tree: https://github.com/0day-ci/linux/commits/Chuhong-Yuan/mmc-sdhci-of-arasan... head: efd2c03ae8ab44634467ae99e9acd90d43d50f89 commit: 60a21c686f7e4e50489ae04b9bb1980b145e52ef [9682/10032] net: macb: Use WOL via ARP config: arm64-randconfig-s032-20200607 (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.1-247-gcadbd124-dirty git checkout 60a21c686f7e4e50489ae04b9bb1980b145e52ef # save the attached .config to linux build tree make W=1 C=1 ARCH=arm64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' 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/ethernet/cadence/macb_main.c:275:16: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] bottom @@ got restricted __le32 [usertype] @@ drivers/net/ethernet/cadence/macb_main.c:275:16: sparse: expected unsigned int [usertype] bottom drivers/net/ethernet/cadence/macb_main.c:275:16: sparse: got restricted __le32 [usertype] drivers/net/ethernet/cadence/macb_main.c:277:13: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] top @@ got restricted __le16 [usertype] @@ drivers/net/ethernet/cadence/macb_main.c:277:13: sparse: expected unsigned short [usertype] top drivers/net/ethernet/cadence/macb_main.c:277:13: sparse: got restricted __le16 [usertype] drivers/net/ethernet/cadence/macb_main.c:2952:39: sparse: sparse: restricted __be32 degrades to integer drivers/net/ethernet/cadence/macb_main.c:2957:39: sparse: sparse: restricted __be32 degrades to integer drivers/net/ethernet/cadence/macb_main.c:2962:40: sparse: sparse: restricted __be16 degrades to integer drivers/net/ethernet/cadence/macb_main.c:2962:69: sparse: sparse: restricted __be16 degrades to integer drivers/net/ethernet/cadence/macb_main.c:2984:20: sparse: sparse: restricted __be32 degrades to integer drivers/net/ethernet/cadence/macb_main.c:2988:20: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [assigned] [usertype] w0 @@ got restricted __be32 [usertype] ip4src @@ drivers/net/ethernet/cadence/macb_main.c:2988:20: sparse: expected unsigned int [assigned] [usertype] w0 drivers/net/ethernet/cadence/macb_main.c:2988:20: sparse: got restricted __be32 [usertype] ip4src drivers/net/ethernet/cadence/macb_main.c:2998:20: sparse: sparse: restricted __be32 degrades to integer drivers/net/ethernet/cadence/macb_main.c:3002:20: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [assigned] [usertype] w0 @@ got restricted __be32 [usertype] ip4dst @@ drivers/net/ethernet/cadence/macb_main.c:3002:20: sparse: expected unsigned int [assigned] [usertype] w0 drivers/net/ethernet/cadence/macb_main.c:3002:20: sparse: got restricted __be32 [usertype] ip4dst drivers/net/ethernet/cadence/macb_main.c:3012:21: sparse: sparse: restricted __be16 degrades to integer drivers/net/ethernet/cadence/macb_main.c:3012:50: sparse: sparse: restricted __be16 degrades to integer drivers/net/ethernet/cadence/macb_main.c:3018:30: sparse: sparse: restricted __be16 degrades to integer drivers/net/ethernet/cadence/macb_main.c:3019:30: sparse: sparse: restricted __be16 degrades to integer drivers/net/ethernet/cadence/macb_main.c:3026:36: sparse: sparse: restricted __be16 degrades to integer drivers/net/ethernet/cadence/macb_main.c:3027:38: sparse: sparse: restricted __be16 degrades to integer drivers/net/ethernet/cadence/macb_main.c:3030:38: sparse: sparse: restricted __be16 degrades to integer drivers/net/ethernet/cadence/macb_main.c:3066:9: sparse: sparse: cast from restricted __be32 drivers/net/ethernet/cadence/macb_main.c:3066:9: sparse: