linux-kernel - Re: drivers/net/wireless/realtek/rtw88/pci.c:1477:5: warning: no previous prototype for 'rtw_pci

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Date:   Mon, 14 Sep 2020 10:17:13 +0300
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Tony Chuang <yhchuang@...ltek.com>
Cc:     kernel test robot <lkp@...el.com>,
        Kevin Yang <kevin_yang@...ltek.com>,
        "kbuild-all\@lists.01.org" <kbuild-all@...ts.01.org>,
        "linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-wireless@...r.kernel.org
Subject: Re: drivers/net/wireless/realtek/rtw88/pci.c:1477:5: warning: no previous prototype for 'rtw_pci_probe'

Tony Chuang <yhchuang@...ltek.com> writes:

>> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>> head:   ef2e9a563b0cd7965e2a1263125dcbb1c86aa6cc
>> commit: ba0fbe236fb8a7b992e82d6eafb03a600f5eba43 rtw88: extract: make
>> 8822c an individual kernel module
>> date:   4 months ago
>> config: i386-randconfig-r034-20200913 (attached as .config)
>> compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
>> reproduce (this is a W=1 build):
>>         git checkout ba0fbe236fb8a7b992e82d6eafb03a600f5eba43
>>         # save the attached .config to linux build tree
>>         make W=1 ARCH=i386
>> 
>> If you fix the issue, kindly add following tag as appropriate
>> Reported-by: kernel test robot <lkp@...el.com>
>> 
>> All warnings (new ones prefixed by >>):
>> 
>> >> drivers/net/wireless/realtek/rtw88/pci.c:1477:5: warning: no previous
>> >> prototype for 'rtw_pci_probe' [-Wmissing-prototypes]
>>     1477 | int rtw_pci_probe(struct pci_dev *pdev,
>>          |     ^~~~~~~~~~~~~
>> >> drivers/net/wireless/realtek/rtw88/pci.c:1557:6: warning: no previous
>> >> prototype for 'rtw_pci_remove' [-Wmissing-prototypes]
>>     1557 | void rtw_pci_remove(struct pci_dev *pdev)
>>          |      ^~~~~~~~~~~~~~
>> >> drivers/net/wireless/realtek/rtw88/pci.c:1579:6: warning: no previous
>> >> prototype for 'rtw_pci_shutdown' [-Wmissing-prototypes]
>>     1579 | void rtw_pci_shutdown(struct pci_dev *pdev)
>>          |      ^~~~~~~~~~~~~~~~
>> 

[...]

> Hi Kalle,
>
> The exported function is used by the following patchset.
> So this is a false alarm.

Good, thanks for checking.

-- 
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches