Re: [PATCH 1/2] Bluetooth: btrtl: Firmware format v3 support

[kernel test robot <lkp@intel.com>]

Hi Hilda,

kernel test robot noticed the following build errors:

[auto build test ERROR on bluetooth/master]
[also build test ERROR on bluetooth-next/master linus/master v6.15 next-20250529]
[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/Hilda-Wu/Bluetooth-btrtl-Firmware-format-v3-support/20250529-205020
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git master
patch link:    https://lore.kernel.org/r/20250529124816.4186320-2-hildawu%40realtek.com
patch subject: [PATCH 1/2] Bluetooth: btrtl: Firmware format v3 support
config: arm-randconfig-004-20250530 (https://download.01.org/0day-ci/archive/20250530/202505300705.KsxzVLt6-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project f819f46284f2a79790038e1f6649172789734ae8)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250530/202505300705.KsxzVLt6-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202505300705.KsxzVLt6-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/bluetooth/btusb.c:2707:10: error: call to undeclared function 'btrtl_recv_event'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    2707 |                 return btrtl_recv_event(hdev, skb);
         |                        ^
   1 error generated.


vim +/btrtl_recv_event +2707 drivers/bluetooth/btusb.c

  2689	
  2690	static int btusb_recv_event_realtek(struct hci_dev *hdev, struct sk_buff *skb)
  2691	{
  2692		if (skb->data[0] == HCI_VENDOR_PKT && skb->data[2] == RTK_SUB_EVENT_CODE_COREDUMP) {
  2693			struct rtk_dev_coredump_hdr hdr = {
  2694				.code = RTK_DEVCOREDUMP_CODE_MEMDUMP,
  2695			};
  2696	
  2697			bt_dev_dbg(hdev, "RTL: received coredump vendor evt, len %u",
  2698				skb->len);
  2699	
  2700			btusb_rtl_alloc_devcoredump(hdev, &hdr, skb->data, skb->len);
  2701			kfree_skb(skb);
  2702	
  2703			return 0;
  2704		}
  2705	
  2706		if (skb->data[0] == HCI_VENDOR_PKT)
> 2707			return btrtl_recv_event(hdev, skb);
  2708	
  2709		return hci_recv_frame(hdev, skb);
  2710	}
  2711	

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