Hi Andrey, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v4.14-rc8] [cannot apply to next-20171110] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Andrey-Smirnov/ZII-RAVE-platform-driver/20171112-215306 config: blackfin-allyesconfig (attached as .config) compiler: bfin-uclinux-gcc (GCC) 6.2.0 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 make.cross ARCH=blackfin All errors (new ones prefixed by >>): drivers/watchdog/rave-sp-wdt.c: In function 'rave_sp_wdt_probe': >> drivers/watchdog/rave-sp-wdt.c:314:8: error: implicit declaration of function 'devm_register_reboot_notifier' [-Werror=implicit-function-declaration] ret = devm_register_reboot_notifier(dev, &sp_wd->reboot_notifier); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/devm_register_reboot_notifier +314 drivers/watchdog/rave-sp-wdt.c 265 266 static int rave_sp_wdt_probe(struct platform_device *pdev) 267 { 268 struct device *dev = &pdev->dev; 269 const struct of_device_id *id; 270 struct watchdog_device *wdd; 271 struct rave_sp_wdt *sp_wd; 272 struct nvmem_cell *cell; 273 __le16 timeout = 0; 274 int ret; 275 276 id = of_match_device(rave_sp_wdt_variants, dev->parent); 277 if (!id) { 278 dev_err(dev, "Unknown parent device variant. Bailing out\n"); 279 return -ENODEV; 280 } 281 282 sp_wd = devm_kzalloc(dev, sizeof(*sp_wd), GFP_KERNEL); 283 if (!sp_wd) 284 return -ENOMEM; 285 286 sp_wd->variant = id->data; 287 sp_wd->sp = dev_get_drvdata(dev->parent); 288 289 wdd = &sp_wd->wdd; 290 wdd->parent = dev; 291 wdd->info = &rave_sp_wdt_info; 292 wdd->ops = &rave_sp_wdt_ops; 293 wdd->min_timeout = sp_wd->variant->min_timeout; 294 wdd->max_timeout = sp_wd->variant->max_timeout; 295 wdd->status = WATCHDOG_NOWAYOUT_INIT_STATUS; 296 wdd->timeout = 60; 297 298 cell = nvmem_cell_get(dev, "wdt-timeout"); 299 if (!IS_ERR(cell)) { 300 size_t len; 301 void *value = nvmem_cell_read(cell, &len); 302 303 if (!IS_ERR(value)) { 304 memcpy(&timeout, value, min(len, sizeof(timeout))); 305 kfree(value); 306 } 307 nvmem_cell_put(cell); 308 } 309 watchdog_init_timeout(wdd, le16_to_cpu(timeout), dev); 310 watchdog_set_restart_priority(wdd, 255); 311 watchdog_stop_on_unregister(wdd); 312 313 sp_wd->reboot_notifier.notifier_call = rave_sp_wdt_reboot_notifier; > 314 ret = devm_register_reboot_notifier(dev, &sp_wd->reboot_notifier); 315 if (ret) { 316 dev_err(dev, "Failed to register reboot notifier\n"); 317 return ret; 318 } 319 320 /* 321 * We don't know if watchdog is running now. To be sure, let's 322 * start it and depend on watchdog core to ping it 323 */ 324 wdd->max_hw_heartbeat_ms = wdd->max_timeout * 1000; 325 ret = rave_sp_wdt_start(wdd); 326 if (ret) { 327 dev_err(dev, "Watchdog didn't start\n"); 328 return ret; 329 } 330 331 ret = devm_watchdog_register_device(dev, wdd); 332 if (ret) { 333 dev_err(dev, "Failed to register watchdog device\n"); 334 rave_sp_wdt_stop(wdd); 335 return ret; 336 } 337 338 return 0; 339 } 340 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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