[xlnx:xlnx_rebase_v5.4 960/1297] drivers/net/ethernet/xilinx/xilinx_axienet_main.c:761:22: warning: cast to pointer from integer of different size

[xlnx:xlnx_rebase_v5.4 960/1297] drivers/net/ethernet/xilinx/xilinx_axienet_main.c:761:22: warning: cast to pointer from integer of different size

[kbuild test robot]

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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@intel.com>

All warnings (new ones prefixed by >>):

drivers/net/ethernet/xilinx/xilinx_axienet_main.c: In function 'axienet_start_xmit_done':
>> drivers/net/ethernet/xilinx/xilinx_axienet_main.c:761:22: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
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':
>> drivers/net/ethernet/xilinx/xilinx_axienet_main.c:1017:18: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
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)
 > 761				dev_kfree_skb_irq((struct sk_buff *)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

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