sparse: cast from restricted __be32 drivers/net/ethernet/cadence/macb_main.c:3066:9: sparse: sparse: cast from restricted __be16 drivers/net/ethernet/cadence/macb_main.c:3066:9: sparse: sparse: cast from restricted __be16 drivers/net/ethernet/cadence/macb_main.c:3119:25: sparse: sparse: cast from restricted __be32 drivers/net/ethernet/cadence/macb_main.c:3119:25: sparse: sparse: cast from restricted __be32 drivers/net/ethernet/cadence/macb_main.c:3119:25: sparse: sparse: cast from restricted __be16 drivers/net/ethernet/cadence/macb_main.c:3119:25: sparse: sparse: cast from restricted __be16 drivers/net/ethernet/cadence/macb_main.c:4546:58: sparse: expected unsigned int const [usertype] *p drivers/net/ethernet/cadence/macb_main.c:4546:41: sparse: sparse: restricted __be32 degrades to integer drivers/net/ethernet/cadence/macb_main.c:4546:50: sparse: sparse: dereference of noderef expression drivers/net/ethernet/cadence/macb_main.c:4546:50: sparse: sparse: dereference of noderef expression vim +4546 drivers/net/ethernet/cadence/macb_main.c 4503 4504 static int __maybe_unused macb_suspend(struct device *dev) 4505 { 4506 struct net_device *netdev = dev_get_drvdata(dev); 4507 struct macb *bp = netdev_priv(netdev); 4508 struct macb_queue *queue = bp->queues; 4509 unsigned long flags; 4510 unsigned int q; 4511 u32 ctrl, arpipmask; 4512 4513 if (!netif_running(netdev)) 4514 return 0; 4515 4516 if (device_may_wakeup(&bp->dev->dev)) { 4517 spin_lock_irqsave(&bp->lock, flags); 4518 ctrl = macb_readl(bp, NCR); 4519 ctrl &= ~(MACB_BIT(TE) | MACB_BIT(RE)); 4520 macb_writel(bp, NCR, ctrl); 4521 /* Tie off RX queues */ 4522 for (q = 0, queue = bp->queues; q < bp->num_queues; 4523 ++q, ++queue) { 4524 queue_writel(queue, RBQP, 4525 lower_32_bits(bp->rx_ring_tieoff_dma)); 4526 } 4527 ctrl = macb_readl(bp, NCR); 4528 ctrl |= MACB_BIT(RE); 4529 macb_writel(bp, NCR, ctrl); 4530 gem_writel(bp, NCFGR, gem_readl(bp, NCFGR) & ~MACB_BIT(NBC)); 4531 macb_writel(bp, TSR, -1); 4532 macb_writel(bp, RSR, -1); 4533 macb_readl(bp, ISR); 4534 if (bp->caps & MACB_CAPS_ISR_CLEAR_ON_WRITE) 4535 macb_writel(bp, ISR, -1); 4536 4537 /* Enable WOL (Q0 only) and disable all other interrupts */ 4538 macb_writel(bp, IER, MACB_BIT(WOL)); 4539 for (q = 1, queue = bp->queues; q < bp->num_queues; 4540 ++q, ++queue) { 4541 queue_writel(queue, IDR, bp->rx_intr_mask | 4542 MACB_TX_INT_FLAGS | 4543 MACB_BIT(HRESP)); 4544 } 4545 4547 & 0xFFFF; 4548 gem_writel(bp, WOL, MACB_BIT(ARP) | arpipmask); 4549 spin_unlock_irqrestore(&bp->lock, flags); 4550 enable_irq_wake(bp->queues[0].irq); 4551 netif_device_detach(netdev); 4552 for (q = 0, queue = bp->queues; q < bp->num_queues; 4553 ++q, ++queue) 4554 napi_disable(&queue->napi); 4555 } else { 4556 netif_device_detach(netdev); 4557 for (q = 0, queue = bp->queues; q < bp->num_queues; 4558 ++q, ++queue) 4559 napi_disable(&queue->napi); 4560 phy_stop(netdev->phydev); 4561 phy_suspend(netdev->phydev); 4562 spin_lock_irqsave(&bp->lock, flags); 4563 macb_reset_hw(bp); 4564 spin_unlock_irqrestore(&bp->lock, flags); 4565 4566 if (!(bp->caps & MACB_CAPS_USRIO_DISABLED)) 4567 bp->pm_data.usrio = macb_or_gem_readl(bp, USRIO); 4568 4569 if (netdev->hw_features & NETIF_F_NTUPLE) 4570 bp->pm_data.scrt2 = gem_readl_n(bp, ETHT, SCRT2_ETHT); 4571 } 4572 4573 if (bp->ptp_info) 4574 bp->ptp_info->ptp_remove(netdev); 4575 pm_runtime_force_suspend(dev); 4576 4577 return 0; 4578 } 4579 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org