tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: ccfff0a2bd2a30de130b5623d242ddecd0272bc2 commit: 059924fdf6c1c31a7c1aa1915884e23f4313dde2 Bluetooth: btqca: Use NVM files based on SoC ID for WCN3991 date: 11 months ago config: riscv-randconfig-s031-20211109 (attached as .config) compiler: riscv64-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 059924fdf6c1c31a7c1aa1915884e23f4313dde2 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=riscv SHELL=/bin/bash block/ drivers/bluetooth/ drivers/hid/ drivers/hwmon/ drivers/i2c/busses/ drivers/message/fusion/ drivers/net/ethernet/ drivers/net/wireless/intel/iwlwifi/ drivers/pci/ drivers/remoteproc/ drivers/rtc/ drivers/staging/rts5208/ drivers/staging/vc04_services/ drivers/tty/serial/ drivers/vdpa/ drivers/video/fbdev/ net/qrtr/ net/sched/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) vim +493 drivers/bluetooth/btqca.c 440 441 int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, 442 enum qca_btsoc_type soc_type, struct qca_btsoc_version ver, 443 const char *firmware_name) 444 { 445 struct qca_fw_config config; 446 int err; 447 u8 rom_ver = 0; 448 u32 soc_ver; 449 450 bt_dev_dbg(hdev, "QCA setup on UART"); 451 452 soc_ver = get_soc_ver(ver.soc_id, ver.rom_ver); 453 454 bt_dev_info(hdev, "QCA controller version 0x%08x", soc_ver); 455 456 config.user_baud_rate = baudrate; 457 458 /* Download rampatch file */ 459 config.type = TLV_TYPE_PATCH; 460 if (qca_is_wcn399x(soc_type)) { 461 /* Firmware files to download are based on ROM version. 462 * ROM version is derived from last two bytes of soc_ver. 463 */ 464 rom_ver = ((soc_ver & 0x00000f00) >> 0x04) | 465 (soc_ver & 0x0000000f); 466 snprintf(config.fwname, sizeof(config.fwname), 467 "qca/crbtfw%02x.tlv", rom_ver); 468 } else if (soc_type == QCA_QCA6390) { 469 rom_ver = ((soc_ver & 0x00000f00) >> 0x04) | 470 (soc_ver & 0x0000000f); 471 snprintf(config.fwname, sizeof(config.fwname), 472 "qca/htbtfw%02x.tlv", rom_ver); 473 } else { 474 snprintf(config.fwname, sizeof(config.fwname), 475 "qca/rampatch_%08x.bin", soc_ver); 476 } 477 478 err = qca_download_firmware(hdev, &config, soc_type); 479 if (err < 0) { 480 bt_dev_err(hdev, "QCA Failed to download patch (%d)", err); 481 return err; 482 } 483 484 /* Give the controller some time to get ready to receive the NVM */ 485 msleep(10); 486 487 /* Download NVM configuration */ 488 config.type = TLV_TYPE_NVM; 489 if (firmware_name) 490 snprintf(config.fwname, sizeof(config.fwname), 491 "qca/%s", firmware_name); 492 else if (qca_is_wcn399x(soc_type)) { 494 snprintf(config.fwname, sizeof(config.fwname), 495 "qca/crnv%02xu.bin", rom_ver); 496 } else { 497 snprintf(config.fwname, sizeof(config.fwname), 498 "qca/crnv%02x.bin", rom_ver); 499 } 500 } 501 else if (soc_type == QCA_QCA6390) 502 snprintf(config.fwname, sizeof(config.fwname), 503 "qca/htnv%02x.bin", rom_ver); 504 else 505 snprintf(config.fwname, sizeof(config.fwname), 506 "qca/nvm_%08x.bin", soc_ver); 507 508 err = qca_download_firmware(hdev, &config, soc_type); 509 if (err < 0) { 510 bt_dev_err(hdev, "QCA Failed to download NVM (%d)", err); 511 return err; 512 } 513 514 if (soc_type >= QCA_WCN3991) { 515 err = qca_disable_soc_logging(hdev); 516 if (err < 0) 517 return err; 518 } 519 520 /* Perform HCI reset */ 521 err = qca_send_reset(hdev); 522 if (err < 0) { 523 bt_dev_err(hdev, "QCA Failed to run HCI_RESET (%d)", err); 524 return err; 525 } 526 527 bt_dev_info(hdev, "QCA setup on UART is completed"); 528 529 return 0; 530 } 531 EXPORT_SYMBOL_GPL(qca_uart_setup); 532 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org