Hi Daniel, [FYI, it's a private test report for your RFC patch.] [auto build test ERROR on linuxtv-media/master] [also build test ERROR on v5.7-rc1 next-20200414] [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/Daniel-Gomez/v4l2-api-changes-fo... base: git://linuxtv.org/media_tree.git master config: parisc-allyesconfig (attached as .config) compiler: hppa-linux-gcc (GCC) 9.3.0 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 GCC_VERSION=9.3.0 make.cross ARCH=parisc If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/media/i2c/imx378.c: In function 'imx378_probe': 1754 | ret = v4l2_device_register_subdev(&imx378->v4l2_dev, &imx378->sd); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ | v4l2_async_register_subdev 1754 | ret = v4l2_device_register_subdev(&imx378->v4l2_dev, &imx378->sd); | ^~ 1760 | ret = v4l2_device_register_subdev_nodes(&imx378->v4l2_dev); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | v4l2_async_register_subdev drivers/media/i2c/imx378.c:1760:49: error: 'struct imx378' has no member named 'v4l2_dev' 1760 | ret = v4l2_device_register_subdev_nodes(&imx378->v4l2_dev); | ^~ At top level: drivers/media/i2c/imx378.c:577:12: warning: 'imx378_read_reg16' defined but not used [-Wunused-function] 577 | static int imx378_read_reg16(struct imx378 *imx378, u16 addr, u16 *val) | ^~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +1754 drivers/media/i2c/imx378.c 1674 1675 static int imx378_probe(struct i2c_client *client) 1676 { 1677 struct device *dev = &client->dev; 1678 struct imx378 *imx378; 1679 int ret; 1680 1681 ret = imx378_parse_fwnode(dev); 1682 if (ret) 1683 return ret; 1684 1685 imx378 = devm_kzalloc(dev, sizeof(*imx378), GFP_KERNEL); 1686 if (!imx378) 1687 return -ENOMEM; 1688 1689 imx378->dev = dev; 1690 1691 imx378->xclk = devm_clk_get(dev, NULL); 1692 if (IS_ERR(imx378->xclk)) { 1693 dev_err(dev, "could not get xclk"); 1694 return PTR_ERR(imx378->xclk); 1695 } 1696 1697 ret = clk_set_rate(imx378->xclk, IMX378_DEFAULT_CLK_FREQ); 1698 if (ret) { 1699 dev_err(dev, "could not set xclk frequency\n"); 1700 return ret; 1701 } 1702 1703 ret = imx378_get_regulators(dev, imx378); 1704 if (ret < 0) { 1705 dev_err(dev, "could not get regulators\n"); 1706 return ret; 1707 } 1708 1709 imx378->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW); 1710 if (IS_ERR(imx378->enable_gpio)) { 1711 dev_err(dev, "could get enable gpio\n"); 1712 return PTR_ERR(imx378->enable_gpio); 1713 } 1714 1715 imx378->regmap = devm_regmap_init_i2c(client, &sensor_regmap_config); 1716 if (IS_ERR(imx378->regmap)) { 1717 dev_err(dev, "regmap init failed\n"); 1718 return PTR_ERR(imx378->regmap); 1719 } 1720 1721 v4l2_i2c_subdev_init(&imx378->sd, client, &imx378_subdev_ops); 1722 1723 imx378_power_on(imx378->dev); 1724 1725 pm_runtime_set_active(imx378->dev); 1726 pm_runtime_enable(imx378->dev); 1727 pm_runtime_idle(imx378->dev); 1728 1729 ret = imx378_init_controls(imx378); 1730 if (ret) { 1731 dev_err(dev, "failed to init controls: %d", ret); 1732 goto error_probe; 1733 } 1734 1735 imx378->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; 1736 imx378->pad.flags = MEDIA_PAD_FL_SOURCE; 1737 imx378->sd.dev = &client->dev; 1738 imx378->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; 1739 1740 ret = media_entity_pads_init(&imx378->sd.entity, 1, &imx378->pad); 1741 if (ret < 0) { 1742 dev_err(dev, "could not register media entity\n"); 1743 goto free_ctrl; 1744 } 1745 1746 imx378_entity_init_cfg(&imx378->sd, NULL); 1747 1748 ret = v4l2_async_register_subdev_sensor_common(&imx378->sd); 1749 if (ret < 0) { 1750 dev_err(dev, "could not register v4l2 device\n"); 1751 goto free_entity; 1752 } 1753 1755 if (ret < 0) { 1756 dev_err(dev, "could not register v4l2 sd\n"); 1757 goto free_entity; 1758 } 1759 1761 if (ret) { 1762 dev_err(dev, "imx378 subdev nodes registration failed (err=%d)\n", 1763 ret); 1764 return ret; 1765 } 1766 1767 return 0; 1768 1769 free_entity: 1770 media_entity_cleanup(&imx378->sd.entity); 1771 free_ctrl: 1772 v4l2_ctrl_handler_free(&imx378->ctrls); 1773 error_probe: 1774 mutex_destroy(&imx378->mutex); 1775 pm_runtime_disable(imx378->dev); 1776 1777 return ret; 1778 } 1779 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org