Hi Andy, kernel test robot noticed the following build errors:
[auto build test ERROR on drm-misc/drm-misc-next] [also build test ERROR on daeinki-drm-exynos/exynos-drm-next drm/drm-next drm-i915/for-linux-next drm-i915/for-linux-next-fixes drm-tip/drm-tip linus/master v7.1-rc2 next-20260508] [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/Andy-Shevchenko/drm-repaper-simplify-with-spi_get_device_match_data/20260510-091051 base: https://gitlab.freedesktop.org/drm/misc/kernel.git drm-misc-next patch link: https://lore.kernel.org/r/20260508080243.1144046-1-andriy.shevchenko%40linux.intel.com patch subject: [PATCH v1 1/1] drm/repaper: simplify with spi_get_device_match_data() config: arm-randconfig-002-20260510 (https://download.01.org/0day-ci/archive/20260510/[email protected]/config) compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 5bac06718f502014fade905512f1d26d578a18f3) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260510/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All errors (new ones prefixed by >>): >> drivers/gpu/drm/tiny/repaper.c:1016:67: error: incompatible pointer types >> passing 'struct device *' to parameter of type 'const struct spi_device *' >> [-Wincompatible-pointer-types] 1016 | model = (enum repaper_model)(uintptr_t)spi_get_device_match_data(dev); | ^~~ include/linux/spi/spi.h:1757:52: note: passing argument to parameter 'sdev' here 1757 | spi_get_device_match_data(const struct spi_device *sdev); | ^ 1 error generated. vim +1016 drivers/gpu/drm/tiny/repaper.c 940 941 static int repaper_probe(struct spi_device *spi) 942 { 943 const struct drm_display_mode *mode; 944 struct device *dev = &spi->dev; 945 enum repaper_model model; 946 const char *thermal_zone; 947 struct repaper_epd *epd; 948 size_t line_buffer_size; 949 struct drm_device *drm; 950 int ret; 951 952 /* The SPI device is used to allocate dma memory */ 953 if (!dev->coherent_dma_mask) { 954 ret = dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(32)); 955 if (ret) { 956 dev_warn(dev, "Failed to set dma mask %d\n", ret); 957 return ret; 958 } 959 } 960 961 epd = devm_drm_dev_alloc(dev, &repaper_driver, 962 struct repaper_epd, drm); 963 if (IS_ERR(epd)) 964 return PTR_ERR(epd); 965 966 drm = &epd->drm; 967 968 ret = drmm_mode_config_init(drm); 969 if (ret) 970 return ret; 971 drm->mode_config.funcs = &repaper_mode_config_funcs; 972 973 epd->spi = spi; 974 975 epd->panel_on = devm_gpiod_get(dev, "panel-on", GPIOD_OUT_LOW); 976 if (IS_ERR(epd->panel_on)) { 977 ret = PTR_ERR(epd->panel_on); 978 if (ret != -EPROBE_DEFER) 979 DRM_DEV_ERROR(dev, "Failed to get gpio 'panel-on'\n"); 980 return ret; 981 } 982 983 epd->discharge = devm_gpiod_get(dev, "discharge", GPIOD_OUT_LOW); 984 if (IS_ERR(epd->discharge)) { 985 ret = PTR_ERR(epd->discharge); 986 if (ret != -EPROBE_DEFER) 987 DRM_DEV_ERROR(dev, "Failed to get gpio 'discharge'\n"); 988 return ret; 989 } 990 991 epd->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); 992 if (IS_ERR(epd->reset)) { 993 ret = PTR_ERR(epd->reset); 994 if (ret != -EPROBE_DEFER) 995 DRM_DEV_ERROR(dev, "Failed to get gpio 'reset'\n"); 996 return ret; 997 } 998 999 epd->busy = devm_gpiod_get(dev, "busy", GPIOD_IN); 1000 if (IS_ERR(epd->busy)) { 1001 ret = PTR_ERR(epd->busy); 1002 if (ret != -EPROBE_DEFER) 1003 DRM_DEV_ERROR(dev, "Failed to get gpio 'busy'\n"); 1004 return ret; 1005 } 1006 1007 if (!device_property_read_string(dev, "pervasive,thermal-zone", 