tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.4 head: 06c9bac92e211df6900cbdc07b4f5741d3549dde commit: 886e310cf5af7ee90cc42bd148100307834150ae [114/123] CHROMIUM: Bluetooth: hci_h5: keep RTL8822C powered during suspend config: xtensa-allyesconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel git fetch --no-tags chrome-os chromeos-5.4 git checkout 886e310cf5af7ee90cc42bd148100307834150ae # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=xtensa If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In file included from include/linux/ioport.h:13, from include/linux/acpi.h:12, from drivers/bluetooth/hci_h5.c:9: include/linux/scatterlist.h: In function 'sg_set_buf': arch/xtensa/include/asm/page.h:182:9: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits] 182 | ((pfn) >= ARCH_PFN_OFFSET && ((pfn) - ARCH_PFN_OFFSET) < max_mapnr) | ^~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ include/linux/scatterlist.h:143:2: note: in expansion of macro 'BUG_ON' 143 | BUG_ON(!virt_addr_valid(buf)); | ^~~~~~ arch/xtensa/include/asm/page.h:190:32: note: in expansion of macro 'pfn_valid' 190 | #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) | ^~~~~~~~~ include/linux/scatterlist.h:143:10: note: in expansion of macro 'virt_addr_valid' 143 | BUG_ON(!virt_addr_valid(buf)); | ^~~~~~~~~~~~~~~ drivers/bluetooth/hci_h5.c: In function 'h5_serdev_probe': 801 | struct hci_dev *hdev; | ^~~~ At top level: drivers/bluetooth/hci_h5.c:1035:36: warning: 'h5_data_rtl8723bs' defined but not used [-Wunused-const-variable=] 1035 | static const struct h5_device_data h5_data_rtl8723bs = { | ^~~~~~~~~~~~~~~~~ vim +/hdev +801 drivers/bluetooth/hci_h5.c 796 797 static int h5_serdev_probe(struct serdev_device *serdev) 798 { 799 const struct acpi_device_id *match; 800 struct device *dev = &serdev->dev; 802 struct h5 *h5; 803 const struct h5_device_data *data; 804 int err; 805 806 h5 = devm_kzalloc(dev, sizeof(*h5), GFP_KERNEL); 807 if (!h5) 808 return -ENOMEM; 809 810 set_bit(HCI_UART_RESET_ON_INIT, &h5->serdev_hu.hdev_flags); 811 812 h5->hu = &h5->serdev_hu; 813 h5->serdev_hu.serdev = serdev; 814 serdev_device_set_drvdata(serdev, h5); 815 816 if (has_acpi_companion(dev)) { 817 match = acpi_match_device(dev->driver->acpi_match_table, dev); 818 if (!match) 819 return -ENODEV; 820 821 data = (const struct h5_device_data *)match->driver_data; 822 h5->vnd = data->vnd; 823 h5->id = (char *)match->id; 824 825 if (h5->vnd->acpi_gpio_map) 826 devm_acpi_dev_add_driver_gpios(dev, 827 h5->vnd->acpi_gpio_map); 828 } else { 829 data = of_device_get_match_data(dev); 830 if (!data) 831 return -ENODEV; 832 833 h5->vnd = data->vnd; 834 } 835 836 837 h5->enable_gpio = devm_gpiod_get_optional(dev, "enable", GPIOD_OUT_LOW); 838 if (IS_ERR(h5->enable_gpio)) 839 return PTR_ERR(h5->enable_gpio); 840 841 h5->device_wake_gpio = devm_gpiod_get_optional(dev, "device-wake", 842 GPIOD_OUT_LOW); 843 if (IS_ERR(h5->device_wake_gpio)) 844 return PTR_ERR(h5->device_wake_gpio); 845 846 err = hci_uart_register_device(&h5->serdev_hu, &h5p); 847 if (err) 848 return err; 849 850 hdev = h5->serdev_hu.hdev; 851 852 /* Set H5 specific quirks */ 853 if (data->capabilities & H5_CAP_WAKEUP_ENABLE) 854 set_bit(H5_WAKEUP_ENABLE, &h5->flags); 855 856 return 0; 857 } 858 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org