tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 985bf40edf4343dcb04c33f58b40b4a85c1776d4 commit: e0cb0c785250d0565c19ba17fc95bd7ab97670ba [7644/8126] drm/panel: visionox-vtdr6130: switch to devm_regulator_bulk_get_const config: i386-randconfig-012-20240901 (https://download.01.org/0day-ci/archive/20240901/202409010839.kJVvn5zx-lkp@xxxxxxxxx/config) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240901/202409010839.kJVvn5zx-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/202409010839.kJVvn5zx-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): >> drivers/gpu/drm/panel/panel-visionox-vtdr6130.c:255:8: error: call to undeclared function 'devm_regulator_bulk_get_const'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 255 | ret = devm_regulator_bulk_get_const(&dsi->dev, | ^ 1 error generated. vim +/devm_regulator_bulk_get_const +255 drivers/gpu/drm/panel/panel-visionox-vtdr6130.c 244 245 static int visionox_vtdr6130_probe(struct mipi_dsi_device *dsi) 246 { 247 struct device *dev = &dsi->dev; 248 struct visionox_vtdr6130 *ctx; 249 int ret; 250 251 ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); 252 if (!ctx) 253 return -ENOMEM; 254 > 255 ret = devm_regulator_bulk_get_const(&dsi->dev, 256 ARRAY_SIZE(visionox_vtdr6130_supplies), 257 visionox_vtdr6130_supplies, 258 &ctx->supplies); 259 if (ret < 0) 260 return ret; 261 262 ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); 263 if (IS_ERR(ctx->reset_gpio)) 264 return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio), 265 "Failed to get reset-gpios\n"); 266 267 ctx->dsi = dsi; 268 mipi_dsi_set_drvdata(dsi, ctx); 269 270 dsi->lanes = 4; 271 dsi->format = MIPI_DSI_FMT_RGB888; 272 dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_NO_EOT_PACKET | 273 MIPI_DSI_CLOCK_NON_CONTINUOUS; 274 ctx->panel.prepare_prev_first = true; 275 276 drm_panel_init(&ctx->panel, dev, &visionox_vtdr6130_panel_funcs, 277 DRM_MODE_CONNECTOR_DSI); 278 279 ctx->panel.backlight = visionox_vtdr6130_create_backlight(dsi); 280 if (IS_ERR(ctx->panel.backlight)) 281 return dev_err_probe(dev, PTR_ERR(ctx->panel.backlight), 282 "Failed to create backlight\n"); 283 284 drm_panel_add(&ctx->panel); 285 286 ret = mipi_dsi_attach(dsi); 287 if (ret < 0) { 288 dev_err(dev, "Failed to attach to DSI host: %d\n", ret); 289 drm_panel_remove(&ctx->panel); 290 return ret; 291 } 292 293 return 0; 294 } 295 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
