1fb4b907e808 pinctrl: sprd: Add Spreadtrum pin control driver

:::::: TO: Baolin Wang <baolin.wang@xxxxxxxxxxxxxx>
:::::: CC: Linus Walleij <linus.walleij@xxxxxxxxxx>

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

Attachment: .config.gz
Description: application/gzip