[kbuild-all] [nbd168-wireless:mt76 17/21] drivers/net/wireless/mediatek/mt76/mt7915/mcu.c:3136:27: error: storage size of 'limits_array' isn't known

tree: https://github.com/nbd168/wireless mt76 head: bc6add98a89a784ff03d10a217ca8b7f26cde8b3 commit: ff79be4cf22f569334829c687d3cf38464471390 [17/21] mt76: mt7915: add support for DT rate power limits config: i386-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce (this is a W=1 build): git checkout ff79be4cf22f569334829c687d3cf38464471390 # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/net/wireless/mediatek/mt76/mt7915/mcu.c: In function 'mt7915_mcu_set_sku': 3136 | struct mt76_power_limits limits_array; | ^~~~~~~~~~~~ 3145 | tx_power = mt76_get_rate_power_limits(mphy, mphy->chandef.chan, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/net/wireless/mediatek/mt76/mt7915/mcu.c:3136:27: warning: unused variable 'limits_array' [-Wunused-variable] 3136 | struct mt76_power_limits limits_array; | ^~~~~~~~~~~~ cc1: some warnings being treated as errors vim +3136 drivers/net/wireless/mediatek/mt76/mt7915/mcu.c 3121 3122 int mt7915_mcu_set_sku(struct mt7915_phy *phy) 3123 { 3124 struct mt7915_dev *dev = phy->dev; 3125 struct mt76_phy *mphy = phy->mt76; 3126 struct ieee80211_hw *hw = mphy->hw; 3127 struct mt7915_sku_val { 3128 u8 format_id; 3129 u8 limit_type; 3130 u8 dbdc_idx; 3131 s8 val[MT7915_SKU_RATE_NUM]; 3132 } __packed req = { 3133 .format_id = 4, 3134 .dbdc_idx = phy != &dev->phy, 3135 }; 3137 s8 *delta, *la = (s8 *)&limits_array; 3138 int i, idx, n_chains = hweight8(mphy->antenna_mask); 3139 int tx_power; 3140 3141 delta = dev->rate_power[mphy->chandef.chan->band]; 3142 tx_power = hw->conf.power_level * 2 - 3143 mt76_tx_power_nss_delta(n_chains); 3144 3146 &limits_array, tx_power); 3147 mphy->txpower_cur = tx_power; 3148 3149 for (i = 0, idx = 0; i < MAX_SKU_RATE_GROUP_NUM; i++) { 3150 const struct sku_group *sku = &mt7915_sku_groups[i]; 3151 u32 offset = sku->offset[mphy->chandef.chan->band]; 3152 u8 mcs_num = sku->len; 3153 int j; 3154 3155 if (i >= SKU_HT_BW20 && i <= SKU_VHT_BW160) { 3156 mcs_num = 10; 3157 3158 if (i == SKU_HT_BW20 || i == SKU_VHT_BW20) 3159 la = (s8 *)&limits_array + 12; 3160 } 3161 3162 if (!offset) { 3163 idx += sku->len; 3164 la += mcs_num; 3165 continue; 3166 } 3167 3168 for (j = 0; j < min_t(u8, mcs_num, sku->len); j++) { 3169 s8 rate_power; 3170 3171 rate_power = hw->conf.power_level * 2 + delta[idx + j]; 3172 req.val[idx + j] = min_t(s8, la[j], rate_power); 3173 } 3174 la += mcs_num; 3175 idx += sku->len; 3176 } 3177 3178 return __mt76_mcu_send_msg(&dev->mt76, 3179 MCU_EXT_CMD_TX_POWER_FEATURE_CTRL, 3180 &req, sizeof(req), true); 3181 } 3182 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org