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charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 09a0fa92e5b45e99cf435b2fbf5ebcf889cf8780 commit: 6c41ac96ad9217fe2a6f31c9dcc31b97365b21f6 dmaengine: tegra-apb: Support COMPILE_TEST date: 4 years, 10 months ago config: arm-randconfig-004-20230928 (https://download.01.org/0day-ci/archive/20250108/202501082311.xokGSZTf-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 12.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250108/202501082311.xokGSZTf-lkp@intel.com/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 | Closes: https://lore.kernel.org/oe-kbuild-all/202501082311.xokGSZTf-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/dma/tegra20-apb-dma.c:1593:12: warning: 'tegra_dma_runtime_resume' defined but not used [-Wunused-function] 1593 | static int tegra_dma_runtime_resume(struct device *dev) | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/dma/tegra20-apb-dma.c:1584:12: warning: 'tegra_dma_runtime_suspend' defined but not used [-Wunused-function] 1584 | static int tegra_dma_runtime_suspend(struct device *dev) | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/dma/tegra20-apb-dma.c: In function 'tegra_dma_probe': >> drivers/dma/tegra20-apb-dma.c:1484:64: warning: '%d' directive output may be truncated writing between 1 and 8 bytes into a region of size 5 [-Wformat-truncation=] 1484 | snprintf(tdc->name, sizeof(tdc->name), "apbdma.%d", i); | ^~ drivers/dma/tegra20-apb-dma.c:1484:56: note: directive argument in the range [0, 16777215] 1484 | snprintf(tdc->name, sizeof(tdc->name), "apbdma.%d", i); | ^~~~~~~~~~~ drivers/dma/tegra20-apb-dma.c:1484:17: note: 'snprintf' output between 9 and 16 bytes into a destination of size 12 1484 | snprintf(tdc->name, sizeof(tdc->name), "apbdma.%d", i); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +1484 drivers/dma/tegra20-apb-dma.c dcb394b6b5fb7f Dmitry Osipenko 2020-02-09 1419 463a1f8b3ceebe Bill Pemberton 2012-11-19 1420 static int tegra_dma_probe(struct platform_device *pdev) ec8a1586780cbb Laxman Dewangan 2012-06-06 1421 { 3964293aecf9c6 Dmitry Osipenko 2020-02-09 1422 const struct tegra_dma_chip_data *cdata; ec8a1586780cbb Laxman Dewangan 2012-06-06 1423 struct tegra_dma *tdma; 3964293aecf9c6 Dmitry Osipenko 2020-02-09 1424 unsigned int i; 3964293aecf9c6 Dmitry Osipenko 2020-02-09 1425 size_t size; ec8a1586780cbb Laxman Dewangan 2012-06-06 1426 int ret; dc7badba194227 Stephen Warren 2013-03-11 1427 333f16ec68f6fc Laxman Dewangan 2016-03-01 1428 cdata = of_device_get_match_data(&pdev->dev); 3964293aecf9c6 Dmitry Osipenko 2020-02-09 1429 size = struct_size(tdma, channels, cdata->nr_channels); ec8a1586780cbb Laxman Dewangan 2012-06-06 1430 3964293aecf9c6 Dmitry Osipenko 2020-02-09 1431 tdma = devm_kzalloc(&pdev->dev, size, GFP_KERNEL); aef94fea97eb77 Peter Griffin 2016-06-07 1432 if (!tdma) ec8a1586780cbb Laxman Dewangan 2012-06-06 1433 return -ENOMEM; ec8a1586780cbb Laxman Dewangan 2012-06-06 1434 ec8a1586780cbb Laxman Dewangan 2012-06-06 1435 tdma->dev = &pdev->dev; ec8a1586780cbb Laxman Dewangan 2012-06-06 1436 tdma->chip_data = cdata; ec8a1586780cbb Laxman Dewangan 2012-06-06 1437 platform_set_drvdata(pdev, tdma); ec8a1586780cbb Laxman Dewangan 2012-06-06 1438 c55c745e6f2696 Dmitry Osipenko 2020-02-09 1439 tdma->base_addr = devm_platform_ioremap_resource(pdev, 0); 7331205a9662a7 Thierry Reding 2013-01-21 1440 if (IS_ERR(tdma->base_addr)) 7331205a9662a7 Thierry Reding 2013-01-21 1441 return PTR_ERR(tdma->base_addr); ec8a1586780cbb Laxman Dewangan 2012-06-06 1442 ec8a1586780cbb Laxman Dewangan 2012-06-06 1443 tdma->dma_clk = devm_clk_get(&pdev->dev, NULL); ec8a1586780cbb Laxman Dewangan 2012-06-06 1444 if (IS_ERR(tdma->dma_clk)) { ec8a1586780cbb Laxman Dewangan 2012-06-06 1445 dev_err(&pdev->dev, "Error: Missing controller clock\n"); ec8a1586780cbb Laxman Dewangan 2012-06-06 1446 return PTR_ERR(tdma->dma_clk); ec8a1586780cbb Laxman Dewangan 2012-06-06 1447 } ec8a1586780cbb Laxman Dewangan 2012-06-06 1448 9aa433d2a77220 Stephen Warren 2013-11-06 1449 tdma->rst = devm_reset_control_get(&pdev->dev, "dma"); 9aa433d2a77220 Stephen Warren 2013-11-06 1450 if (IS_ERR(tdma->rst)) { 9aa433d2a77220 Stephen Warren 2013-11-06 1451 dev_err(&pdev->dev, "Error: Missing reset\n"); 9aa433d2a77220 Stephen Warren 2013-11-06 1452 return PTR_ERR(tdma->rst); 9aa433d2a77220 Stephen Warren 2013-11-06 1453 } 9aa433d2a77220 Stephen Warren 2013-11-06 1454 ec8a1586780cbb Laxman Dewangan 2012-06-06 1455 spin_lock_init(&tdma->global_lock); ec8a1586780cbb Laxman Dewangan 2012-06-06 1456 84a3f375eea984 Dmitry Osipenko 2020-02-09 1457 ret = clk_prepare(tdma->dma_clk); 84a3f375eea984 Dmitry Osipenko 2020-02-09 1458 if (ret) 84a3f375eea984 Dmitry Osipenko 2020-02-09 1459 return ret; 84a3f375eea984 Dmitry Osipenko 2020-02-09 1460 dcb394b6b5fb7f Dmitry Osipenko 2020-02-09 1461 ret = tegra_dma_init_hw(tdma); dcb394b6b5fb7f Dmitry Osipenko 2020-02-09 1462 if (ret) dcb394b6b5fb7f Dmitry Osipenko 2020-02-09 1463 goto err_clk_unprepare; dcb394b6b5fb7f Dmitry Osipenko 2020-02-09 1464 84a3f375eea984 Dmitry Osipenko 2020-02-09 1465 pm_runtime_irq_safe(&pdev->dev); ec8a1586780cbb Laxman Dewangan 2012-06-06 1466 pm_runtime_enable(&pdev->dev); ec8a1586780cbb Laxman Dewangan 2012-06-06 1467 ec8a1586780cbb Laxman Dewangan 2012-06-06 1468 INIT_LIST_HEAD(&tdma->dma_dev.channels); ec8a1586780cbb Laxman Dewangan 2012-06-06 1469 for (i = 0; i < cdata->nr_channels; i++) { ec8a1586780cbb Laxman Dewangan 2012-06-06 1470 struct tegra_dma_channel *tdc = &tdma->channels[i]; 2cd3d13cb4aa73 Dmitry Osipenko 2020-02-09 1471 int irq; ec8a1586780cbb Laxman Dewangan 2012-06-06 1472 13a3328638dd00 Jon Hunter 2015-08-06 1473 tdc->chan_addr = tdma->base_addr + 13a3328638dd00 Jon Hunter 2015-08-06 1474 TEGRA_APBDMA_CHANNEL_BASE_ADD_OFFSET + 13a3328638dd00 Jon Hunter 2015-08-06 1475 (i * cdata->channel_reg_size); ec8a1586780cbb Laxman Dewangan 2012-06-06 1476 2cd3d13cb4aa73 Dmitry Osipenko 2020-02-09 1477 irq = platform_get_irq(pdev, i); 2cd3d13cb4aa73 Dmitry Osipenko 2020-02-09 1478 if (irq < 0) { 2cd3d13cb4aa73 Dmitry Osipenko 2020-02-09 1479 ret = irq; ec8a1586780cbb Laxman Dewangan 2012-06-06 1480 dev_err(&pdev->dev, "No irq resource for chan %d\n", i); 2cd3d13cb4aa73 Dmitry Osipenko 2020-02-09 1481 goto err_pm_disable; ec8a1586780cbb Laxman Dewangan 2012-06-06 1482 } 2cd3d13cb4aa73 Dmitry Osipenko 2020-02-09 1483 d0fc905429f7f5 Laxman Dewangan 2012-10-03 @1484 snprintf(tdc->name, sizeof(tdc->name), "apbdma.%d", i); 2cd3d13cb4aa73 Dmitry Osipenko 2020-02-09 1485 ret = devm_request_irq(&pdev->dev, irq, tegra_dma_isr, 0, 2cd3d13cb4aa73 Dmitry Osipenko 2020-02-09 1486 tdc->name, tdc); ec8a1586780cbb Laxman Dewangan 2012-06-06 1487 if (ret) { ec8a1586780cbb Laxman Dewangan 2012-06-06 1488 dev_err(&pdev->dev, ec8a1586780cbb Laxman Dewangan 2012-06-06 1489 "request_irq failed with err %d channel %d\n", ac7ae754d59257 Dmitry Osipenko 2013-05-11 1490 ret, i); 2cd3d13cb4aa73 Dmitry Osipenko 2020-02-09 1491 goto err_pm_disable; ec8a1586780cbb Laxman Dewangan 2012-06-06 1492 } ec8a1586780cbb Laxman Dewangan 2012-06-06 1493 ec8a1586780cbb Laxman Dewangan 2012-06-06 1494 tdc->dma_chan.device = &tdma->dma_dev; ec8a1586780cbb Laxman Dewangan 2012-06-06 1495 dma_cookie_init(&tdc->dma_chan); ec8a1586780cbb Laxman Dewangan 2012-06-06 1496 list_add_tail(&tdc->dma_chan.device_node, ec8a1586780cbb Laxman Dewangan 2012-06-06 1497 &tdma->dma_dev.channels); ec8a1586780cbb Laxman Dewangan 2012-06-06 1498 tdc->tdma = tdma; ec8a1586780cbb Laxman Dewangan 2012-06-06 1499 tdc->id = i; 00ef4490ebfa41 Shardar Shariff Md 2016-04-23 1500 tdc->slave_id = TEGRA_APBDMA_SLAVE_ID_INVALID; ec8a1586780cbb Laxman Dewangan 2012-06-06 1501 ec8a1586780cbb Laxman Dewangan 2012-06-06 1502 tasklet_init(&tdc->tasklet, tegra_dma_tasklet, ec8a1586780cbb Laxman Dewangan 2012-06-06 1503 (unsigned long)tdc); ec8a1586780cbb Laxman Dewangan 2012-06-06 1504 spin_lock_init(&tdc->lock); ec8a1586780cbb Laxman Dewangan 2012-06-06 1505 ec8a1586780cbb Laxman Dewangan 2012-06-06 1506 INIT_LIST_HEAD(&tdc->pending_sg_req); ec8a1586780cbb Laxman Dewangan 2012-06-06 1507 INIT_LIST_HEAD(&tdc->free_sg_req); ec8a1586780cbb Laxman Dewangan 2012-06-06 1508 INIT_LIST_HEAD(&tdc->free_dma_desc); ec8a1586780cbb Laxman Dewangan 2012-06-06 1509 INIT_LIST_HEAD(&tdc->cb_desc); ec8a1586780cbb Laxman Dewangan 2012-06-06 1510 } ec8a1586780cbb Laxman Dewangan 2012-06-06 1511 ec8a1586780cbb Laxman Dewangan 2012-06-06 1512 dma_cap_set(DMA_SLAVE, tdma->dma_dev.cap_mask); ec8a1586780cbb Laxman Dewangan 2012-06-06 1513 dma_cap_set(DMA_PRIVATE, tdma->dma_dev.cap_mask); 46fb3f8ef5bde1 Laxman Dewangan 2012-06-22 1514 dma_cap_set(DMA_CYCLIC, tdma->dma_dev.cap_mask); 46fb3f8ef5bde1 Laxman Dewangan 2012-06-22 1515 23a1ec304ae8fd Jon Hunter 2015-08-06 1516 tdma->global_pause_count = 0; ec8a1586780cbb Laxman Dewangan 2012-06-06 1517 tdma->dma_dev.dev = &pdev->dev; ec8a1586780cbb Laxman Dewangan 2012-06-06 1518 tdma->dma_dev.device_alloc_chan_resources = ec8a1586780cbb Laxman Dewangan 2012-06-06 1519 tegra_dma_alloc_chan_resources; ec8a1586780cbb Laxman Dewangan 2012-06-06 1520 tdma->dma_dev.device_free_chan_resources = ec8a1586780cbb Laxman Dewangan 2012-06-06 1521 tegra_dma_free_chan_resources; ec8a1586780cbb Laxman Dewangan 2012-06-06 1522 tdma->dma_dev.device_prep_slave_sg = tegra_dma_prep_slave_sg; ec8a1586780cbb Laxman Dewangan 2012-06-06 1523 tdma->dma_dev.device_prep_dma_cyclic = tegra_dma_prep_dma_cyclic; 891653ab836d5a Paul Walmsley 2015-01-06 1524 tdma->dma_dev.src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | 891653ab836d5a Paul Walmsley 2015-01-06 1525 BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | 891653ab836d5a Paul Walmsley 2015-01-06 1526 BIT(DMA_SLAVE_BUSWIDTH_4_BYTES) | 891653ab836d5a Paul Walmsley 2015-01-06 1527 BIT(DMA_SLAVE_BUSWIDTH_8_BYTES); 891653ab836d5a Paul Walmsley 2015-01-06 1528 tdma->dma_dev.dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | 891653ab836d5a Paul Walmsley 2015-01-06 1529 BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | 891653ab836d5a Paul Walmsley 2015-01-06 1530 BIT(DMA_SLAVE_BUSWIDTH_4_BYTES) | 891653ab836d5a Paul Walmsley 2015-01-06 1531 BIT(DMA_SLAVE_BUSWIDTH_8_BYTES); 891653ab836d5a Paul Walmsley 2015-01-06 1532 tdma->dma_dev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); 156a599b0716ab Dmitry Osipenko 2019-07-05 1533 tdma->dma_dev.