Hi, kernel test robot noticed the following build warnings: https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/git-luigi311-com/media-i2c-imx258-Remove-unused-defines/20240328-072629 base: git://linuxtv.org/media_tree.git master patch link: https://lore.kernel.org/r/20240327231710.53188-23-git%40luigi311.com patch subject: [PATCH 22/23] drivers: media: i2c: imx258: Add support for powerdown gpio config: x86_64-randconfig-161-20240331 (https://download.01.org/0day-ci/archive/20240401/202404011425.PVKV9Lf1-lkp@xxxxxxxxx/config) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) 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> | Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> | Closes: https://lore.kernel.org/r/202404011425.PVKV9Lf1-lkp@xxxxxxxxx/ smatch warnings: drivers/media/i2c/imx258.c:1562 imx258_probe() warn: missing unwind goto? vim +1562 drivers/media/i2c/imx258.c d3773094af21c9 Dave Stevenson 2024-03-27 1476 e4802cb00bfe3d Jason Chen 2018-05-02 1477 static int imx258_probe(struct i2c_client *client) e4802cb00bfe3d Jason Chen 2018-05-02 1478 { e4802cb00bfe3d Jason Chen 2018-05-02 1479 struct imx258 *imx258; 786d2ad50b9b49 Dave Stevenson 2024-03-27 1480 struct fwnode_handle *endpoint; 786d2ad50b9b49 Dave Stevenson 2024-03-27 1481 struct v4l2_fwnode_endpoint ep = { 786d2ad50b9b49 Dave Stevenson 2024-03-27 1482 .bus_type = V4L2_MBUS_CSI2_DPHY 786d2ad50b9b49 Dave Stevenson 2024-03-27 1483 }; e4802cb00bfe3d Jason Chen 2018-05-02 1484 int ret; e4802cb00bfe3d Jason Chen 2018-05-02 1485 u32 val = 0; e4802cb00bfe3d Jason Chen 2018-05-02 1486 9fda25332c4b9e Krzysztof Kozlowski 2021-01-27 1487 imx258 = devm_kzalloc(&client->dev, sizeof(*imx258), GFP_KERNEL); 9fda25332c4b9e Krzysztof Kozlowski 2021-01-27 1488 if (!imx258) 9fda25332c4b9e Krzysztof Kozlowski 2021-01-27 1489 return -ENOMEM; 9fda25332c4b9e Krzysztof Kozlowski 2021-01-27 1490 d3773094af21c9 Dave Stevenson 2024-03-27 1491 ret = imx258_get_regulators(imx258, client); d3773094af21c9 Dave Stevenson 2024-03-27 1492 if (ret) d3773094af21c9 Dave Stevenson 2024-03-27 1493 return dev_err_probe(&client->dev, ret, d3773094af21c9 Dave Stevenson 2024-03-27 1494 "failed to get regulators\n"); d3773094af21c9 Dave Stevenson 2024-03-27 1495 9fda25332c4b9e Krzysztof Kozlowski 2021-01-27 1496 imx258->clk = devm_clk_get_optional(&client->dev, NULL); d170b0ea176098 Sakari Ailus 2021-08-16 1497 if (IS_ERR(imx258->clk)) d170b0ea176098 Sakari Ailus 2021-08-16 1498 return dev_err_probe(&client->dev, PTR_ERR(imx258->clk), d170b0ea176098 Sakari Ailus 2021-08-16 1499 "error getting clock\n"); 9fda25332c4b9e Krzysztof Kozlowski 2021-01-27 1500 if (!imx258->clk) { 9fda25332c4b9e Krzysztof Kozlowski 2021-01-27 1501 dev_dbg(&client->dev, 9fda25332c4b9e