tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 6d9bd4ad4ca08b1114e814c2c42383b8b13be631 commit: c17780e7b21eca3375e7573600ee0a6c42d954cd [3254/5417] mt76: mt7915: add txfree event v3 config: powerpc-allyesconfig (https://download.01.org/0day-ci/archive/20220212/202202120041.Cyrn5hZL-lk...) compiler: powerpc-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout c17780e7b21eca3375e7573600ee0a6c42d954cd # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/net/wireless/mediatek/mt76/mt7915/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/net/wireless/mediatek/mt76/mt7915/mac.c:417:29: sparse: sparse: cast to restricted __le32 drivers/net/wireless/mediatek/mt76/mt7915/mac.c:417:29: sparse: sparse: restricted __le32 degrades to integer drivers/net/wireless/mediatek/mt76/mt7915/mac.c:417:29: sparse: sparse: restricted __le32 degrades to integer drivers/net/wireless/mediatek/mt76/mt7915/mac.c:417:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le16 [usertype] frame_control @@ got unsigned long @@ drivers/net/wireless/mediatek/mt76/mt7915/mac.c:417:27: sparse: expected restricted __le16 [usertype] frame_control drivers/net/wireless/mediatek/mt76/mt7915/mac.c:417:27: sparse: got unsigned long drivers/net/wireless/mediatek/mt76/mt7915/mac.c:418:24: sparse: sparse: cast to restricted __le32 drivers/net/wireless/mediatek/mt76/mt7915/mac.c:418:24: sparse: sparse: restricted __le32 degrades to integer drivers/net/wireless/mediatek/mt76/mt7915/mac.c:418:24: sparse: sparse: restricted __le32 degrades to integer drivers/net/wireless/mediatek/mt76/mt7915/mac.c:418:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le16 [usertype] seq_ctrl @@ got unsigned long @@ drivers/net/wireless/mediatek/mt76/mt7915/mac.c:418:22: sparse: expected restricted __le16 [usertype] seq_ctrl drivers/net/wireless/mediatek/mt76/mt7915/mac.c:418:22: sparse: got unsigned long drivers/net/wireless/mediatek/mt76/mt7915/mac.c:419:20: sparse: sparse: cast to restricted __le32 drivers/net/wireless/mediatek/mt76/mt7915/mac.c:419:20: sparse: sparse: restricted __le32 degrades to integer drivers/net/wireless/mediatek/mt76/mt7915/mac.c:419:20: sparse: sparse: restricted __le32 degrades to integer drivers/net/wireless/mediatek/mt76/mt7915/mac.c:419:18: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] qos_ctrl @@ got unsigned long @@ drivers/net/wireless/mediatek/mt76/mt7915/mac.c:419:18: sparse: expected restricted __le32 [usertype] qos_ctrl drivers/net/wireless/mediatek/mt76/mt7915/mac.c:419:18: sparse: got unsigned long drivers/net/wireless/mediatek/mt76/mt7915/mac.c:420:19: sparse: sparse: cast to restricted __le32 drivers/net/wireless/mediatek/mt76/mt7915/mac.c:420:19: sparse: sparse: restricted __le32 degrades to integer drivers/net/wireless/mediatek/mt76/mt7915/mac.c:420:19: sparse: sparse: restricted __le32 degrades to integer drivers/net/wireless/mediatek/mt76/mt7915/mac.c:420:17: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] ht_ctrl @@ got unsigned long @@ drivers/net/wireless/mediatek/mt76/mt7915/mac.c:420:17: sparse: expected restricted __le32 [usertype] ht_ctrl drivers/net/wireless/mediatek/mt76/mt7915/mac.c:420:17: sparse: got unsigned long drivers/net/wireless/mediatek/mt76/mt7915/mac.c:448:25: sparse: sparse: restricted __be16 degrades to integer drivers/net/wireless/mediatek/mt76/mt7915/mac.c:448:37: sparse: sparse: restricted __be16 degrades to integer drivers/net/wireless/mediatek/mt76/mt7915/mac.c:1413:23: sparse: expected unsigned int [usertype] *cur_info drivers/net/wireless/mediatek/mt76/mt7915/mac.c:1413:23: sparse: got restricted __le32 * drivers/net/wireless/mediatek/mt76/mt7915/mac.c:1414:34: sparse: sparse: cast to restricted __le32 vim +1413 drivers/net/wireless/mediatek/mt76/mt7915/mac.c 1378 1379 static void 1380 mt7915_mac_tx_free(struct mt7915_dev *dev, void *data, int len) 1381 { 1382 struct mt7915_tx_free *free = (struct mt7915_tx_free *)data; 1383 struct mt76_dev *mdev = &dev->mt76; 1384 struct mt76_phy *mphy_ext = mdev->phy2; 1385 struct mt76_txwi_cache *txwi; 1386 struct ieee80211_sta *sta = NULL; 1387 LIST_HEAD(free_list); 1388 struct sk_buff *skb, *tmp; 1389 void *end = data + len; 1390 bool v3, wake = false; 1391 u16 total, count = 0; 1392 u32 txd = le32_to_cpu(free->txd); 1393 u32 *cur_info; 1394 1395 /* clean DMA queues and unmap buffers first */ 1396 mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[MT_TXQ_PSD], false); 1397 mt76_queue_tx_cleanup(dev, dev->mphy.q_tx[MT_TXQ_BE], false); 1398 if (mphy_ext) { 1399 mt76_queue_tx_cleanup(dev, mphy_ext->q_tx[MT_TXQ_PSD], false); 1400 mt76_queue_tx_cleanup(dev, mphy_ext->q_tx[MT_TXQ_BE], false); 1401 } 1402 1403 /* 1404 * TODO: MT_TX_FREE_LATENCY is msdu time from the TXD is queued into PLE, 1405 * to the time ack is received or dropped by hw (air + hw queue time). 1406 * Should avoid accessing WTBL to get Tx airtime, and use it instead. 1407 */ 1408 total = FIELD_GET(MT_TX_FREE_MSDU_CNT, le16_to_cpu(free->ctrl)); 1409 v3 = (FIELD_GET(MT_TX_FREE_VER, txd) == 0x4); 1410 if (WARN_ON_ONCE((void *)&free->info[total >> v3] > end)) 1411 return; 1412 1414 u32 msdu, info = le32_to_cpu(*cur_info); 1415 u8 i; 1416 1417 /* 1418 * 1'b1: new wcid pair. 1419 * 1'b0: msdu_id with the same 'wcid pair' as above. 1420 */ 1421 if (info & MT_TX_FREE_PAIR) { 1422 struct mt7915_sta *msta; 1423 struct mt76_wcid *wcid; 1424 u16 idx; 1425 1426 idx = FIELD_GET(MT_TX_FREE_WLAN_ID, info); 1427 wcid = rcu_dereference(dev->mt76.wcid[idx]); 1428 sta = wcid_to_sta(wcid); 1429 if (!sta) 1430 continue; 1431 1432 msta = container_of(wcid, struct mt7915_sta, wcid); 1433 spin_lock_bh(&dev->sta_poll_lock); 1434 if (list_empty(&msta->poll_list)) 1435 list_add_tail(&msta->poll_list, &dev->sta_poll_list); 1436 spin_unlock_bh(&dev->sta_poll_lock); 1437 continue; 1438 } 1439 1440 if (v3 && (info & MT_TX_FREE_MPDU_HEADER)) 1441 continue; 1442 1443 for (i = 0; i < 1 + v3; i++) { 1444 if (v3) { 1445 msdu = (info >> (15 * i)) & MT_TX_FREE_MSDU_ID_V3; 1446 if (msdu == MT_TX_FREE_MSDU_ID_V3) 1447 continue; 1448 } else { 1449 msdu = FIELD_GET(MT_TX_FREE_MSDU_ID, info); 1450 } 1451 count++; 1452 txwi = mt76_token_release(mdev, msdu, &wake); 1453 if (!txwi) 1454 continue; 1455 1456 mt7915_txwi_free(dev, txwi, sta, &free_list); 1457 } 1458 } 1459 1460 mt7915_mac_sta_poll(dev); 1461 1462 if (wake) 1463 mt76_set_tx_blocked(&dev->mt76, false); 1464 1465 mt76_worker_schedule(&dev->mt76.tx_worker); 1466 1467 list_for_each_entry_safe(skb, tmp, &free_list, list) { 1468 skb_list_del_init(skb); 1469 napi_consume_skb(skb, 1); 1470 } 1471 } 1472 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org