Re: [PATCH 5/6] ath11k: Register DBR event handler for CFR data

[kernel test robot <lkp@intel.com>]

Hi Venkateswara,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on kvalo-ath/ath-next]
[cannot apply to wireless-next/main wireless/main jberg-mac80211-next/master jberg-mac80211/master v5.17-rc3 next-20220211]
[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]

url:    https://github.com/0day-ci/linux/commits/Venkateswara-Naralasetty/ath11k-add-single-shot-periodic-CFR-capture-support-for-IPQ8074/20220211-230911
base:   https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git ath-next
config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20220213/202202130103.qvrDOuTL-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project f6685f774697c85d6a352dcea013f46a99f9fe31)
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/0day-ci/linux/commit/14cd77b4e3109da2eb6b33501640153852c5d2a7
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Venkateswara-Naralasetty/ath11k-add-single-shot-periodic-CFR-capture-support-for-IPQ8074/20220211-230911
        git checkout 14cd77b4e3109da2eb6b33501640153852c5d2a7
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/net/wireless/ath/ath11k/ drivers/platform/x86/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> drivers/net/wireless/ath/ath11k/cfr.c:40:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough]
           case ATH11K_CFR_PREAMBLE_TYPE_HT:
           ^
   drivers/net/wireless/ath/ath11k/cfr.c:40:2: note: insert '__attribute__((fallthrough));' to silence this warning
           case ATH11K_CFR_PREAMBLE_TYPE_HT:
           ^
           __attribute__((fallthrough)); 
   drivers/net/wireless/ath/ath11k/cfr.c:40:2: note: insert 'break;' to avoid fall-through
           case ATH11K_CFR_PREAMBLE_TYPE_HT:
           ^
           break; 
   drivers/net/wireless/ath/ath11k/cfr.c:515:6: warning: no previous prototype for function 'ath11k_cfr_ring_free' [-Wmissing-prototypes]
   void ath11k_cfr_ring_free(struct ath11k *ar)
        ^
   drivers/net/wireless/ath/ath11k/cfr.c:515:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void ath11k_cfr_ring_free(struct ath11k *ar)
   ^
   static 
   2 warnings generated.


vim +40 drivers/net/wireless/ath/ath11k/cfr.c

    18	
    19	static int cfr_calculate_tones_from_dma_hdr(struct ath11k_cfir_dma_hdr *hdr)
    20	{
    21		u8 bw = FIELD_GET(CFIR_DMA_HDR_INFO1_UPLOAD_PKT_BW, hdr->info1);
    22		u8 preamble = FIELD_GET(CFIR_DMA_HDR_INFO1_PREAMBLE_TYPE, hdr->info1);
    23	
    24		switch (preamble) {
    25		case ATH11K_CFR_PREAMBLE_TYPE_LEGACY:
    26		case ATH11K_CFR_PREAMBLE_TYPE_VHT:
    27			switch (bw) {
    28			case 0:
    29				return TONES_IN_20MHZ;
    30			case 1: /* DUP40/VHT40 */
    31				return TONES_IN_40MHZ;
    32			case 2: /* DUP80/VHT80 */
    33				return TONES_IN_80MHZ;
    34			case 3: /* DUP160/VHT160 */
    35				return TONES_IN_160MHZ;
    36			default:
    37				break;
    38			}
    39	
  > 40		case ATH11K_CFR_PREAMBLE_TYPE_HT:
    41			switch (bw) {
    42			case 0:
    43				return TONES_IN_20MHZ;
    44			case 1:
    45				return TONES_IN_40MHZ;
    46			}
    47		}
    48	
    49		return TONES_INVALID;
    50	}
    51	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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