Hi Steve, I love your patch! Yet something to improve: [auto build test ERROR on linuxtv-media/master] [cannot apply to v5.3-rc5 next-20190823] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Steve-Longerbeam/media-imx-Move-capture-device-init-to-registered/20190824-182241 base: git://linuxtv.org/media_tree.git master config: sparc64-allmodconfig (attached as .config) compiler: sparc64-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=sparc64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot Note: the linux-review/Steve-Longerbeam/media-imx-Move-capture-device-init-to-registered/20190824-182241 HEAD 7c4284abbf1ba252792db5645a7004bd033dd3b0 builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): drivers/staging/media/imx/imx-ic-prpencvf.c: In function 'prp_registered': >> drivers/staging/media/imx/imx-ic-prpencvf.c:1274:45: error: 'ic_priv' undeclared (first use in this function); did you mean 'priv'? priv->vdev = imx_media_capture_device_init(ic_priv->ipu_dev, ^~~~~~~ priv drivers/staging/media/imx/imx-ic-prpencvf.c:1274:45: note: each undeclared identifier is reported only once for each function it appears in vim +1274 drivers/staging/media/imx/imx-ic-prpencvf.c 1242 1243 /* 1244 * retrieve our pads parsed from the OF graph by the media device 1245 */ 1246 static int prp_registered(struct v4l2_subdev *sd) 1247 { 1248 struct prp_priv *priv = sd_to_priv(sd); 1249 int i, ret; 1250 u32 code; 1251 1252 for (i = 0; i < PRPENCVF_NUM_PADS; i++) { 1253 priv->pad[i].flags = (i == PRPENCVF_SINK_PAD) ? 1254 MEDIA_PAD_FL_SINK : MEDIA_PAD_FL_SOURCE; 1255 1256 /* set a default mbus format */ 1257 imx_media_enum_ipu_format(&code, 0, CS_SEL_YUV); 1258 ret = imx_media_init_mbus_fmt(&priv->format_mbus[i], 1259 640, 480, code, V4L2_FIELD_NONE, 1260 &priv->cc[i]); 1261 if (ret) 1262 return ret; 1263 } 1264 1265 /* init default frame interval */ 1266 priv->frame_interval.numerator = 1; 1267 priv->frame_interval.denominator = 30; 1268 1269 ret = media_entity_pads_init(&sd->entity, PRPENCVF_NUM_PADS, 1270 priv->pad); 1271 if (ret) 1272 return ret; 1273 > 1274 priv->vdev = imx_media_capture_device_init(ic_priv->ipu_dev, 1275 &ic_priv->sd, 1276 PRPENCVF_SRC_PAD); 1277 if (IS_ERR(priv->vdev)) 1278 return PTR_ERR(priv->vdev); 1279 1280 ret = imx_media_capture_device_register(priv->vdev); 1281 if (ret) 1282 goto remove_vdev; 1283 1284 ret = prp_init_controls(priv); 1285 if (ret) 1286 goto unreg_vdev; 1287 1288 return 0; 1289 1290 unreg_vdev: 1291 imx_media_capture_device_unregister(priv->vdev); 1292 remove_vdev: 1293 imx_media_capture_device_remove(priv->vdev); 1294 return ret; 1295 } 1296 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation