tree: https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers.git topic/fdp1-v2-rebased2 head: 86b4ca1f09bb40114845c618868d447769aef33e commit: 86b4ca1f09bb40114845c618868d447769aef33e [8/8] v4l: platform: Add Renesas R-Car FDP1 Driver config: openrisc-allyesconfig (attached as .config) compiler: or32-linux-gcc (GCC) 4.5.1-or32-1.0rc1 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 86b4ca1f09bb40114845c618868d447769aef33e # save the attached .config to linux build tree make.cross ARCH=openrisc All errors (new ones prefixed by >>): drivers/media/platform/rcar_fdp1.c:1972:2: warning: initialization from incompatible pointer type drivers/media/platform/rcar_fdp1.c: In function 'fdp1_probe': >> drivers/media/platform/rcar_fdp1.c:2264:2: error: implicit declaration of function 'vb2_dma_contig_init_ctx' drivers/media/platform/rcar_fdp1.c:2264:18: warning: assignment makes pointer from integer without a cast >> drivers/media/platform/rcar_fdp1.c:2331:2: error: implicit declaration of function 'vb2_dma_contig_cleanup_ctx' drivers/media/platform/rcar_fdp1.c: At top level: drivers/media/platform/rcar_fdp1.c:2349:12: warning: 'fdp1_pm_runtime_suspend' defined but not used drivers/media/platform/rcar_fdp1.c:2358:12: warning: 'fdp1_pm_runtime_resume' defined but not used vim +/vb2_dma_contig_init_ctx +2264 drivers/media/platform/rcar_fdp1.c 2258 return PTR_ERR(clk); 2259 2260 fdp1->clk_rate = clk_get_rate(clk); 2261 clk_put(clk); 2262 2263 /* Memory allocation contexts */ > 2264 fdp1->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev); 2265 if (IS_ERR(fdp1->alloc_ctx)) { 2266 v4l2_err(&fdp1->v4l2_dev, "Failed to init memory allocator\n"); 2267 return PTR_ERR(fdp1->alloc_ctx); 2268 } 2269 2270 /* V4L2 device registration */ 2271 ret = v4l2_device_register(&pdev->dev, &fdp1->v4l2_dev); 2272 if (ret) { 2273 v4l2_err(&fdp1->v4l2_dev, "Failed to register video device\n"); 2274 goto vb2_allocator_rollback; 2275 } 2276 2277 /* M2M registration */ 2278 fdp1->m2m_dev = v4l2_m2m_init(&m2m_ops); 2279 if (IS_ERR(fdp1->m2m_dev)) { 2280 v4l2_err(&fdp1->v4l2_dev, "Failed to init mem2mem device\n"); 2281 ret = PTR_ERR(fdp1->m2m_dev); 2282 goto unreg_dev; 2283 } 2284 2285 /* Video registration */ 2286 fdp1->vfd = fdp1_videodev; 2287 vfd = &fdp1->vfd; 2288 vfd->lock = &fdp1->dev_mutex; 2289 vfd->v4l2_dev = &fdp1->v4l2_dev; 2290 video_set_drvdata(vfd, fdp1); 2291 strlcpy(vfd->name, fdp1_videodev.name, sizeof(vfd->name)); 2292 2293 ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0); 2294 if (ret) { 2295 v4l2_err(&fdp1->v4l2_dev, "Failed to register video device\n"); 2296 goto release_m2m; 2297 } 2298 2299 v4l2_info(&fdp1->v4l2_dev, 2300 "Device registered as /dev/video%d\n", vfd->num); 2301 2302 /* Power up the cells to read HW */ 2303 pm_runtime_enable(&pdev->dev); 2304 pm_runtime_get_sync(fdp1->dev); 2305 2306 hw_version = fdp1_read(fdp1, FD1_IP_INTDATA); 2307 switch (hw_version) { 2308 case FD1_IP_H3: 2309 dprintk(fdp1, "FDP1 Version R-Car H3\n"); 2310 break; 2311 case FD1_IP_M3W: 2312 dprintk(fdp1, "FDP1 Version R-Car M3-W\n"); 2313 break; 2314 default: 2315 dev_err(fdp1->dev, "FDP1 Unidentifiable (0x%08x)\n", 2316 hw_version); 2317 } 2318 2319 /* Allow the hw to sleep until an open call puts it to use */ 2320 pm_runtime_put(fdp1->dev); 2321 2322 return 0; 2323 2324 release_m2m: 2325 v4l2_m2m_release(fdp1->m2m_dev); 2326 2327 unreg_dev: 2328 v4l2_device_unregister(&fdp1->v4l2_dev); 2329 2330 vb2_allocator_rollback: > 2331 vb2_dma_contig_cleanup_ctx(fdp1->alloc_ctx); 2332 2333 return ret; 2334 } --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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