linux-kernel - Re: drivers/net/wireless/realtek/rtw88/rtw8821c.c:71:8: warning: type qualifiers ignored on function return type

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Message-ID: <87imd4bc4l.fsf@codeaurora.org>
Date:   Thu, 27 Aug 2020 13:45:46 +0300
From:   Kalle Valo <kvalo@...eaurora.org>
To:     kernel test robot <lkp@...el.com>
Cc:     Tzu-En Huang <tehuang@...ltek.com>, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org,
        Yan-Hsuan Chuang <yhchuang@...ltek.com>,
        linux-wireless@...r.kernel.org
Subject: Re: drivers/net/wireless/realtek/rtw88/rtw8821c.c:71:8: warning: type qualifiers ignored on function return type

+ linux-wireless

kernel test robot <lkp@...el.com> writes:

> Hi Tzu-En,
>
> First bad commit (maybe != root cause):
>
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   15bc20c6af4ceee97a1f90b43c0e386643c071b4
> commit: f745eb9ca5bf823bc5c0f82a434cefb41c57844e rtw88: 8821c: Add 8821CE to Kconfig and Makefile
> date:   6 weeks ago
> config: arm-randconfig-r012-20200827 (attached as .config)
> compiler: arm-linux-gnueabi-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 f745eb9ca5bf823bc5c0f82a434cefb41c57844e
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm 
>
> 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/rtw8821c.c:71:8: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
>       71 | static const u8 rtw8821c_get_swing_index(struct rtw_dev *rtwdev)
>          |        ^~~~~

Tony, please check this.

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