Hi Francesco, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on robh/for-next] [also build test WARNING on bluetooth-next/master bluetooth/master horms-ipvs/master net/master net-next/master linus/master v6.2-rc4 next-20230118] [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/Francesco-Dolcini/dt-bindings-bluetooth-marvell-add-88W8997-DT-binding/20230118-210919 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20230118122817.42466-4-francesco%40dolcini.it patch subject: [PATCH v1 3/4] Bluetooth: hci_mrvl: Add serdev support for 88W8997 config: i386-randconfig-s002 (https://download.01.org/0day-ci/archive/20230119/202301190442.n6v4c2yc-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://github.com/intel-lab-lkp/linux/commit/2ae116c8ad209e0bf11559519915e511c44c28be git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Francesco-Dolcini/dt-bindings-bluetooth-marvell-add-88W8997-DT-binding/20230118-210919 git checkout 2ae116c8ad209e0bf11559519915e511c44c28be # save the config file mkdir build_dir && cp config build_dir/.config make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 olddefconfig make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/bluetooth/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/bluetooth/hci_mrvl.c:450:36: warning: 'mrvl_proto_8997' defined but not used [-Wunused-const-variable=] 450 | static const struct hci_uart_proto mrvl_proto_8997 = { | ^~~~~~~~~~~~~~~ vim +/mrvl_proto_8997 +450 drivers/bluetooth/hci_mrvl.c 449 > 450 static const struct hci_uart_proto mrvl_proto_8997 = { 451 .id = HCI_UART_MRVL, 452 .name = "Marvell 8997", 453 .init_speed = 115200, 454 .oper_speed = 3000000, 455 .open = mrvl_open, 456 .close = mrvl_close, 457 .flush = mrvl_flush, 458 .set_baudrate = mrvl_set_baudrate, 459 .recv = mrvl_recv, 460 .enqueue = mrvl_enqueue, 461 .dequeue = mrvl_dequeue, 462 }; 463 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
