Hi Nikolaus, [auto build test WARNING on tty/tty-next -- if it's inappropriate base, please suggest rules for selecting the more suitable base] url: https://github.com/0day-ci/linux/commits/H-Nikolaus-Schaller/UART-slave-device-support-goldelico-version/20151017-021238 config: xtensa-allmodconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=xtensa All warnings (new ones prefixed by >>): >> drivers/misc/w2sg0004.c:361:12: warning: 'w2sg_data_suspend' defined but not used [-Wunused-function] static int w2sg_data_suspend(struct device *dev) ^ >> drivers/misc/w2sg0004.c:399:12: warning: 'w2sg_data_resume' defined but not used [-Wunused-function] static int w2sg_data_resume(struct device *dev) ^ vim +/w2sg_data_suspend +361 drivers/misc/w2sg0004.c 355 uart_register_rx_notification(data->uart, NULL, NULL); 356 uart_register_slave(data->uart, NULL); 357 } 358 return 0; 359 } 360 > 361 static int w2sg_data_suspend(struct device *dev) 362 { 363 struct w2sg_data *data = dev_get_drvdata(dev); 364 365 spin_lock_irq(&data->lock); 366 data->suspended = true; 367 spin_unlock_irq(&data->lock); 368 369 cancel_delayed_work_sync(&data->work); 370 371 w2sg_data_set_lna_power(data); /* shuts down if needed */ 372 373 if (data->state == W2SG_PULSE) { 374 msleep(10); 375 gpio_set_value_cansleep(data->on_off_gpio, 1); 376 data->last_toggle = jiffies; 377 data->is_on = !data->is_on; 378 data->state = W2SG_NOPULSE; 379 } 380 381 if (data->state == W2SG_NOPULSE) { 382 msleep(10); 383 data->state = W2SG_IDLE; 384 } 385 386 if (data->is_on) { 387 pr_info("GPS off for suspend %d %d %d\n", data->requested, 388 data->is_on, data->lna_is_off); 389 390 gpio_set_value_cansleep(data->on_off_gpio, 0); 391 msleep(10); 392 gpio_set_value_cansleep(data->on_off_gpio, 1); 393 data->is_on = 0; 394 } 395 396 return 0; 397 } 398 > 399 static int w2sg_data_resume(struct device *dev) 400 { 401 struct w2sg_data *data = dev_get_drvdata(dev); 402 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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