Krzysztof Kozlowski 2021-01-27 1502 "no clock provided, using clock-frequency property\n"); 9fda25332c4b9e Krzysztof Kozlowski 2021-01-27 1503 e4802cb00bfe3d Jason Chen 2018-05-02 1504 device_property_read_u32(&client->dev, "clock-frequency", &val); d170b0ea176098 Sakari Ailus 2021-08-16 1505 } else { d170b0ea176098 Sakari Ailus 2021-08-16 1506 val = clk_get_rate(imx258->clk); 9fda25332c4b9e Krzysztof Kozlowski 2021-01-27 1507 } 8bde18cb296d0e Dave Stevenson 2024-03-27 1508 8bde18cb296d0e Dave Stevenson 2024-03-27 1509 switch (val) { 8bde18cb296d0e Dave Stevenson 2024-03-27 1510 case 19200000: 8bde18cb296d0e Dave Stevenson 2024-03-27 1511 imx258->link_freq_configs = link_freq_configs_19_2; 8bde18cb296d0e Dave Stevenson 2024-03-27 1512 imx258->link_freq_menu_items = link_freq_menu_items_19_2; 8bde18cb296d0e Dave Stevenson 2024-03-27 1513 break; 8bde18cb296d0e Dave Stevenson 2024-03-27 1514 case 24000000: 8bde18cb296d0e Dave Stevenson 2024-03-27 1515 imx258->link_freq_configs = link_freq_configs_24; 8bde18cb296d0e Dave Stevenson 2024-03-27 1516 imx258->link_freq_menu_items = link_freq_menu_items_24; 8bde18cb296d0e Dave Stevenson 2024-03-27 1517 break; 8bde18cb296d0e Dave Stevenson 2024-03-27 1518 default: 8bde18cb296d0e Dave Stevenson 2024-03-27 1519 dev_err(&client->dev, "input clock frequency of %u not supported\n", 8bde18cb296d0e Dave Stevenson 2024-03-27 1520 val); e4802cb00bfe3d Jason Chen 2018-05-02 1521 return -EINVAL; 9fda25332c4b9e Krzysztof Kozlowski 2021-01-27 1522 } e4802cb00bfe3d Jason Chen 2018-05-02 1523 786d2ad50b9b49 Dave Stevenson 2024-03-27 1524 endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), NULL); 786d2ad50b9b49 Dave Stevenson 2024-03-27 1525 if (!endpoint) { 786d2ad50b9b49 Dave Stevenson 2024-03-27 1526 dev_err(&client->dev, "Endpoint node not found\n"); 786d2ad50b9b49 Dave Stevenson 2024-03-27 1527 return -EINVAL; 786d2ad50b9b49 Dave Stevenson 2024-03-27 1528 } 786d2ad50b9b49 Dave Stevenson 2024-03-27 1529 786d2ad50b9b49 Dave Stevenson 2024-03-27 1530 ret = v4l2_fwnode_endpoint_alloc_parse(endpoint, &ep); 786d2ad50b9b49 Dave Stevenson 2024-03-27 1531 fwnode_handle_put(endpoint); 786d2ad50b9b49 Dave Stevenson 2024-03-27 1532 if (ret) { 786d2ad50b9b49 Dave Stevenson 2024-03-27 1533 dev_err(&client->dev, "Parsing endpoint node failed\n"); 786d2ad50b9b49 Dave Stevenson 2024-03-27 1534 return ret; 786d2ad50b9b49 Dave Stevenson 2024-03-27 1535 } 786d2ad50b9b49 Dave Stevenson 2024-03-27 1536 786d2ad50b9b49 Dave Stevenson 2024-03-27 1537 /* Get number of data lanes */ a42d61a239fac8 Dave Stevenson 2024-03-27 1538 switch (ep.bus.mipi_csi2.num_data_lanes) { a42d61a239fac8 Dave Stevenson 2024-03-27 1539 case 2: a42d61a239fac8 Dave Stevenson 2024-03-27 1540 imx258->lane_mode_idx = IMX258_2_LANE_MODE; a42d61a239fac8 Dave Stevenson 2024-03-27 1541 break; a42d61a239fac8 Dave Stevenson 2024-03-27 1542 case 4: a42d61a239fac8 Dave Stevenson 2024-03-27 1543 imx258->lane_mode_idx = IMX258_4_LANE_MODE; a42d61a239fac8 Dave Stevenson 2024-03-27 1544 break; a42d61a239fac8 Dave Stevenson 2024-03-27 1545 default: 786d2ad50b9b49 Dave Stevenson 2024-03-27 1546 dev_err(&client->dev, "Invalid data lanes: %u\n", a42d61a239fac8 Dave Stevenson 2024-03-27 1547 ep.bus.mipi_csi2.num_data_lanes); 786d2ad50b9b49 Dave Stevenson 2024-03-27 1548 ret = -EINVAL; 786d2ad50b9b49 Dave Stevenson 2024-03-27 1549 goto error_endpoint_free; 786d2ad50b9b49 Dave Stevenson 2024-03-27 1550 } 786d2ad50b9b49 Dave Stevenson 2024-03-27 1551 7db096053387db Dave Stevenson 2024-03-27 1552 imx258->csi2_flags = ep.bus.mipi_csi2.flags; 7db096053387db Dave Stevenson 2024-03-27 1553 a8bb93eeccfa73 Dave Stevenson 2024-03-27 1554 imx258->variant_cfg = of_device_get_match_data(&client->dev); a8bb93eeccfa73 Dave Stevenson 2024-03-27 1555 if (!imx258->variant_cfg) a8bb93eeccfa73 Dave Stevenson 2024-03-27 1556 imx258->variant_cfg = &imx258_cfg; a8bb93eeccfa73 Dave Stevenson 2024-03-27 1557 8a1906e91c0093 Luigi311 2024-03-27 1558 /* request optional power down pin */ 8a1906e91c0093 Luigi311 2024-03-27 1559 imx258->powerdown_gpio = devm_gpiod_get_optional(&client->dev, "powerdown", 8a1906e91c0093 Luigi311 2024-03-27 1560 GPIOD_OUT_HIGH); 8a1906e91c0093 Luigi311 2024-03-27 1561 if (IS_ERR(imx258->powerdown_gpio)) 8a1906e91c0093 Luigi311 2024-03-27 @1562 return PTR_ERR(imx258->powerdown_gpio); ret = PTR_ERR(imx258->powerdown_gpio); goto error_endpoint_free; 8a1906e91c0093 Luigi311 2024-03-27 1563 e4802cb00bfe3d Jason Chen 2018-05-02 1564 /* Initialize subdev */ e4802cb00bfe3d Jason Chen 2018-05-02 1565 v4l2_i2c_subdev_init(&imx258->sd, client, &imx258_subdev_ops); e4802cb00bfe3d Jason Chen 2018-05-02 1566 9fda25332c4b9e Krzysztof Kozlowski 2021-01-27 1567 /* Will be powered off via pm_runtime_idle */ 9fda25332c4b9e Krzysztof Kozlowski 2021-01-27 1568 ret = imx258_power_on(&client->dev); 9fda25332c4b9e Krzysztof Kozlowski 2021-01-27 1569 if (ret) 786d2ad50b9b49 Dave Stevenson 2024-03-27 1570 goto error_endpoint_free; 9fda25332c4b9e Krzysztof Kozlowski 2021-01-27 1571 e4802cb00bfe3d Jason Chen 2018-05-02 1572 /* Check module identity */ e4802cb00bfe3d Jason Chen 2018-05-02 1573 ret = imx258_identify_module(imx258); e4802cb00bfe3d Jason Chen 2018-05-02 1574 if (ret) 9fda25332c4b9e Krzysztof Kozlowski 2021-01-27 1575 goto error_identify; e4802cb00bfe3d Jason Chen 2018-05-02 1576 e4802cb00bfe3d Jason Chen 2018-05-02 1577 /* Set default mode to max resolution */ e4802cb00bfe3d Jason Chen 2018-05-02 1578 imx258->cur_mode = &supported_modes[0]; e4802cb00bfe3d Jason Chen 2018-05-02 1579 e4802cb00bfe3d Jason Chen 2018-05-02 1580 ret = imx258_init_controls(imx258); e4802cb00bfe3d Jason Chen 2018-05-02 1581 if (ret) 9fda25332c4b9e Krzysztof Kozlowski 2021-01-27 1582 goto error_identify; e4802cb00bfe3d Jason Chen 2018-05-02 1583 e4802cb00bfe3d Jason Chen 2018-05-02 1584 /* Initialize subdev */ e4802cb00bfe3d Jason Chen 2018-05-02 1585 imx258->sd.internal_ops = &imx258_internal_ops; e4802cb00bfe3d Jason Chen 2018-05-02 1586 imx258->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; e4802cb00bfe3d Jason Chen 2018-05-02 1587 imx258->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; e4802cb00bfe3d Jason Chen 2018-05-02 1588 e4802cb00bfe3d Jason Chen 2018-05-02 1589 /* Initialize source pad */ e4802cb00bfe3d Jason Chen 2018-05-02 1590 imx258->pad.flags = MEDIA_PAD_FL_SOURCE; e4802cb00bfe3d Jason Chen 2018-05-02 1591 e4802cb00bfe3d Jason Chen 2018-05-02 1592 ret = media_entity_pads_init(&imx258->sd.entity, 1, &imx258->pad); e4802cb00bfe3d Jason Chen 2018-05-02 1593 if (ret) e4802cb00bfe3d Jason Chen 2018-05-02 1594 goto error_handler_free; e4802cb00bfe3d Jason Chen 2018-05-02 1595 15786f7b564eff Sakari Ailus 2021-03-05 1596 ret = v4l2_async_register_subdev_sensor(&imx258->sd); e4802cb00bfe3d Jason Chen 2018-05-02 1597 if (ret < 0) e4802cb00bfe3d Jason Chen 2018-05-02 1598 goto error_media_entity; e4802cb00bfe3d Jason Chen 2018-05-02 1599 e4802cb00bfe3d Jason Chen 2018-05-02 1600 pm_runtime_set_active(&client->dev); e4802cb00bfe3d Jason Chen 2018-05-02 1601 pm_runtime_enable(&client->dev); e4802cb00bfe3d Jason Chen 2018-05-02 1602 pm_runtime_idle(&client->dev); 786d2ad50b9b49 Dave Stevenson 2024-03-27 1603 v4l2_fwnode_endpoint_free(&ep); e4802cb00bfe3d Jason Chen 2018-05-02 1604 e4802cb00bfe3d Jason Chen 2018-05-02 1605 return 0; e4802cb00bfe3d Jason Chen 2018-05-02 1606 e4802cb00bfe3d Jason Chen 2018-05-02 1607 error_media_entity: e4802cb00bfe3d Jason Chen 2018-05-02 1608 media_entity_cleanup(&imx258->sd.entity); e4802cb00bfe3d Jason Chen 2018-05-02 1609 e4802cb00bfe3d Jason Chen 2018-05-02 1610 error_handler_free: e4802cb00bfe3d Jason Chen 2018-05-02 1611 imx258_free_controls(imx258); e4802cb00bfe3d Jason Chen 2018-05-02 1612 9fda25332c4b9e Krzysztof Kozlowski 2021-01-27 1613 error_identify: 9fda25332c4b9e Krzysztof Kozlowski 2021-01-27 1614 imx258_power_off(&client->dev); 9fda25332c4b9e Krzysztof Kozlowski 2021-01-27 1615 786d2ad50b9b49 Dave Stevenson 2024-03-27 1616 error_endpoint_free: 786d2ad50b9b49 Dave Stevenson 2024-03-27 1617 v4l2_fwnode_endpoint_free(&ep); 786d2ad50b9b49 Dave Stevenson 2024-03-27 1618 e4802cb00bfe3d Jason Chen 2018-05-02 1619 return ret; e4802cb00bfe3d Jason Chen 2018-05-02 1620 } -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki