[PATCH 4/4] Bluetooth: btusb: mediatek: add MediaTek devcoredump support

[kernel test robot]

Hi,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on bluetooth/master]
[also build test ERROR on bluetooth-next/master linus/master v6.0-rc5 next-20220912]
[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/sean-wang-mediatek-com/Bluetooth-btusb-mediatek-use-readx_poll_timeout-instead-of-open-coding/20220913-062200
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git master
config: arc-randconfig-r043-20220912 (https://download.01.org/0day-ci/archive/20220913/202209131404.9rjV6blJ-lkp@intel.com/config)
compiler: arc-elf-gcc (GCC) 12.1.0
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
        # https://github.com/intel-lab-lkp/linux/commit/d478461e2fd5fdd8d505c00c7864a421170a54bb
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review sean-wang-mediatek-com/Bluetooth-btusb-mediatek-use-readx_poll_timeout-instead-of-open-coding/20220913-062200
        git checkout d478461e2fd5fdd8d505c00c7864a421170a54bb
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash drivers/bluetooth/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp at intel.com>

All errors (new ones prefixed by >>):

   drivers/bluetooth/btmtk.c: In function 'btmtk_coredump_notify':
>> drivers/bluetooth/btmtk.c:111:14: error: 'HCI_DEVCOREDUMP_ACTIVE' undeclared (first use in this function); did you mean 'BTMTK_COREDUMP_ACTIVE'?
     111 |         case HCI_DEVCOREDUMP_ACTIVE:
         |              ^~~~~~~~~~~~~~~~~~~~~~
         |              BTMTK_COREDUMP_ACTIVE
   drivers/bluetooth/btmtk.c:111:14: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/bluetooth/btmtk.c:114:14: error: 'HCI_DEVCOREDUMP_TIMEOUT' undeclared (first use in this function); did you mean 'HCI_LE_CONN_TIMEOUT'?
     114 |         case HCI_DEVCOREDUMP_TIMEOUT:
         |              ^~~~~~~~~~~~~~~~~~~~~~~
         |              HCI_LE_CONN_TIMEOUT
>> drivers/bluetooth/btmtk.c:115:14: error: 'HCI_DEVCOREDUMP_ABORT' undeclared (first use in this function)
     115 |         case HCI_DEVCOREDUMP_ABORT:
         |              ^~~~~~~~~~~~~~~~~~~~~
>> drivers/bluetooth/btmtk.c:116:14: error: 'HCI_DEVCOREDUMP_DONE' undeclared (first use in this function)
     116 |         case HCI_DEVCOREDUMP_DONE:
         |              ^~~~~~~~~~~~~~~~~~~~
   drivers/bluetooth/btmtk.c: In function 'btmtk_register_coredump':
>> drivers/bluetooth/btmtk.c:376:9: error: implicit declaration of function 'hci_devcoredump_register' [-Werror=implicit-function-declaration]
     376 |         hci_devcoredump_register(hdev, btmtk_coredump, btmtk_coredump_hdr,
         |         ^~~~~~~~~~~~~~~~~~~~~~~~
   drivers/bluetooth/btmtk.c: In function 'btmtk_process_coredump':
>> drivers/bluetooth/btmtk.c:393:23: error: implicit declaration of function 'hci_devcoredump_init' [-Werror=implicit-function-declaration]
     393 |                 err = hci_devcoredump_init(hdev, 1024000);
         |                       ^~~~~~~~~~~~~~~~~~~~
>> drivers/bluetooth/btmtk.c:397:44: error: 'struct hci_dev' has no member named 'dump'
     397 |                 schedule_delayed_work(&hdev->dump.dump_timeout,
         |                                            ^~
>> drivers/bluetooth/btmtk.c:402:23: error: implicit declaration of function 'hci_devcoredump_append' [-Werror=implicit-function-declaration]
     402 |                 err = hci_devcoredump_append(hdev, skb);
         |                       ^~~~~~~~~~~~~~~~~~~~~~
>> drivers/bluetooth/btmtk.c:409:25: error: implicit declaration of function 'hci_devcoredump_complete' [-Werror=implicit-function-declaration]
     409 |                         hci_devcoredump_complete(hdev);
         |                         ^~~~~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +111 drivers/bluetooth/btmtk.c

   107	
   108	static void btmtk_coredump_notify(struct hci_dev *hdev, int state)
   109	{
   110		switch (state) {
 > 111		case HCI_DEVCOREDUMP_ACTIVE:
   112			coredump_info.state = BTMTK_COREDUMP_ACTIVE;
   113			break;
 > 114		case HCI_DEVCOREDUMP_TIMEOUT:
 > 115		case HCI_DEVCOREDUMP_ABORT:
 > 116		case HCI_DEVCOREDUMP_DONE:
   117			coredump_info.state = BTMTK_COREDUMP_INIT;
   118			btmtk_reset_sync(coredump_info.hdev);
   119			break;
   120		}
   121	}
   122	

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