Hi Bartosz, kernel test robot noticed the following build warnings: [auto build test WARNING on 0b58e108042b0ed28a71cd7edf5175999955b233] url: https://github.com/intel-lab-lkp/linux/commits/Bartosz-Golaszewski/dt-bindings-bluetooth-qualcomm-describe-the-inputs-from-PMU-for-wcn7850/20240708-175040 base: 0b58e108042b0ed28a71cd7edf5175999955b233 patch link: https://lore.kernel.org/r/20240708-hci_qca_refactor-v2-2-b6e83b3d1ca5%40linaro.org patch subject: [PATCH v2 2/6] Bluetooth: hci_qca: schedule a devm action for disabling the clock config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20240709/202407091813.9IlBCkUP-lkp@xxxxxxxxx/config) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240709/202407091813.9IlBCkUP-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202407091813.9IlBCkUP-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/bluetooth/hci_qca.c:2495:2: warning: label at end of compound statement is a C23 extension [-Wc23-extensions] 2495 | } | ^ >> drivers/bluetooth/hci_qca.c:2494:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough] 2494 | default: | ^ drivers/bluetooth/hci_qca.c:2494:2: note: insert '__attribute__((fallthrough));' to silence this warning 2494 | default: | ^ | __attribute__((fallthrough)); drivers/bluetooth/hci_qca.c:2494:2: note: insert 'break;' to avoid fall-through 2494 | default: | ^ | break; 2 warnings generated. vim +2494 drivers/bluetooth/hci_qca.c 05ba533c5c1155 Thierry Escande 2018-03-29 2478 05ba533c5c1155 Thierry Escande 2018-03-29 2479 static void qca_serdev_remove(struct serdev_device *serdev) 05ba533c5c1155 Thierry Escande 2018-03-29 2480 { 05ba533c5c1155 Thierry Escande 2018-03-29 2481 struct qca_serdev *qcadev = serdev_device_get_drvdata(serdev); 054ec5e94a46b0 Venkata Lakshmi Narayana Gubba 2020-09-10 2482 struct qca_power *power = qcadev->bt_power; 05ba533c5c1155 Thierry Escande 2018-03-29 2483 691d54d0f7cb14 Neil Armstrong 2023-08-16 2484 switch (qcadev->btsoc_type) { 691d54d0f7cb14 Neil Armstrong 2023-08-16 2485 case QCA_WCN3988: 691d54d0f7cb14 Neil Armstrong 2023-08-16 2486 case QCA_WCN3990: 691d54d0f7cb14 Neil Armstrong 2023-08-16 2487 case QCA_WCN3991: 691d54d0f7cb14 Neil Armstrong 2023-08-16 2488 case QCA_WCN3998: 691d54d0f7cb14 Neil Armstrong 2023-08-16 2489 case QCA_WCN6750: 691d54d0f7cb14 Neil Armstrong 2023-08-16 2490 case QCA_WCN6855: e0c1278ac89b03 Neil Armstrong 2023-08-16 2491 case QCA_WCN7850: d12f113a15e826 Bartosz Golaszewski 2024-07-08 2492 if (power->vregs_on) c2d7827338618a Balakrishna Godavarthi 2018-08-22 2493 qca_power_shutdown(&qcadev->serdev_hu); 691d54d0f7cb14 Neil Armstrong 2023-08-16 @2494 default: 691d54d0f7cb14 Neil Armstrong 2023-08-16 @2495 } fa9ad876b8e0eb Balakrishna Godavarthi 2018-08-03 2496 fa9ad876b8e0eb Balakrishna Godavarthi 2018-08-03 2497 hci_uart_unregister_device(&qcadev->serdev_hu); 05ba533c5c1155 Thierry Escande 2018-03-29 2498 } 05ba533c5c1155 Thierry Escande 2018-03-29 2499 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki