tree: git://linuxtv.org/sailus/media_tree.git metadata head: 9a2e5f20d07ed3d25317c6e7bc42b79a89435ad5 commit: 9a2e5f20d07ed3d25317c6e7bc42b79a89435ad5 [42/42] hacks config: arc-randconfig-001-20230927 (https://download.01.org/0day-ci/archive/20230927/202309270407.1ZLrOldj-lkp@xxxxxxxxx/config) compiler: arceb-elf-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230927/202309270407.1ZLrOldj-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/202309270407.1ZLrOldj-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/media/i2c/ov2740.c: In function 'ov2740_check_hwcfg': >> drivers/media/i2c/ov2740.c:1049:25: warning: unused variable 'j' [-Wunused-variable] 1049 | unsigned int i, j; | ^ >> drivers/media/i2c/ov2740.c:1049:22: warning: unused variable 'i' [-Wunused-variable] 1049 | unsigned int i, j; | ^ vim +/j +1049 drivers/media/i2c/ov2740.c 866edc895171f1 Bingbu Cao 2020-05-11 1039 866edc895171f1 Bingbu Cao 2020-05-11 1040 static int ov2740_check_hwcfg(struct device *dev) 866edc895171f1 Bingbu Cao 2020-05-11 1041 { 866edc895171f1 Bingbu Cao 2020-05-11 1042 struct fwnode_handle *ep; 866edc895171f1 Bingbu Cao 2020-05-11 1043 struct fwnode_handle *fwnode = dev_fwnode(dev); 866edc895171f1 Bingbu Cao 2020-05-11 1044 struct v4l2_fwnode_endpoint bus_cfg = { 866edc895171f1 Bingbu Cao 2020-05-11 1045 .bus_type = V4L2_MBUS_CSI2_DPHY 866edc895171f1 Bingbu Cao 2020-05-11 1046 }; 866edc895171f1 Bingbu Cao 2020-05-11 1047 u32 mclk; 866edc895171f1 Bingbu Cao 2020-05-11 1048 int ret; 866edc895171f1 Bingbu Cao 2020-05-11 @1049 unsigned int i, j; 866edc895171f1 Bingbu Cao 2020-05-11 1050 866edc895171f1 Bingbu Cao 2020-05-11 1051 ret = fwnode_property_read_u32(fwnode, "clock-frequency", &mclk); 866edc895171f1 Bingbu Cao 2020-05-11 1052 if (ret) 866edc895171f1 Bingbu Cao 2020-05-11 1053 return ret; 866edc895171f1 Bingbu Cao 2020-05-11 1054 a55ae53c554ed0 Andy Shevchenko 2022-07-26 1055 if (mclk != OV2740_MCLK) a55ae53c554ed0 Andy Shevchenko 2022-07-26 1056 return dev_err_probe(dev, -EINVAL, a55ae53c554ed0 Andy Shevchenko 2022-07-26 1057 "external clock %d is not supported\n", a55ae53c554ed0 Andy Shevchenko 2022-07-26 1058 mclk); 866edc895171f1 Bingbu Cao 2020-05-11 1059 866edc895171f1 Bingbu Cao 2020-05-11 1060 ep = fwnode_graph_get_next_endpoint(fwnode, NULL); 866edc895171f1 Bingbu Cao 2020-05-11 1061 if (!ep) 6ad63575cf7331 Sakari Ailus 2023-09-08 1062 return -EPROBE_DEFER; 866edc895171f1 Bingbu Cao 2020-05-11 1063 866edc895171f1 Bingbu Cao 2020-05-11 1064 ret = v4l2_fwnode_endpoint_alloc_parse(ep, &bus_cfg); 866edc895171f1 Bingbu Cao 2020-05-11 1065 fwnode_handle_put(ep); 866edc895171f1 Bingbu Cao 2020-05-11 1066 if (ret) 