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Date:   Sat, 15 Apr 2023 04:57:02 +0800
From:   kernel test robot <lkp@intel.com>
To:     Maharaja Kennadyrajan <quic_mkenna@quicinc.com>,
        ath11k@lists.infradead.org
Cc:     llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
        linux-wireless@vger.kernel.org,
        Maharaja Kennadyrajan <quic_mkenna@quicinc.com>,
        Manikanta Pubbisetty <quic_mpubbise@quicinc.com>,
        Abinaya Kalaiselvan <quic_akalaise@quicinc.com>
Subject: Re: [PATCH v2] wifi: ath11k: Add rx histogram stats
Message-ID: <202304150445.MrUZP5M4-lkp@intel.com>
References: <20230414112603.601199-1-quic_mkenna@quicinc.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20230414112603.601199-1-quic_mkenna@quicinc.com>
Precedence: bulk

Hi Maharaja,

kernel test robot noticed the following build warnings:

[auto build test WARNING on kvalo-ath/ath-next]
[cannot apply to wireless/main wireless-next/main linus/master v6.3-rc6]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Maharaja-Kennadyrajan/wifi-ath11k-Add-rx-histogram-stats/20230414-192912
base:   https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git ath-next
patch link:    https://lore.kernel.org/r/20230414112603.601199-1-quic_mkenna%40quicinc.com
patch subject: [PATCH v2] wifi: ath11k: Add rx histogram stats
config: hexagon-randconfig-r041-20230410 (https://download.01.org/0day-ci/archive/20230415/202304150445.MrUZP5M4-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 9638da200e00bd069e6dd63604e14cbafede9324)
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
        # https://github.com/intel-lab-lkp/linux/commit/8612657f6ce3fd8bd47a5c1b4ca0177e95a647f0
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Maharaja-Kennadyrajan/wifi-ath11k-Add-rx-histogram-stats/20230414-192912
        git checkout 8612657f6ce3fd8bd47a5c1b4ca0177e95a647f0
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/net/wireless/ath/ath11k/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304150445.MrUZP5M4-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from drivers/net/wireless/ath/ath11k/debugfs_sta.c:8:
   In file included from drivers/net/wireless/ath/ath11k/debugfs_sta.h:9:
   In file included from include/net/mac80211.h:18:
   In file included from include/linux/if_ether.h:19:
   In file included from include/linux/skbuff.h:17:
   In file included from include/linux/bvec.h:10:
   In file included from include/linux/highmem.h:12:
   In file included from include/linux/hardirq.h:11:
   In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:334:
   include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __raw_readb(PCI_IOBASE + addr);
                             ~~~~~~~~~~ ^
   include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
   #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
                                                     ^
   In file included from drivers/net/wireless/ath/ath11k/debugfs_sta.c:8:
   In file included from drivers/net/wireless/ath/ath11k/debugfs_sta.h:9:
   In file included from include/net/mac80211.h:18:
   In file included from include/linux/if_ether.h:19:
   In file included from include/linux/skbuff.h:17:
   In file included from include/linux/bvec.h:10:
   In file included from include/linux/highmem.h:12:
   In file included from include/linux/hardirq.h:11:
   In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:334:
   include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
   #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
                                                     ^
   In file included from drivers/net/wireless/ath/ath11k/debugfs_sta.c:8:
   In file included from drivers/net/wireless/ath/ath11k/debugfs_sta.h:9:
   In file included from include/net/mac80211.h:18:
   In file included from include/linux/if_ether.h:19:
   In file included from include/linux/skbuff.h:17:
   In file included from include/linux/bvec.h:10:
   In file included from include/linux/highmem.h:12:
   In file included from include/linux/hardirq.h:11:
   In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:13:
   In file included from arch/hexagon/include/asm/io.h:334:
   include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writeb(value, PCI_IOBASE + addr);
                               ~~~~~~~~~~ ^
   include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
                                                         ~~~~~~~~~~ ^
   include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
                                                         ~~~~~~~~~~ ^
>> drivers/net/wireless/ath/ath11k/debugfs_sta.c:242:13: warning: no previous prototype for function 'legacy_rate_str' [-Wmissing-prototypes]
   const char *legacy_rate_str(int legacy_rate_idx)
               ^
   drivers/net/wireless/ath/ath11k/debugfs_sta.c:242:7: note: declare 'static' if the function is not intended to be used outside of this translation unit
   const char *legacy_rate_str(int legacy_rate_idx)
         ^
   static 
   7 warnings generated.


vim +/legacy_rate_str +242 drivers/net/wireless/ath/ath11k/debugfs_sta.c

   241	
 > 242	const char *legacy_rate_str(int legacy_rate_idx)
   243	{
   244		switch (legacy_rate_idx) {
   245		case 0:
   246			return "1Mbps";
   247		case 1:
   248			return "2Mbps";
   249		case 2:
   250			return "5.5Mbps";
   251		case 3:
   252			return "6Mbps";
   253		case 4:
   254			return "9Mbps";
   255		case 5:
   256			return "11Mbps";
   257		case 6:
   258			return "12Mbps";
   259		case 7:
   260			return "18Mbps";
   261		case 8:
   262			return "18Mbps";
   263		case 9:
   264			return "24Mbps";
   265		case 10:
   266			return "36Mbps";
   267		case 11:
   268			return "48Mbps";
   269		case 12:
   270			return "54Mbps";
   271		default:
   272			return "invalid legacy rate index";
   273		}
   274	}
   275	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests