Hi Richard, kernel test robot noticed the following build warnings: [auto build test WARNING on abelloni/rtc-next] [also build test WARNING on lee-mfd/for-mfd-next lee-leds/for-leds-next lee-mfd/for-mfd-fixes linus/master v6.9 next-20240513] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Richard-Genoud/rtc-tps6594-Add-power-management-support/20240514-003053 base: https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next patch link: https://lore.kernel.org/r/20240513162942.68484-1-richard.genoud%40bootlin.com patch subject: [PATCH] rtc: tps6594: Add power management support config: sparc-randconfig-r081-20240514 (https://download.01.org/0day-ci/archive/20240514/202405141408.o5jSp8nU-lkp@xxxxxxxxx/config) compiler: sparc64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240514/202405141408.o5jSp8nU-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202405141408.o5jSp8nU-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/rtc/rtc-tps6594.c:471:12: warning: 'tps6594_rtc_suspend' defined but not used [-Wunused-function] 471 | static int tps6594_rtc_suspend(struct device *dev) | ^~~~~~~~~~~~~~~~~~~ >> drivers/rtc/rtc-tps6594.c:439:12: warning: 'tps6594_rtc_resume' defined but not used [-Wunused-function] 439 | static int tps6594_rtc_resume(struct device *dev) | ^~~~~~~~~~~~~~~~~~ vim +/tps6594_rtc_suspend +471 drivers/rtc/rtc-tps6594.c 438 > 439 static int tps6594_rtc_resume(struct device *dev) 440 { 441 struct tps6594 *tps = dev_get_drvdata(dev->parent); 442 struct rtc_device *rtc_dev = dev_get_drvdata(dev); 443 int ret; 444 445 ret = regmap_test_bits(tps->regmap, TPS6594_REG_INT_STARTUP, 446 TPS6594_BIT_RTC_INT); 447 if (ret < 0) { 448 dev_err(dev, "failed to read REG_INT_STARTUP: %d\n", ret); 449 goto out; 450 } 451 452 if (ret > 0) { 453 /* 454 * If the alarm bit is set, it means that the IRQ has been 455 * fired. But, the kernel may not have woke up yet when it 456 * happened. So, we have to clear it. 457 */ 458 ret = regmap_write(tps->regmap, TPS6594_REG_RTC_STATUS, 459 TPS6594_BIT_ALARM); 460 if (ret < 0) 461 dev_err(dev, "error clearing alarm bit: %d", ret); 462 463 rtc_update_irq(rtc_dev, 1, RTC_IRQF | RTC_AF); 464 } 465 out: 466 disable_irq_wake(tps->irq_rtc); 467 468 return 0; 469 } 470 > 471 static int tps6594_rtc_suspend(struct device *dev) 472 { 473 struct tps6594 *tps = dev_get_drvdata(dev->parent); 474 475 enable_irq_wake(tps->irq_rtc); 476 477 return 0; 478 } 479 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki