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

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Date:   Fri, 28 Aug 2020 09:01:44 +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\@vger.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:

>> + linux-wireless
>> 
>> kernel test robot <lkp@...el.com> writes:
>> 
>> > Hi Zong-Zhe,
>> >
>> > FYI, the error/warning still remains.
>> >
>> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>> master
>> > head:   23ee3e4e5bd27bdbc0f1785eef7209ce872794c7
>> > commit: 72f256c2b948622cc45ff8bc0456dd6039d8fe36 rtw88: extract:
>> > export symbols about pci interface
>> > date:   10 weeks ago
>> > config: arc-randconfig-r026-20200725 (attached as .config)
>> > compiler: arc-elf-gcc (GCC) 9.3.0
>> > 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
>> >         git checkout 72f256c2b948622cc45ff8bc0456dd6039d8fe36
>> >         # save the attached .config to linux build tree
>> >         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0
>> make.cross ARCH=arc
>> >
>> > 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)
>> >          |      ^~~~~~~~~~~~~~~~
>> 
>> Tony, these are older warnings but please also check these.
>> 
>
> I think this warning can be ignored, as the commit was going to export
> pci symbols for the follow-up patches to use, such as:
>
> f56f08636dda rtw88: extract: make 8723d an individual kernel module
> 416e87fcc780 rtw88: extract: make 8822b an individual kernel module
> ba0fbe236fb8 rtw88: extract: make 8822c an individual kernel module
>
> And these patches were submitted and applied together.

Good, thanks for checking.

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