From: kernel test robot <lkp@intel.com>
To: Allen Pais <allen.lkml@gmail.com>
Cc: oe-kbuild-all@lists.linux.dev
Subject: Re: [RFC PATCH 1/1] dmaengine: introduce dmaengine_bh_wq and bh helpers
Date: Mon, 12 Jan 2026 07:26:27 +0100 [thread overview]
Message-ID: <202601120727.5ttojW2a-lkp@intel.com> (raw)
In-Reply-To: <20260108080332.2341725-2-allen.lkml@gmail.com>
Hi Allen,
[This is a private test report for your RFC patch.]
kernel test robot noticed the following build errors:
[auto build test ERROR on vkoul-dmaengine/next]
[also build test ERROR on shawnguo/for-next sunxi/sunxi/for-next soc/for-next linus/master v6.16-rc1 next-20260109]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Allen-Pais/dmaengine-introduce-dmaengine_bh_wq-and-bh-helpers/20260108-164201
base: https://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine.git next
patch link: https://lore.kernel.org/r/20260108080332.2341725-2-allen.lkml%40gmail.com
patch subject: [RFC PATCH 1/1] dmaengine: introduce dmaengine_bh_wq and bh helpers
config: x86_64-rhel-9.4-ltp (https://download.01.org/0day-ci/archive/20260112/202601120727.5ttojW2a-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260112/202601120727.5ttojW2a-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202601120727.5ttojW2a-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/dma/idma64.c:166:8: error: unknown type name 'irqreturn_t'
166 | static irqreturn_t idma64_irq(int irq, void *dev)
| ^~~~~~~~~~~
drivers/dma/idma64.c: In function 'idma64_irq':
>> drivers/dma/idma64.c:176:24: error: 'IRQ_NONE' undeclared (first use in this function)
176 | return IRQ_NONE;
| ^~~~~~~~
drivers/dma/idma64.c:176:24: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/dma/idma64.c:190:16: error: 'IRQ_HANDLED' undeclared (first use in this function)
190 | return IRQ_HANDLED;
| ^~~~~~~~~~~
drivers/dma/idma64.c: In function 'idma64_probe':
>> drivers/dma/idma64.c:561:15: error: implicit declaration of function 'devm_request_irq'; did you mean 'devm_request_region'? [-Wimplicit-function-declaration]
561 | ret = devm_request_irq(chip->dev, chip->irq, idma64_irq, IRQF_SHARED,
| ^~~~~~~~~~~~~~~~
| devm_request_region
>> drivers/dma/idma64.c:561:66: error: 'IRQF_SHARED' undeclared (first use in this function); did you mean 'VM_SHARED'?
561 | ret = devm_request_irq(chip->dev, chip->irq, idma64_irq, IRQF_SHARED,
| ^~~~~~~~~~~
| VM_SHARED
drivers/dma/idma64.c: In function 'idma64_remove':
>> drivers/dma/idma64.c:622:9: error: implicit declaration of function 'devm_free_irq'; did you mean 'devm_free_pages'? [-Wimplicit-function-declaration]
622 | devm_free_irq(chip->dev, chip->irq, idma64);
| ^~~~~~~~~~~~~
| devm_free_pages
>> drivers/dma/idma64.c:627:17: error: implicit declaration of function 'tasklet_kill' [-Wimplicit-function-declaration]
627 | tasklet_kill(&idma64c->vchan.task);
| ^~~~~~~~~~~~
>> drivers/dma/idma64.c:627:45: error: 'struct virt_dma_chan' has no member named 'task'
627 | tasklet_kill(&idma64c->vchan.task);
| ^
--
drivers/dma/hsu/hsu.c: In function 'hsu_dma_remove':
>> drivers/dma/hsu/hsu.c:503:42: error: 'struct virt_dma_chan' has no member named 'task'
503 | tasklet_kill(&hsuc->vchan.task);
| ^
vim +622 drivers/dma/idma64.c
667dfed98615ae Andy Shevchenko 2015-07-27 531
667dfed98615ae Andy Shevchenko 2015-07-27 532 #define IDMA64_BUSWIDTHS \
667dfed98615ae Andy Shevchenko 2015-07-27 533 BIT(DMA_SLAVE_BUSWIDTH_1_BYTE) | \
667dfed98615ae Andy Shevchenko 2015-07-27 534 BIT(DMA_SLAVE_BUSWIDTH_2_BYTES) | \
667dfed98615ae Andy Shevchenko 2015-07-27 535 BIT(DMA_SLAVE_BUSWIDTH_4_BYTES)
667dfed98615ae Andy Shevchenko 2015-07-27 536
667dfed98615ae Andy Shevchenko 2015-07-27 537 static int idma64_probe(struct idma64_chip *chip)
667dfed98615ae Andy Shevchenko 2015-07-27 538 {
667dfed98615ae Andy Shevchenko 2015-07-27 539 struct idma64 *idma64;
667dfed98615ae Andy Shevchenko 2015-07-27 540 unsigned short nr_chan = IDMA64_NR_CHAN;
667dfed98615ae Andy Shevchenko 2015-07-27 541 unsigned short i;
667dfed98615ae Andy Shevchenko 2015-07-27 542 int ret;
667dfed98615ae Andy Shevchenko 2015-07-27 543
667dfed98615ae Andy Shevchenko 2015-07-27 544 idma64 = devm_kzalloc(chip->dev, sizeof(*idma64), GFP_KERNEL);
667dfed98615ae Andy Shevchenko 2015-07-27 545 if (!idma64)
667dfed98615ae Andy Shevchenko 2015-07-27 546 return -ENOMEM;
667dfed98615ae Andy Shevchenko 2015-07-27 547
667dfed98615ae Andy Shevchenko 2015-07-27 548 idma64->regs = chip->regs;
667dfed98615ae Andy Shevchenko 2015-07-27 549 chip->idma64 = idma64;
667dfed98615ae Andy Shevchenko 2015-07-27 550
667dfed98615ae Andy Shevchenko 2015-07-27 551 idma64->chan = devm_kcalloc(chip->dev, nr_chan, sizeof(*idma64->chan),
667dfed98615ae Andy Shevchenko 2015-07-27 552 GFP_KERNEL);
667dfed98615ae Andy Shevchenko 2015-07-27 553 if (!idma64->chan)
667dfed98615ae Andy Shevchenko 2015-07-27 554 return -ENOMEM;
667dfed98615ae Andy Shevchenko 2015-07-27 555
667dfed98615ae Andy Shevchenko 2015-07-27 556 idma64->all_chan_mask = (1 << nr_chan) - 1;
667dfed98615ae Andy Shevchenko 2015-07-27 557
667dfed98615ae Andy Shevchenko 2015-07-27 558 /* Turn off iDMA controller */
667dfed98615ae Andy Shevchenko 2015-07-27 559 idma64_off(idma64);
667dfed98615ae Andy Shevchenko 2015-07-27 560
667dfed98615ae Andy Shevchenko 2015-07-27 @561 ret = devm_request_irq(chip->dev, chip->irq, idma64_irq, IRQF_SHARED,
667dfed98615ae Andy Shevchenko 2015-07-27 562 dev_name(chip->dev), idma64);
667dfed98615ae Andy Shevchenko 2015-07-27 563 if (ret)
667dfed98615ae Andy Shevchenko 2015-07-27 564 return ret;
667dfed98615ae Andy Shevchenko 2015-07-27 565
667dfed98615ae Andy Shevchenko 2015-07-27 566 INIT_LIST_HEAD(&idma64->dma.channels);
667dfed98615ae Andy Shevchenko 2015-07-27 567 for (i = 0; i < nr_chan; i++) {
667dfed98615ae Andy Shevchenko 2015-07-27 568 struct idma64_chan *idma64c = &idma64->chan[i];
667dfed98615ae Andy Shevchenko 2015-07-27 569
667dfed98615ae Andy Shevchenko 2015-07-27 570 idma64c->vchan.desc_free = idma64_vdesc_free;
667dfed98615ae Andy Shevchenko 2015-07-27 571 vchan_init(&idma64c->vchan, &idma64->dma);
667dfed98615ae Andy Shevchenko 2015-07-27 572
667dfed98615ae Andy Shevchenko 2015-07-27 573 idma64c->regs = idma64->regs + i * IDMA64_CH_LENGTH;
667dfed98615ae Andy Shevchenko 2015-07-27 574 idma64c->mask = BIT(i);
667dfed98615ae Andy Shevchenko 2015-07-27 575 }
667dfed98615ae Andy Shevchenko 2015-07-27 576
667dfed98615ae Andy Shevchenko 2015-07-27 577 dma_cap_set(DMA_SLAVE, idma64->dma.cap_mask);
667dfed98615ae Andy Shevchenko 2015-07-27 578 dma_cap_set(DMA_PRIVATE, idma64->dma.cap_mask);
667dfed98615ae Andy Shevchenko 2015-07-27 579
667dfed98615ae Andy Shevchenko 2015-07-27 580 idma64->dma.device_alloc_chan_resources = idma64_alloc_chan_resources;
667dfed98615ae Andy Shevchenko 2015-07-27 581 idma64->dma.device_free_chan_resources = idma64_free_chan_resources;
667dfed98615ae Andy Shevchenko 2015-07-27 582
667dfed98615ae Andy Shevchenko 2015-07-27 583 idma64->dma.device_prep_slave_sg = idma64_prep_slave_sg;
667dfed98615ae Andy Shevchenko 2015-07-27 584
667dfed98615ae Andy Shevchenko 2015-07-27 585 idma64->dma.device_issue_pending = idma64_issue_pending;
667dfed98615ae Andy Shevchenko 2015-07-27 586 idma64->dma.device_tx_status = idma64_tx_status;
667dfed98615ae Andy Shevchenko 2015-07-27 587
667dfed98615ae Andy Shevchenko 2015-07-27 588 idma64->dma.device_config = idma64_slave_config;
667dfed98615ae Andy Shevchenko 2015-07-27 589 idma64->dma.device_pause = idma64_pause;
667dfed98615ae Andy Shevchenko 2015-07-27 590 idma64->dma.device_resume = idma64_resume;
667dfed98615ae Andy Shevchenko 2015-07-27 591 idma64->dma.device_terminate_all = idma64_terminate_all;
bbacb8e78a3b29 Andy Shevchenko 2018-07-10 592 idma64->dma.device_synchronize = idma64_synchronize;
667dfed98615ae Andy Shevchenko 2015-07-27 593
667dfed98615ae Andy Shevchenko 2015-07-27 594 idma64->dma.src_addr_widths = IDMA64_BUSWIDTHS;
667dfed98615ae Andy Shevchenko 2015-07-27 595 idma64->dma.dst_addr_widths = IDMA64_BUSWIDTHS;
667dfed98615ae Andy Shevchenko 2015-07-27 596 idma64->dma.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
667dfed98615ae Andy Shevchenko 2015-07-27 597 idma64->dma.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
667dfed98615ae Andy Shevchenko 2015-07-27 598
5ba846b1ee0792 Andy Shevchenko 2019-03-18 599 idma64->dma.dev = chip->sysdev;
667dfed98615ae Andy Shevchenko 2015-07-27 600
334304ac2baca7 Christoph Hellwig 2024-07-19 601 dma_set_max_seg_size(idma64->dma.dev, IDMA64C_CTLH_BLOCK_TS_MASK);
e3fdb1894cfac6 Andy Shevchenko 2015-11-17 602
667dfed98615ae Andy Shevchenko 2015-07-27 603 ret = dma_async_device_register(&idma64->dma);
667dfed98615ae Andy Shevchenko 2015-07-27 604 if (ret)
667dfed98615ae Andy Shevchenko 2015-07-27 605 return ret;
667dfed98615ae Andy Shevchenko 2015-07-27 606
667dfed98615ae Andy Shevchenko 2015-07-27 607 dev_info(chip->dev, "Found Intel integrated DMA 64-bit\n");
667dfed98615ae Andy Shevchenko 2015-07-27 608 return 0;
667dfed98615ae Andy Shevchenko 2015-07-27 609 }
667dfed98615ae Andy Shevchenko 2015-07-27 610
c3b63380f52a5c Uwe Kleine-König 2022-10-14 611 static void idma64_remove(struct idma64_chip *chip)
667dfed98615ae Andy Shevchenko 2015-07-27 612 {
667dfed98615ae Andy Shevchenko 2015-07-27 613 struct idma64 *idma64 = chip->idma64;
667dfed98615ae Andy Shevchenko 2015-07-27 614 unsigned short i;
667dfed98615ae Andy Shevchenko 2015-07-27 615
667dfed98615ae Andy Shevchenko 2015-07-27 616 dma_async_device_unregister(&idma64->dma);
667dfed98615ae Andy Shevchenko 2015-07-27 617
667dfed98615ae Andy Shevchenko 2015-07-27 618 /*
667dfed98615ae Andy Shevchenko 2015-07-27 619 * Explicitly call devm_request_irq() to avoid the side effects with
667dfed98615ae Andy Shevchenko 2015-07-27 620 * the scheduled tasklets.
667dfed98615ae Andy Shevchenko 2015-07-27 621 */
667dfed98615ae Andy Shevchenko 2015-07-27 @622 devm_free_irq(chip->dev, chip->irq, idma64);
667dfed98615ae Andy Shevchenko 2015-07-27 623
667dfed98615ae Andy Shevchenko 2015-07-27 624 for (i = 0; i < idma64->dma.chancnt; i++) {
667dfed98615ae Andy Shevchenko 2015-07-27 625 struct idma64_chan *idma64c = &idma64->chan[i];
667dfed98615ae Andy Shevchenko 2015-07-27 626
667dfed98615ae Andy Shevchenko 2015-07-27 @627 tasklet_kill(&idma64c->vchan.task);
667dfed98615ae Andy Shevchenko 2015-07-27 628 }
667dfed98615ae Andy Shevchenko 2015-07-27 629 }
667dfed98615ae Andy Shevchenko 2015-07-27 630
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next prev parent reply other threads:[~2026-01-12 6:26 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-08 8:03 [RFC PATCH 0/1] dmaengine: introduce dmaengine_bh_wq and bh helpers Allen Pais
2026-01-08 8:03 ` [RFC PATCH 1/1] " Allen Pais
2026-01-08 10:26 ` Arnd Bergmann
2026-01-08 19:22 ` Allen
2026-01-09 16:42 ` Arnd Bergmann
2026-01-12 22:20 ` Allen
2026-01-13 7:33 ` Arnd Bergmann
2026-01-13 19:31 ` Allen
2026-01-12 6:26 ` kernel test robot [this message]
2026-01-14 7:13 ` kernel test robot
2026-01-14 7:35 ` kernel test robot
2026-01-14 8:49 ` kernel test robot
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