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST; 662f1ac3125fc0 Maxime Ripard 2014-11-17 1534 tdma->dma_dev.device_config = tegra_dma_slave_config; 662f1ac3125fc0 Maxime Ripard 2014-11-17 1535 tdma->dma_dev.device_terminate_all = tegra_dma_terminate_all; dda5e35a771043 Dmitry Osipenko 2020-02-09 1536 tdma->dma_dev.device_synchronize = tegra_dma_synchronize; ec8a1586780cbb Laxman Dewangan 2012-06-06 1537 tdma->dma_dev.device_tx_status = tegra_dma_tx_status; ec8a1586780cbb Laxman Dewangan 2012-06-06 1538 tdma->dma_dev.device_issue_pending = tegra_dma_issue_pending; ec8a1586780cbb Laxman Dewangan 2012-06-06 1539 ec8a1586780cbb Laxman Dewangan 2012-06-06 1540 ret = dma_async_device_register(&tdma->dma_dev); ec8a1586780cbb Laxman Dewangan 2012-06-06 1541 if (ret < 0) { ec8a1586780cbb Laxman Dewangan 2012-06-06 1542 dev_err(&pdev->dev, ec8a1586780cbb Laxman Dewangan 2012-06-06 1543 "Tegra20 APB DMA driver registration failed %d\n", ret); 2cd3d13cb4aa73 Dmitry Osipenko 2020-02-09 1544 goto err_pm_disable; ec8a1586780cbb Laxman Dewangan 2012-06-06 1545 } ec8a1586780cbb Laxman Dewangan 2012-06-06 1546 996556c92a7060 Stephen Warren 2013-11-11 1547 ret = of_dma_controller_register(pdev->dev.of_node, 996556c92a7060 Stephen Warren 2013-11-11 1548 tegra_dma_of_xlate, tdma); 996556c92a7060 Stephen Warren 2013-11-11 1549 if (ret < 0) { 996556c92a7060 Stephen Warren 2013-11-11 1550 dev_err(&pdev->dev, 996556c92a7060 Stephen Warren 2013-11-11 1551 "Tegra20 APB DMA OF registration failed %d\n", ret); 996556c92a7060 Stephen Warren 2013-11-11 1552 goto err_unregister_dma_dev; 996556c92a7060 Stephen Warren 2013-11-11 1553 } 996556c92a7060 Stephen Warren 2013-11-11 1554 3964293aecf9c6 Dmitry Osipenko 2020-02-09 1555 dev_info(&pdev->dev, "Tegra20 APB DMA driver registered %u channels\n", ec8a1586780cbb Laxman Dewangan 2012-06-06 1556 cdata->nr_channels); 3964293aecf9c6 Dmitry Osipenko 2020-02-09 1557 ec8a1586780cbb Laxman Dewangan 2012-06-06 1558 return 0; ec8a1586780cbb Laxman Dewangan 2012-06-06 1559 996556c92a7060 Stephen Warren 2013-11-11 1560 err_unregister_dma_dev: 996556c92a7060 Stephen Warren 2013-11-11 1561 dma_async_device_unregister(&tdma->dma_dev); 3964293aecf9c6 Dmitry Osipenko 2020-02-09 1562 2cd3d13cb4aa73 Dmitry Osipenko 2020-02-09 1563 err_pm_disable: ec8a1586780cbb Laxman Dewangan 2012-06-06 1564 pm_runtime_disable(&pdev->dev); dcb394b6b5fb7f Dmitry Osipenko 2020-02-09 1565 dcb394b6b5fb7f Dmitry Osipenko 2020-02-09 1566 err_clk_unprepare: 84a3f375eea984 Dmitry Osipenko 2020-02-09 1567 clk_unprepare(tdma->dma_clk); 3964293aecf9c6 Dmitry Osipenko 2020-02-09 1568 ec8a1586780cbb Laxman Dewangan 2012-06-06 1569 return ret; ec8a1586780cbb Laxman Dewangan 2012-06-06 1570 } ec8a1586780cbb Laxman Dewangan 2012-06-06 1571 :::::: The code at line 1484 was first introduced by commit :::::: d0fc905429f7f5f3ad365466669c55b04b92c1e5 dma: tegra: fix interrupt name issue with apb dma. :::::: TO: Laxman Dewangan :::::: CC: Vinod Koul -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki