Hi Hassan, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on net-next/master] [also build test WARNING on v4.16-rc1 next-20180216] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Paul-Burton/net-pch_gbe-Fixes-MIPS-support/20180218-213023 reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:177:33: sparse: incorrect type in argument 2 (different base types) @@ expected unsigned short uid_hi @@ got short uid_hi @@ drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:177:33: expected unsigned short uid_hi drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:177:33: got restricted __be16 <noident> drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:177:45: sparse: incorrect type in argument 3 (different base types) @@ expected unsigned int uid_lo @@ got ed int uid_lo @@ drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:177:45: expected unsigned int uid_lo drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:177:45: got restricted __be32 <noident> drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:177:56: sparse: incorrect type in argument 4 (different base types) @@ expected unsigned short seqid @@ got short seqid @@ drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:177:56: expected unsigned short seqid drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:177:56: got restricted __be16 <noident> drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:325:15: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile @@ got @@ drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:325:15: expected void const volatile drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:325:15: got void drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:325:15: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile @@ got @@ drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:325:15: expected void const volatile drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:325:15: got void drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:354:33: sparse: incorrect type in argument 1 (different address spaces) @@ expected void @@ got unsigned int <avoid @@ drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:354:33: expected void drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:354:33: got unsigned int drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:361:33: sparse: incorrect type in argument 1 (different address spaces) @@ expected void @@ got unsigned int <avoid @@ drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:361:33: expected void drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:361:33: got unsigned int drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:389:33: sparse: incorrect type in argument 1 (different address spaces) @@ expected void @@ got unsigned int <avoid @@ drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:389:33: expected void drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:389:33: got unsigned int drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:430:33: sparse: incorrect type in argument 1 (different address spaces) @@ expected void @@ got unsigned int <avoid @@ drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:430:33: expected void drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:430:33: got unsigned int drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:463:49: sparse: incorrect type in argument 1 (different address spaces) @@ expected void @@ got unsigned int <avoid @@ drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:463:49: expected void drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:463:49: got unsigned int drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:537:41: sparse: incorrect type in argument 1 (different address spaces) @@ expected void @@ got unsigned int <avoid @@ drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:537:41: expected void drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:537:41: got unsigned int >> drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:1587:17: sparse: cast from restricted __le16 >> drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c:1587:17: sparse: restricted __le16 degrades to integer vim +1587 drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c 1527 1528 /** 1529 * pch_gbe_clean_tx - Reclaim resources after transmit completes 1530 * @adapter: Board private structure 1531 * @tx_ring: Tx descriptor ring 1532 * Returns: 1533 * true: Cleaned the descriptor 1534 * false: Not cleaned the descriptor 1535 */ 1536 static bool 1537 pch_gbe_clean_tx(struct pch_gbe_adapter *adapter, 1538 struct pch_gbe_tx_ring *tx_ring) 1539 { 1540 struct pch_gbe_tx_desc *tx_desc; 1541 struct pch_gbe_buffer *buffer_info; 1542 struct sk_buff *skb; 1543 unsigned int i; 1544 unsigned int cleaned_count = 0; 1545 bool cleaned = false; 1546 int unused, thresh; 1547 1548 netdev_dbg(adapter->netdev, "next_to_clean : %d\n", 1549 tx_ring->next_to_clean); 1550 1551 i = tx_ring->next_to_clean; 1552 tx_desc = PCH_GBE_TX_DESC(*tx_ring, i); 1553 netdev_dbg(adapter->netdev, "gbec_status:0x%04x dma_status:0x%04x\n", 1554 le16_to_cpu(tx_desc->gbec_status), tx_desc->dma_status); 1555 1556 unused = PCH_GBE_DESC_UNUSED(tx_ring); 1557 thresh = tx_ring->count - PCH_GBE_TX_WEIGHT; 1558 if ((le16_to_cpu(tx_desc->gbec_status) == DSC_INIT16) && 1559 (unused < thresh)) 1560 { /* current marked clean, tx queue filling up, do extra clean */ 1561 int j, k; 1562 if (unused < 8) { /* tx queue nearly full */ 1563 netdev_dbg(adapter->netdev, 1564 "clean_tx: transmit queue warning (%x,%x) unused=%d\n", 1565 tx_ring->next_to_clean, tx_ring->next_to_use, 1566 unused); 1567 } 1568 1569 /* current marked clean, scan for more that need cleaning. */ 1570 k = i; 1571 for (j = 0; j < PCH_GBE_TX_WEIGHT; j++) 1572 { 1573 tx_desc = PCH_GBE_TX_DESC(*tx_ring, k); 1574 if (le16_to_cpu(tx_desc->gbec_status) != DSC_INIT16) 1575 break; /*found*/ 1576 if (++k >= tx_ring->count) k = 0; /*increment, wrap*/ 1577 } 1578 if (j < PCH_GBE_TX_WEIGHT) { 1579 netdev_dbg(adapter->netdev, 1580 "clean_tx: unused=%d loops=%d found tx_desc[%x,%x:%x].gbec_status=%04x\n", 1581 unused, j, i, k, tx_ring->next_to_use, 1582 le16_to_cpu(tx_desc->gbec_status)); 1583 i = k; /*found one to clean, usu gbec_status==2000.*/ 1584 } 1585 } 1586 > 1587 while ((cpu_to_le16(tx_desc->gbec_status) & DSC_INIT16) == 0x0000) { 1588 netdev_dbg(adapter->netdev, "gbec_status:0x%04x\n", 1589 le16_to_cpu(tx_desc->gbec_status)); 1590 buffer_info = &tx_ring->buffer_info[i]; 1591 skb = buffer_info->skb; 1592 cleaned = true; 1593 1594 if ((le16_to_cpu(tx_desc->gbec_status) & 1595 PCH_GBE_TXD_GMAC_STAT_ABT)) { 1596 adapter->stats.tx_aborted_errors++; 1597 netdev_err(adapter->netdev, "Transfer Abort Error\n"); 1598 } else if ((le16_to_cpu(tx_desc->gbec_status) & 1599 PCH_GBE_TXD_GMAC_STAT_CRSER)) { 1600 adapter->stats.tx_carrier_errors++; 1601 netdev_err(adapter->netdev, 1602 "Transfer Carrier Sense Error\n"); 1603 } else if ((le16_to_cpu(tx_desc->gbec_status) & 1604 PCH_GBE_TXD_GMAC_STAT_EXCOL)) { 1605 adapter->stats.tx_aborted_errors++; 1606 netdev_err(adapter->netdev, 1607 "Transfer Collision Abort Error\n"); 1608 } else if ((le16_to_cpu(tx_desc->gbec_status) & 1609 (PCH_GBE_TXD_GMAC_STAT_SNGCOL | 1610 PCH_GBE_TXD_GMAC_STAT_MLTCOL))) { 1611 adapter->stats.collisions++; 1612 adapter->stats.tx_packets++; 1613 adapter->stats.tx_bytes += skb->len; 1614 netdev_dbg(adapter->netdev, "Transfer Collision\n"); 1615 } else if ((le16_to_cpu(tx_desc->gbec_status) & 1616 PCH_GBE_TXD_GMAC_STAT_CMPLT)) { 1617 adapter->stats.tx_packets++; 1618 adapter->stats.tx_bytes += skb->len; 1619 } 1620 if (buffer_info->mapped) { 1621 netdev_dbg(adapter->netdev, 1622 "unmap buffer_info->dma : %d\n", i); 1623 dma_unmap_single(&adapter->pdev->dev, buffer_info->dma, 1624 buffer_info->length, DMA_TO_DEVICE); 1625 buffer_info->mapped = false; 1626 } 1627 if (buffer_info->skb) { 1628 netdev_dbg(adapter->netdev, 1629 "trim buffer_info->skb : %d\n", i); 1630 skb_trim(buffer_info->skb, 0); 1631 } 1632 tx_desc->gbec_status = cpu_to_le16(DSC_INIT16); 1633 if (unlikely(++i == tx_ring->count)) 1634 i = 0; 1635 tx_desc = PCH_GBE_TX_DESC(*tx_ring, i); 1636 1637 /* weight of a sort for tx, to avoid endless transmit cleanup */ 1638 if (cleaned_count++ == PCH_GBE_TX_WEIGHT) { 1639 cleaned = false; 1640 break; 1641 } 1642 } 1643 netdev_dbg(adapter->netdev, 1644 "called pch_gbe_unmap_and_free_tx_resource() %d count\n", 1645 cleaned_count); 1646 if (cleaned_count > 0) { /*skip this if nothing cleaned*/ 1647 /* Recover from running out of Tx resources in xmit_frame */ 1648 netif_tx_lock(adapter->netdev); 1649 if (unlikely(cleaned && (netif_queue_stopped(adapter->netdev)))) 1650 { 1651 netif_wake_queue(adapter->netdev); 1652 adapter->stats.tx_restart_count++; 1653 netdev_dbg(adapter->netdev, "Tx wake queue\n"); 1654 } 1655 1656 tx_ring->next_to_clean = i; 1657 1658 netdev_dbg(adapter->netdev, "next_to_clean : %d\n", 1659 tx_ring->next_to_clean); 1660 netif_tx_unlock(adapter->netdev); 1661 } 1662 return cleaned; 1663 } 1664 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
