Hi Sean, I love your patch! Perhaps something to improve: [auto build test WARNING on bluetooth/master] [also build test WARNING on v4.18-rc8] [cannot apply to next-20180808] [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/linux-kernel-owner-vger-kernel-org/dt-bindings-net-bluetooth-Add-mediatek-bluetooth/20180808-132732 base: https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git master config: arm-allmodconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0 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=7.2.0 make.cross ARCH=arm All warnings (new ones prefixed by >>): drivers/bluetooth/btmtkuart.c: In function 'mtk_hci_wmt_sync': drivers/bluetooth/btmtkuart.c:99:8: error: implicit declaration of function '__hci_cmd_send'; did you mean '__hci_cmd_sync'? [-Werror=implicit-function-declaration] err = __hci_cmd_send(hdev, 0xfc6f, hlen, &wc); ^~~~~~~~~~~~~~ __hci_cmd_sync In file included from include/linux/bitops.h:38:0, from include/linux/kernel.h:11, from include/linux/unaligned/packed_struct.h:4, from include/linux/unaligned/be_struct.h:5, from arch/arm/include/asm/unaligned.h:18, from drivers/bluetooth/btmtkuart.c:11: drivers/bluetooth/btmtkuart.c: In function 'btmtkuart_probe': drivers/bluetooth/btmtkuart.c:586:10: error: 'HCI_QUIRK_NON_PERSISTENT_SETUP' undeclared (first use in this function); did you mean 'HCI_QUIRK_NON_PERSISTENT_DIAG'? set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks); ^ arch/arm/include/asm/bitops.h:183:42: note: in definition of macro 'ATOMIC_BITOP' #define ATOMIC_BITOP(name,nr,p) _##name(nr,p) ^~ >> drivers/bluetooth/btmtkuart.c:586:2: note: in expansion of macro 'set_bit' set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks); ^~~~~~~ drivers/bluetooth/btmtkuart.c:586:10: note: each undeclared identifier is reported only once for each function it appears in set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks); ^ arch/arm/include/asm/bitops.h:183:42: note: in definition of macro 'ATOMIC_BITOP' #define ATOMIC_BITOP(name,nr,p) _##name(nr,p) ^~ >> drivers/bluetooth/btmtkuart.c:586:2: note: in expansion of macro 'set_bit' set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks); ^~~~~~~ cc1: some warnings being treated as errors vim +/set_bit +586 drivers/bluetooth/btmtkuart.c 543 544 static int btmtkuart_probe(struct serdev_device *serdev) 545 { 546 struct btmtkuart_dev *bdev; 547 struct hci_dev *hdev; 548 549 bdev = devm_kzalloc(&serdev->dev, sizeof(*bdev), GFP_KERNEL); 550 if (!bdev) 551 return -ENOMEM; 552 553 bdev->clk = devm_clk_get(&serdev->dev, "ref"); 554 if (IS_ERR(bdev->clk)) 555 return PTR_ERR(bdev->clk); 556 557 bdev->serdev = serdev; 558 serdev_device_set_drvdata(serdev, bdev); 559 560 serdev_device_set_client_ops(serdev, &btmtkuart_client_ops); 561 562 INIT_WORK(&bdev->tx_work, btmtkuart_tx_work); 563 skb_queue_head_init(&bdev->txq); 564 565 /* Initialize and register HCI device */ 566 hdev = hci_alloc_dev(); 567 if (!hdev) { 568 dev_err(&serdev->dev, "Can't allocate HCI device\n"); 569 return -ENOMEM; 570 } 571 572 bdev->hdev = hdev; 573 574 hdev->bus = HCI_UART; 575 hci_set_drvdata(hdev, bdev); 576 577 hdev->open = btmtkuart_open; 578 hdev->close = btmtkuart_close; 579 hdev->flush = btmtkuart_flush; 580 hdev->setup = btmtkuart_setup; 581 hdev->shutdown = btmtkuart_shutdown; 582 hdev->send = btmtkuart_send_frame; 583 SET_HCIDEV_DEV(hdev, &serdev->dev); 584 585 hdev->manufacturer = 70; > 586 set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks); 587 588 if (hci_register_dev(hdev) < 0) { 589 dev_err(&serdev->dev, "Can't register HCI device\n"); 590 hci_free_dev(hdev); 591 return -ENODEV; 592 } 593 594 return 0; 595 } 596 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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