tree: git://git.kernel.org/pub/scm/linux/kernel/git/lkundrak/linux-mmp.git lr/ariel head: 3b3435a6c3878066e2dd2b04e45149e022a99275 commit: d4a59e49d7c23174394812792c5a27a33b9bac29 [68/73] drm/armada: Use non-componentized bridges config: arm-allyesconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout d4a59e49d7c23174394812792c5a27a33b9bac29 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): drivers/gpu/drm/armada/armada_drv.c: In function 'armada_drm_attach_bridge': 133 | printk ("XXX XX %08x %pOFfcFn", bridge, np); | ~~~^ ~~~~~~ | | | | unsigned int struct drm_bridge * vim +133 drivers/gpu/drm/armada/armada_drv.c 121 122 static int armada_drm_attach_bridge(struct drm_device *drm, struct device_node *np) 123 { 124 struct drm_encoder *encoder; 125 struct drm_bridge *bridge; 126 int ret; 127 128 encoder = devm_kzalloc(drm->dev, sizeof(*encoder), GFP_KERNEL); 129 if (encoder == NULL) 130 return -ENOMEM; 131 132 bridge = of_drm_find_bridge(np); 134 if (!bridge) 135 return -EINVAL; 136 137 encoder->possible_crtcs = drm_of_find_possible_crtcs(drm, np); 138 ret = drm_encoder_init(drm, encoder, &armada_drm_encoder_funcs, 139 DRM_MODE_ENCODER_TMDS, NULL); 140 if (ret) 141 return ret; 142 143 ret = drm_bridge_attach(encoder, bridge, NULL, 0); 144 if (ret) 145 drm_encoder_cleanup(encoder); 146 147 return ret; 148 } 149 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org