tree: https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git pending head: 5c94a82422585f88765f58e0f8b4b84c1fabbb31 commit: b98c50fdd3bfa201487ef7fe3b9b41d76c7802d2 [8/14] ath10k: allow dynamic SAR power limits via common API config: x86_64-randconfig-a011-20210209 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476) 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 # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git/commit/?id=... git remote add ath6kl https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git git fetch --no-tags ath6kl pending git checkout b98c50fdd3bfa201487ef7fe3b9b41d76c7802d2 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): sar->num_sub_specs == 0 || !sar->sub_specs) { ~~~~~~^~~~~~~~~ drivers/net/wireless/ath/ath10k/mac.c:8635:7: warning: format specifies type 'unsigned short' but the argument has type 'u32' (aka 'unsigned int') [-Wformat] vifs[i].old_ctx->def.chan->center_freq, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/wireless/ath/ath10k/debug.h:285:37: note: expanded from macro 'ath10k_dbg' __ath10k_dbg(ar, dbg_mask, fmt, ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ drivers/net/wireless/ath/ath10k/mac.c:8636:7: warning: format specifies type 'unsigned short' but the argument has type 'u32' (aka 'unsigned int') [-Wformat] vifs[i].new_ctx->def.chan->center_freq, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/wireless/ath/ath10k/debug.h:285:37: note: expanded from macro 'ath10k_dbg' __ath10k_dbg(ar, dbg_mask, fmt, ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ drivers/net/wireless/ath/ath10k/mac.c:8708:6: warning: format specifies type 'unsigned short' but the argument has type 'u32' (aka 'unsigned int') [-Wformat] ctx->def.chan->center_freq, ctx->def.width, ctx); ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/wireless/ath/ath10k/debug.h:285:37: note: expanded from macro 'ath10k_dbg' __ath10k_dbg(ar, dbg_mask, fmt, ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ drivers/net/wireless/ath/ath10k/mac.c:8732:6: warning: format specifies type 'unsigned short' but the argument has type 'u32' (aka 'unsigned int') [-Wformat] ctx->def.chan->center_freq, ctx->def.width, ctx); ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/wireless/ath/ath10k/debug.h:285:37: note: expanded from macro 'ath10k_dbg' __ath10k_dbg(ar, dbg_mask, fmt, ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ drivers/net/wireless/ath/ath10k/mac.c:8797:6: warning: format specifies type 'unsigned short' but the argument has type 'u32' (aka 'unsigned int') [-Wformat] ctx->def.chan->center_freq, ctx->def.width, ctx, changed); ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/wireless/ath/ath10k/debug.h:285:37: note: expanded from macro 'ath10k_dbg' __ath10k_dbg(ar, dbg_mask, fmt, ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ 6 warnings generated. vim +3010 drivers/net/wireless/ath/ath10k/mac.c 2993 2994 static int ath10k_mac_set_sar_specs(struct ieee80211_hw *hw, 2995 const struct cfg80211_sar_specs *sar) 2996 { 2997 const struct cfg80211_sar_sub_specs *sub_specs; 2998 struct ath10k *ar = hw->priv; 2999 u32 i; 3000 int ret; 3001 3002 mutex_lock(&ar->conf_mutex); 3003 3004 if (!ar->hw_params.dynamic_sar_support) { 3005 ret = -EOPNOTSUPP; 3006 goto err; 3007 } 3008 3009 if (!sar || sar->type != NL80211_SAR_TYPE_POWER || 3011 ret = -EINVAL; 3012 goto err; 3013 } 3014 3015 sub_specs = sar->sub_specs; 3016 3017 /* 0dbm is not a practical value for ath10k, so use 0 3018 * as no SAR limitation on it. 3019 */ 3020 ar->tx_power_2g_limit = 0; 3021 ar->tx_power_5g_limit = 0; 3022 3023 /* note the power is in 0.25dbm unit, while ath10k uses 3024 * 0.5dbm unit. 3025 */ 3026 for (i = 0; i < sar->num_sub_specs; i++) { 3027 if (sub_specs->freq_range_index == 0) 3028 ar->tx_power_2g_limit = sub_specs->power / 2; 3029 else if (sub_specs->freq_range_index == 1) 3030 ar->tx_power_5g_limit = sub_specs->power / 2; 3031 3032 sub_specs++; 3033 } 3034 3035 ret = ath10k_mac_set_sar_power(ar); 3036 if (ret) { 3037 ath10k_warn(ar, "failed to set sar power: %d", ret); 3038 goto err; 3039 } 3040 3041 err: 3042 mutex_unlock(&ar->conf_mutex); 3043 return ret; 3044 } 3045 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org