Hi Kuninori, kernel test robot noticed the following build warnings: [auto build test WARNING on broonie-sound/for-next] [also build test WARNING on linus/master v6.8-rc1 next-20240125] [cannot apply to robh/for-next drm-misc/drm-misc-next] [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/Kuninori-Morimoto/of-property-add-port-base-loop/20240123-081427 base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next patch link: https://lore.kernel.org/r/874jf4ud77.wl-kuninori.morimoto.gx%40renesas.com patch subject: [PATCH 11/13] fbdev: omapfb: use of_graph_get_next_port() config: i386-buildonly-randconfig-003-20240127 (https://download.01.org/0day-ci/archive/20240127/202401272336.CCkvpjde-lkp@xxxxxxxxx/config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240127/202401272336.CCkvpjde-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/202401272336.CCkvpjde-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/video/fbdev/omap2/omapfb/dss/dss.c: In function 'dss_init_ports': drivers/video/fbdev/omap2/omapfb/dss/dss.c:925:9: error: implicit declaration of function 'of_graph_get_next_port'; did you mean 'of_get_next_parent'? [-Werror=implicit-function-declaration] port = of_graph_get_next_port(parent, NULL); ^~~~~~~~~~~~~~~~~~~~~~ of_get_next_parent >> drivers/video/fbdev/omap2/omapfb/dss/dss.c:925:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion] port = of_graph_get_next_port(parent, NULL); ^ drivers/video/fbdev/omap2/omapfb/dss/dss.c:956:10: warning: assignment makes pointer from integer without a cast [-Wint-conversion] (port = of_graph_get_next_port(parent, port)) != NULL); ^ drivers/video/fbdev/omap2/omapfb/dss/dss.c: In function 'dss_uninit_ports': drivers/video/fbdev/omap2/omapfb/dss/dss.c:972:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion] port = of_graph_get_next_port(parent, NULL); ^ drivers/video/fbdev/omap2/omapfb/dss/dss.c:1003:17: warning: assignment makes pointer from integer without a cast [-Wint-conversion] } while ((port = of_graph_get_next_port(parent, port)) != NULL); ^ cc1: some warnings being treated as errors vim +925 drivers/video/fbdev/omap2/omapfb/dss/dss.c 915 916 static int dss_init_ports(struct platform_device *pdev) 917 { 918 struct device_node *parent = pdev->dev.of_node; 919 struct device_node *port; 920 int r, ret = 0; 921 922 if (parent == NULL) 923 return 0; 924 > 925 port = of_graph_get_next_port(parent, NULL); 926 if (!port) 927 return 0; 928 929 if (dss.feat->num_ports == 0) 930 return 0; 931 932 do { 933 enum omap_display_type port_type; 934 u32 reg; 935 936 r = of_property_read_u32(port, "reg", ®); 937 if (r) 938 reg = 0; 939 940 if (reg >= dss.feat->num_ports) 941 continue; 942 943 port_type = dss.feat->ports[reg]; 944 945 switch (port_type) { 946 case OMAP_DISPLAY_TYPE_DPI: 947 ret = dpi_init_port(pdev, port); 948 break; 949 case OMAP_DISPLAY_TYPE_SDI: 950 ret = sdi_init_port(pdev, port); 951 break; 952 default: 953 break; 954 } 955 } while (!ret && 956 (port = of_graph_get_next_port(parent, port)) != NULL); 957 958 if (ret) 959 dss_uninit_ports(pdev); 960 961 return ret; 962 } 963 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
