Hi Tony, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-misc/drm-misc-next] [also build test WARNING on linus/master v6.7-rc4 next-20231205] [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/Tony-Lindgren/dt-bindings-display-bridge-tc358775-make-stby-gpio-and-vdd-supplies-optional/20231202-160622 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20231202075514.44474-10-tony%40atomide.com patch subject: [PATCH v2 09/10] drm/bridge: tc358775: Add support for tc358765 config: x86_64-randconfig-121-20231203 (https://download.01.org/0day-ci/archive/20231206/202312060419.B8qmgrsh-lkp@xxxxxxxxx/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231206/202312060419.B8qmgrsh-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/202312060419.B8qmgrsh-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/bridge/tc358775.c:661:13: warning: cast to smaller integer type 'enum tc3587x5_type' from 'const void *' [-Wvoid-pointer-to-enum-cast] tc->type = (enum tc3587x5_type)of_device_get_match_data(dev); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. vim +661 drivers/gpu/drm/bridge/tc358775.c 648 649 static int tc_probe(struct i2c_client *client) 650 { 651 struct device *dev = &client->dev; 652 struct tc_data *tc; 653 int ret; 654 655 tc = devm_kzalloc(dev, sizeof(*tc), GFP_KERNEL); 656 if (!tc) 657 return -ENOMEM; 658 659 tc->dev = dev; 660 tc->i2c = client; > 661 tc->type = (enum tc3587x5_type)of_device_get_match_data(dev); 662 663 tc->panel_bridge = devm_drm_of_get_bridge(dev, dev->of_node, 664 TC358775_LVDS_OUT0, 0); 665 if (IS_ERR(tc->panel_bridge)) 666 return PTR_ERR(tc->panel_bridge); 667 668 ret = tc358775_parse_dt(dev->of_node, tc); 669 if (ret) 670 return ret; 671 672 tc->vddio = devm_regulator_get(dev, "vddio-supply"); 673 if (IS_ERR(tc->vddio)) { 674 ret = PTR_ERR(tc->vddio); 675 dev_err(dev, "vddio-supply not found\n"); 676 return ret; 677 } 678 679 tc->vdd = devm_regulator_get(dev, "vdd-supply"); 680 if (IS_ERR(tc->vdd)) { 681 ret = PTR_ERR(tc->vdd); 682 dev_err(dev, "vdd-supply not found\n"); 683 return ret; 684 } 685 686 tc->stby_gpio = devm_gpiod_get_optional(dev, "stby", GPIOD_OUT_HIGH); 687 if (IS_ERR(tc->stby_gpio)) 688 return PTR_ERR(tc->stby_gpio); 689 690 tc->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); 691 if (IS_ERR(tc->reset_gpio)) { 692 ret = PTR_ERR(tc->reset_gpio); 693 dev_err(dev, "cannot get reset-gpios %d\n", ret); 694 return ret; 695 } 696 697 tc->bridge.funcs = &tc_bridge_funcs; 698 tc->bridge.of_node = dev->of_node; 699 tc->bridge.pre_enable_prev_first = true; 700 drm_bridge_add(&tc->bridge); 701 702 i2c_set_clientdata(client, tc); 703 704 ret = tc_attach_host(tc); 705 if (ret) 706 goto err_bridge_remove; 707 708 return 0; 709 710 err_bridge_remove: 711 drm_bridge_remove(&tc->bridge); 712 return ret; 713 } 714 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
