linux-kernel - Re: [PATCH v8] Bluetooth: btqca: inject command complete event during fw download

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Date:   Wed, 01 May 2019 10:48:16 +0530
From:   Balakrishna Godavarthi <bgodavar@...eaurora.org>
To:     Matthias Kaehlcke <mka@...omium.org>,
        Harish Bandi <c-hbandi@...eaurora.org>
Cc:     kbuild test robot <lkp@...el.com>, kbuild-all@...org,
        Marcel Holtmann <marcel@...tmann.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org,
        Harish Bandi <c-hbandi@...eaurora.org>,
        Rocky Liao <rjliao@...eaurora.org>
Subject: Re: [PATCH v8] Bluetooth: btqca: inject command complete event during
 fw download

Hi Harish,

On 2019-04-30 21:08, Matthias Kaehlcke wrote:
> On Tue, Apr 30, 2019 at 02:27:33PM +0800, kbuild test robot wrote:
>> 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@...el.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);
> 
> Oh, I changed it in my tree, but somehow missed to include this file
> in the commit ...
> 
> I'll fix it in the next version. Since I expect the change to remain
> controversial I'll wait a bit for other comments before sending out
> v9.
> 
> Thanks
> 
> Matthias

[Bala]: can you check whether this change  is applicable for wcn3998 as 
well.

@Matthias, Thanks Matthias for taking Up :)

-- 
Regards
Balakrishna.