Hi Akhil, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 1e1b28b936aed946122b4e0991e7144fdbbfd77e commit: ee17028009d49fffed8cc963455d33b1fd3f1d08 [2403/11651] dmaengine: tegra: Add tegra gpcdma driver config: sparc64-randconfig-r036-20220516 (https://download.01.org/0day-ci/archive/20220516/202205161805.apHgHsVO-lkp@xxxxxxxxx/config) compiler: sparc64-linux-gcc (GCC) 11.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=ee17028009d49fffed8cc963455d33b1fd3f1d08 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout ee17028009d49fffed8cc963455d33b1fd3f1d08 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=sparc64 SHELL=/bin/bash drivers/dma/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/dma/tegra186-gpc-dma.c: In function 'tegra_dma_probe': >> drivers/dma/tegra186-gpc-dma.c:1365:31: error: 'struct iommu_fwspec' has no member named 'ids' 1365 | stream_id = iommu_spec->ids[0] & 0xffff; | ^~ vim +1365 drivers/dma/tegra186-gpc-dma.c 1325 1326 static int tegra_dma_probe(struct platform_device *pdev) 1327 { 1328 const struct tegra_dma_chip_data *cdata = NULL; 1329 struct iommu_fwspec *iommu_spec; 1330 unsigned int stream_id, i; 1331 struct tegra_dma *tdma; 1332 struct resource *res; 1333 int ret; 1334 1335 cdata = of_device_get_match_data(&pdev->dev); 1336 1337 tdma = devm_kzalloc(&pdev->dev, 1338 struct_size(tdma, channels, cdata->nr_channels), 1339 GFP_KERNEL); 1340 if (!tdma) 1341 return -ENOMEM; 1342 1343 tdma->dev = &pdev->dev; 1344 tdma->chip_data = cdata; 1345 platform_set_drvdata(pdev, tdma); 1346 1347 tdma->base_addr = devm_platform_ioremap_resource(pdev, 0); 1348 if (IS_ERR(tdma->base_addr)) 1349 return PTR_ERR(tdma->base_addr); 1350 1351 tdma->rst = devm_reset_control_get_exclusive(&pdev->dev, "gpcdma"); 1352 if (IS_ERR(tdma->rst)) { 1353 return dev_err_probe(&pdev->dev, PTR_ERR(tdma->rst), 1354 "Missing controller reset\n"); 1355 } 1356 reset_control_reset(tdma->rst); 1357 1358 tdma->dma_dev.dev = &pdev->dev; 1359 1360 iommu_spec = dev_iommu_fwspec_get(&pdev->dev); 1361 if (!iommu_spec) { 1362 dev_err(&pdev->dev, "Missing iommu stream-id\n"); 1363 return -EINVAL; 1364 } > 1365 stream_id = iommu_spec->ids[0] & 0xffff; 1366 1367 INIT_LIST_HEAD(&tdma->dma_dev.channels); 1368 for (i = 0; i < cdata->nr_channels; i++) { 1369 struct tegra_dma_channel *tdc = &tdma->channels[i]; 1370 1371 tdc->chan_base_offset = TEGRA_GPCDMA_CHANNEL_BASE_ADD_OFFSET + 1372 i * cdata->channel_reg_size; 1373 res = platform_get_resource(pdev, IORESOURCE_IRQ, i); 1374 if (!res) { 1375 dev_err(&pdev->dev, "No irq resource for chan %d\n", i); 1376 return -EINVAL; 1377 } 1378 tdc->irq = res->start; 1379 snprintf(tdc->name, sizeof(tdc->name), "gpcdma.%d", i); 1380 1381 tdc->tdma = tdma; 1382 tdc->id = i; 1383 tdc->slave_id = -1; 1384 1385 vchan_init(&tdc->vc, &tdma->dma_dev); 1386 tdc->vc.desc_free = tegra_dma_desc_free; 1387 1388 /* program stream-id for this channel */ 1389 tegra_dma_program_sid(tdc, stream_id); 1390 tdc->stream_id = stream_id; 1391 } 1392 1393 dma_cap_set(DMA_SLAVE, tdma->dma_dev.cap_mask); 1394 dma_cap_set(DMA_PRIVATE, tdma->dma_dev.cap_mask); 1395 dma_cap_set(DMA_MEMCPY, tdma->dma_dev.cap_mask); 1396 dma_cap_set(DMA_MEMSET, tdma->dma_dev.cap_mask); 1397 dma_cap_set(DMA_CYCLIC, tdma->dma_dev.cap_mask); 1398 1399 /* 1400 * Only word aligned transfers are supported. Set the copy 1401 * alignment shift. 1402 */ 1403 tdma->dma_dev.copy_align = 2; 1404 tdma->dma_dev.fill_align = 2; 1405 tdma->dma_dev.device_alloc_chan_resources = 1406 tegra_dma_alloc_chan_resources; 1407 tdma->dma_dev.device_free_chan_resources = 1408 tegra_dma_free_chan_resources; 1409 tdma->dma_dev.device_prep_slave_sg = tegra_dma_prep_slave_sg; 1410 tdma->dma_dev.device_prep_dma_memcpy = tegra_dma_prep_dma_memcpy; 1411 tdma->dma_dev.device_prep_dma_memset = tegra_dma_prep_dma_memset; 1412 tdma->dma_dev.device_prep_dma_cyclic = tegra_dma_prep_dma_cyclic; 1413 tdma->dma_dev.device_config = tegra_dma_slave_config; 1414 tdma->dma_dev.device_terminate_all = tegra_dma_terminate_all; 1415 tdma->dma_dev.device_tx_status = tegra_dma_tx_status; 1416 tdma->dma_dev.device_issue_pending = tegra_dma_issue_pending; 1417 tdma->dma_dev.device_pause = tegra_dma_device_pause; 1418 tdma->dma_dev.device_resume = tegra_dma_device_resume; 1419 tdma->dma_dev.device_synchronize = tegra_dma_chan_synchronize; 1420 tdma->dma_dev.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST; 1421 1422 ret = dma_async_device_register(&tdma->dma_dev); 1423 if (ret < 0) { 1424 dev_err_probe(&pdev->dev, ret, 1425 "GPC DMA driver registration failed\n"); 1426 return ret; 1427 } 1428 1429 ret = of_dma_controller_register(pdev->dev.of_node, 1430 tegra_dma_of_xlate, tdma); 1431 if (ret < 0) { 1432 dev_err_probe(&pdev->dev, ret, 1433 "GPC DMA OF registration failed\n"); 1434 1435 dma_async_device_unregister(&tdma->dma_dev); 1436 return ret; 1437 } 1438 1439 dev_info(&pdev->dev, "GPC DMA driver register %d channels\n", 1440 cdata->nr_channels); 1441 1442 return 0; 1443 } 1444 -- 0-DAY CI Kernel Test Service https://01.org/lkp
