Hi Matthias,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on bluetooth-next/master]
[also build test ERROR on next-20190429]
[cannot apply to v5.1-rc7]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Matthias-Kaehlcke/Bluetooth-btqca-inject-command-complete-event-during-fw-download/20190430-125407
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git master
config: xtensa-allyesconfig (attached as .config)
compiler: xtensa-linux-gcc (GCC) 8.1.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=8.1.0 make.cross ARCH=xtensa 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   drivers/bluetooth/btqca.c: In function 'qca_inject_cmd_complete_event':
>> drivers/bluetooth/btqca.c:286:18: error: 'QCA_HCI_CC_SUCCESS' undeclared (first use in this function); did you mean 'QCA_HCI_CC_OPCODE'?
     skb_put_u8(skb, QCA_HCI_CC_SUCCESS);
                     ^~~~~~~~~~~~~~~~~~
                     QCA_HCI_CC_OPCODE
   drivers/bluetooth/btqca.c:286:18: note: each undeclared identifier is reported only once for each function it appears in

vim +286 drivers/bluetooth/btqca.c

   267	
   268	static int qca_inject_cmd_complete_event(struct hci_dev *hdev)
   269	{
   270		struct hci_event_hdr *hdr;
   271		struct hci_ev_cmd_complete *evt;
   272		struct sk_buff *skb;
   273	
   274		skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL);
   275		if (!skb)
   276			return -ENOMEM;
   277	
   278		hdr = skb_put(skb, sizeof(*hdr));
   279		hdr->evt = HCI_EV_CMD_COMPLETE;
   280		hdr->plen = sizeof(*evt) + 1;
   281	
   282		evt = skb_put(skb, sizeof(*evt));
   283		evt->ncmd = 1;
   284		evt->opcode = HCI_OP_NOP;
   285	
 > 286		skb_put_u8(skb, QCA_HCI_CC_SUCCESS);
   287	
   288		hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
   289	
   290		return hci_recv_frame(hdev, skb);
   291	}
   292	

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