Hi, an obvious mistake by me. isl1208 is introduced in patch 3/4. I will send v3. Sorry for that. Regards Denis Am Samstag, den 03.03.2018, 10:35 +0800 schrieb kbuild test robot: > Hi Denis, > > Thank you for the patch! Yet something to improve: > > [auto build test ERROR on abelloni/rtc-next] > [also build test ERROR on v4.16-rc3 next-20180302] > [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/Denis-OSTERLAND/rtc-isl1208-fixes-documentation-and-isl1219-support/20180303-093405 > base: https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next > config: x86_64-randconfig-x017-201808 (attached as .config) > compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 > reproduce: > # save the attached .config to linux build tree > make ARCH=x86_64 > > Note: the linux-review/Denis-OSTERLAND/rtc-isl1208-fixes-documentation-and-isl1219-support/20180303-093405 HEAD 1d3cf882ecd061847968da1511ec956b9bf70d33 builds fine. > It only hurts bisectibility. > > All error/warnings (new ones prefixed by >>): > > In file included from drivers/rtc/rtc-isl1208.c:16:0: > drivers/rtc/rtc-isl1208.c: In function 'isl1208_probe': > > > > > > > > drivers/rtc/rtc-isl1208.c:677:29: error: 'isl1208' undeclared (first use in this function) > return rtc_register_device(isl1208->rtc); > ^ > include/linux/rtc.h:261:37: note: in definition of macro 'rtc_register_device' > __rtc_register_device(THIS_MODULE, device) > ^~~~~~ > drivers/rtc/rtc-isl1208.c:677:29: note: each undeclared identifier is reported only once for each function it appears in > return rtc_register_device(isl1208->rtc); > ^ > include/linux/rtc.h:261:37: note: in definition of macro 'rtc_register_device' > __rtc_register_device(THIS_MODULE, device) > ^~~~~~ > > > > > > > > drivers/rtc/rtc-isl1208.c:678:1: warning: control reaches end of non-void function [-Wreturn-type] > } > ^ > > vim +/isl1208 +677 drivers/rtc/rtc-isl1208.c > > 625 > 626 static int > 627 isl1208_probe(struct i2c_client *client, const struct i2c_device_id *id) > 628 { > 629 int rc = 0; > 630 struct rtc_device *rtc; > 631 > 632 if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) > 633 return -ENODEV; > 634 > 635 if (isl1208_i2c_validate_client(client) < 0) > 636 return -ENODEV; > 637 > 638 rtc = devm_rtc_allocate_device(&client->dev); > 639 if (IS_ERR(rtc)) > 640 return PTR_ERR(rtc); > 641 > 642 rtc->ops = &isl1208_rtc_ops; > 643 > 644 i2c_set_clientdata(client, rtc); > 645 > 646 rc = isl1208_i2c_get_sr(client); > 647 if (rc < 0) { > 648 dev_err(&client->dev, "reading status failed\n"); > 649 return rc; > 650 } > 651 > 652 if (rc & ISL1208_REG_SR_RTCF) > 653 dev_warn(&client->dev, "rtc power failure detected, " > 654 "please set clock.\n"); > 655 > 656 rc = sysfs_create_group(&client->dev.kobj, &isl1208_rtc_sysfs_files); > 657 if (rc) > 658 return rc; > 659 > 660 if (client->irq > 0) { > 661 rc = devm_request_threaded_irq(&client->dev, client->irq, NULL, > 662 isl1208_rtc_interrupt, > 663 IRQF_SHARED | IRQF_ONESHOT, > 664 isl1208_driver.driver.name, > 665 client); > 666 if (!rc) { > 667 device_init_wakeup(&client->dev, 1); > 668 enable_irq_wake(client->irq); > 669 } else { > 670 dev_err(&client->dev, > 671 "Unable to request irq %d, no alarm support\n", > 672 client->irq); > 673 client->irq = 0; > 674 } > 675 } > 676 > > 677 return rtc_register_device(isl1208->rtc); > > 678 } > 679 > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation Diehl AKO Stiftung & Co. 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