866edc895171f1 Bingbu Cao 2020-05-11 1067 return ret; 866edc895171f1 Bingbu Cao 2020-05-11 1068 9a2e5f20d07ed3 Sakari Ailus 2023-09-08 1069 /* if (bus_cfg.bus.mipi_csi2.num_data_lanes != OV2740_DATA_LANES) { */ 9a2e5f20d07ed3 Sakari Ailus 2023-09-08 1070 /* ret = dev_err_probe(dev, -EINVAL, */ 9a2e5f20d07ed3 Sakari Ailus 2023-09-08 1071 /* "number of CSI2 data lanes %d is not supported\n", */ 9a2e5f20d07ed3 Sakari Ailus 2023-09-08 1072 /* bus_cfg.bus.mipi_csi2.num_data_lanes); */ 9a2e5f20d07ed3 Sakari Ailus 2023-09-08 1073 /* goto check_hwcfg_error; */ 9a2e5f20d07ed3 Sakari Ailus 2023-09-08 1074 /* } */ 866edc895171f1 Bingbu Cao 2020-05-11 1075 866edc895171f1 Bingbu Cao 2020-05-11 1076 if (!bus_cfg.nr_of_link_frequencies) { a55ae53c554ed0 Andy Shevchenko 2022-07-26 1077 ret = dev_err_probe(dev, -EINVAL, "no link frequencies defined\n"); 866edc895171f1 Bingbu Cao 2020-05-11 1078 goto check_hwcfg_error; 866edc895171f1 Bingbu Cao 2020-05-11 1079 } 866edc895171f1 Bingbu Cao 2020-05-11 1080 9a2e5f20d07ed3 Sakari Ailus 2023-09-08 1081 /* for (i = 0; i < ARRAY_SIZE(link_freq_menu_items); i++) { */ 9a2e5f20d07ed3 Sakari Ailus 2023-09-08 1082 /* for (j = 0; j < bus_cfg.nr_of_link_frequencies; j++) { */ 9a2e5f20d07ed3 Sakari Ailus 2023-09-08 1083 /* if (link_freq_menu_items[i] == */ 9a2e5f20d07ed3 Sakari Ailus 2023-09-08 1084 /* bus_cfg.link_frequencies[j]) */ 9a2e5f20d07ed3 Sakari Ailus 2023-09-08 1085 /* break; */ 9a2e5f20d07ed3 Sakari Ailus 2023-09-08 1086 /* } */ 9a2e5f20d07ed3 Sakari Ailus 2023-09-08 1087 9a2e5f20d07ed3 Sakari Ailus 2023-09-08 1088 /* if (j == bus_cfg.nr_of_link_frequencies) { */ 9a2e5f20d07ed3 Sakari Ailus 2023-09-08 1089 /* ret = dev_err_probe(dev, -EINVAL, */ 9a2e5f20d07ed3 Sakari Ailus 2023-09-08 1090 /* "no link frequency %lld supported\n", */ 9a2e5f20d07ed3 Sakari Ailus 2023-09-08 1091 /* link_freq_menu_items[i]); */ 9a2e5f20d07ed3 Sakari Ailus 2023-09-08 1092 /* goto check_hwcfg_error; */ 9a2e5f20d07ed3 Sakari Ailus 2023-09-08 1093 /* } */ 9a2e5f20d07ed3 Sakari Ailus 2023-09-08 1094 /* } */ 866edc895171f1 Bingbu Cao 2020-05-11 1095 866edc895171f1 Bingbu Cao 2020-05-11 1096 check_hwcfg_error: 866edc895171f1 Bingbu Cao 2020-05-11 1097 v4l2_fwnode_endpoint_free(&bus_cfg); 866edc895171f1 Bingbu Cao 2020-05-11 1098 866edc895171f1 Bingbu Cao 2020-05-11 1099 return ret; 866edc895171f1 Bingbu Cao 2020-05-11 1100 } 866edc895171f1 Bingbu Cao 2020-05-11 1101 :::::: The code at line 1049 was first introduced by commit :::::: 866edc895171f1256aad3e81dce193447955c202 media: i2c: Add ov2740 image sensor driver :::::: TO: Bingbu Cao <bingbu.cao@xxxxxxxxx> :::::: CC: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
