tree: https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.4 head: 22b71b41620dac13c69267d2b7898ebfb14c954e commit: 7aee9da192ba57210897a418ada793ac5b15a851 [960/1297] net: axienet: Add support for 1588 config: riscv-randconfig-r024-20200512 (attached as .config) compiler: riscv32-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 7aee9da192ba57210897a418ada793ac5b15a851 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): drivers/net/ethernet/xilinx/xilinx_axienet_main.c: In function 'axienet_start_xmit_done': 761 | dev_kfree_skb_irq((struct sk_buff *)cur_p->tx_skb); | ^ drivers/net/ethernet/xilinx/xilinx_axienet_main.c: In function 'axienet_start_xmit': 1017 | cur_p->tx_skb = (phys_addr_t)skb; | ^ drivers/net/ethernet/xilinx/xilinx_axienet_main.c: In function 'axienet_dma_err_handler': drivers/net/ethernet/xilinx/xilinx_axienet_main.c:2211:22: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 2211 | dev_kfree_skb_irq((struct sk_buff *) cur_p->tx_skb); | ^ vim +761 drivers/net/ethernet/xilinx/xilinx_axienet_main.c 730 731 /** 732 * axienet_start_xmit_done - Invoked once a transmit is completed by the 733 * Axi DMA Tx channel. 734 * @ndev: Pointer to the net_device structure 735 * 736 * This function is invoked from the Axi DMA Tx isr to notify the completion 737 * of transmit operation. It clears fields in the corresponding Tx BDs and 738 * unmaps the corresponding buffer so that CPU can regain ownership of the 739 * buffer. It finally invokes "netif_wake_queue" to restart transmission if 740 * required. 741 */ 742 static void axienet_start_xmit_done(struct net_device *ndev) 743 { 744 u32 size = 0; 745 u32 packets = 0; 746 struct axienet_local *lp = netdev_priv(ndev); 747 struct axidma_bd *cur_p; 748 unsigned int status = 0; 749 750 cur_p = &lp->tx_bd_v[lp->tx_bd_ci]; 751 status = cur_p->status; 752 while (status & XAXIDMA_BD_STS_COMPLETE_MASK) { 753 #ifdef CONFIG_XILINX_AXI_EMAC_HWTSTAMP 754 if (cur_p->ptp_tx_skb) 755 axienet_tx_hwtstamp(lp, cur_p); 756 #endif 757 dma_unmap_single(ndev->dev.parent, cur_p->phys, 758 (cur_p->cntrl & XAXIDMA_BD_CTRL_LENGTH_MASK), 759 DMA_TO_DEVICE); 760 if (cur_p->tx_skb) 762 /*cur_p->phys = 0;*/ 763 cur_p->app0 = 0; 764 cur_p->app1 = 0; 765 cur_p->app2 = 0; 766 cur_p->app4 = 0; 767 cur_p->status = 0; 768 cur_p->tx_skb = 0; 769 770 size += status & XAXIDMA_BD_STS_ACTUAL_LEN_MASK; 771 packets++; 772 773 if (++lp->tx_bd_ci >= lp->tx_bd_num) 774 lp->tx_bd_ci = 0; 775 cur_p = &lp->tx_bd_v[lp->tx_bd_ci]; 776 status = cur_p->status; 777 } 778 779 ndev->stats.tx_packets += packets; 780 ndev->stats.tx_bytes += size; 781 782 /* Matches barrier in axienet_start_xmit */ 783 smp_mb(); 784 785 netif_wake_queue(ndev); 786 } 787 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org