1008 &thermal_zone)) { 1009 epd->thermal = thermal_zone_get_zone_by_name(thermal_zone); 1010 if (IS_ERR(epd->thermal)) { 1011 DRM_DEV_ERROR(dev, "Failed to get thermal zone: %s\n", thermal_zone); 1012 return PTR_ERR(epd->thermal); 1013 } 1014 } 1015 > 1016 model = (enum > repaper_model)(uintptr_t)spi_get_device_match_data(dev); 1017 switch (model) { 1018 case E1144CS021: 1019 mode = &repaper_e1144cs021_mode; 1020 epd->channel_select = repaper_e1144cs021_cs; 1021 epd->stage_time = 480; 1022 epd->bytes_per_scan = 96 / 4; 1023 epd->middle_scan = true; /* data-scan-data */ 1024 epd->pre_border_byte = false; 1025 epd->border_byte = REPAPER_BORDER_BYTE_ZERO; 1026 break; 1027 1028 case E1190CS021: 1029 mode = &repaper_e1190cs021_mode; 1030 epd->channel_select = repaper_e1190cs021_cs; 1031 epd->stage_time = 480; 1032 epd->bytes_per_scan = 128 / 4 / 2; 1033 epd->middle_scan = false; /* scan-data-scan */ 1034 epd->pre_border_byte = false; 1035 epd->border_byte = REPAPER_BORDER_BYTE_SET; 1036 break; 1037 1038 case E2200CS021: 1039 mode = &repaper_e2200cs021_mode; 1040 epd->channel_select = repaper_e2200cs021_cs; 1041 epd->stage_time = 480; 1042 epd->bytes_per_scan = 96 / 4; 1043 epd->middle_scan = true; /* data-scan-data */ 1044 epd->pre_border_byte = true; 1045 epd->border_byte = REPAPER_BORDER_BYTE_NONE; 1046 break; 1047 1048 case E2271CS021: 1049 epd->border = devm_gpiod_get(dev, "border", GPIOD_OUT_LOW); 1050 if (IS_ERR(epd->border)) { 1051 ret = PTR_ERR(epd->border); 1052 if (ret != -EPROBE_DEFER) 1053 DRM_DEV_ERROR(dev, "Failed to get gpio 'border'\n"); 1054 return ret; 1055 } 1056 1057 mode = &repaper_e2271cs021_mode; 1058 epd->channel_select = repaper_e2271cs021_cs; 1059 epd->stage_time = 630; 1060 epd->bytes_per_scan = 176 / 4; 1061 epd->middle_scan = true; /* data-scan-data */ 1062 epd->pre_border_byte = true; 1063 epd->border_byte = REPAPER_BORDER_BYTE_NONE; 1064 break; 1065 1066 default: 1067 return -ENODEV; 1068 } 1069 1070 epd->mode = mode; 1071 epd->width = mode->hdisplay; 1072 epd->height = mode->vdisplay; 1073 epd->factored_stage_time = epd->stage_time; 1074 1075 line_buffer_size = 2 * epd->width / 8 + epd->bytes_per_scan + 2; 1076 epd->line_buffer = devm_kzalloc(dev, line_buffer_size, GFP_KERNEL); 1077 if (!epd->line_buffer) 1078 return -ENOMEM; 1079 1080 epd->current_frame = devm_kzalloc(dev, epd->width * epd->height / 8, 1081 GFP_KERNEL); 1082 if (!epd->current_frame) 1083 return -ENOMEM; 1084 1085 drm->mode_config.min_width = mode->hdisplay; 1086 drm->mode_config.max_width = mode->hdisplay; 1087 drm->mode_config.min_height = mode->vdisplay; 1088 drm->mode_config.max_height = mode->vdisplay; 1089 1090 drm_connector_helper_add(&epd->connector, &repaper_connector_hfuncs); 1091 ret = drm_connector_init(drm, &epd->connector, &repaper_connector_funcs, 1092 DRM_MODE_CONNECTOR_SPI); 1093 if (ret) 1094 return ret; 1095 1096 ret = drm_simple_display_pipe_init(drm, &epd->pipe, &repaper_pipe_funcs, 1097 repaper_formats, ARRAY_SIZE(repaper_formats), 1098 NULL, &epd->connector); 1099 if (ret) 1100 return ret; 1101 1102 drm_mode_config_reset(drm); 1103 1104 ret = drm_dev_register(drm, 0); 1105 if (ret) 1106 return ret; 1107 1108 spi_set_drvdata(spi, drm); 1109 1110 DRM_DEBUG_DRIVER("SPI speed: %uMHz\n", spi->max_speed_hz / 1000000); 1111 1112 drm_client_setup(drm, NULL); 1113 1114 return 0; 1115 } 1116 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
