Re: [PATCH net V3 2/3] net: lan743x: Support WOL at both the PHY and MAC appropriately

From: kernel test robot
Date: Wed Jun 05 2024 - 18:26:50 EST


Hi Raju,

kernel test robot noticed the following build errors:

[auto build test ERROR on net/main]

url: https://github.com/intel-lab-lkp/linux/commits/Raju-Lakkaraju/net-lan743x-disable-WOL-upon-resume-to-restore-full-data-path-operation/20240605-182110
base: net/main
patch link: https://lore.kernel.org/r/20240605101611.18791-3-Raju.Lakkaraju%40microchip.com
patch subject: [PATCH net V3 2/3] net: lan743x: Support WOL at both the PHY and MAC appropriately
config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20240606/202406060612.UBlHLtM8-lkp@xxxxxxxxx/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project d7d2d4f53fc79b4b58e8d8d08151b577c3699d4a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240606/202406060612.UBlHLtM8-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202406060612.UBlHLtM8-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

In file included from drivers/net/ethernet/microchip/lan743x_main.c:4:
In file included from include/linux/module.h:19:
In file included from include/linux/elf.h:6:
In file included from arch/s390/include/asm/elf.h:173:
In file included from arch/s390/include/asm/mmu_context.h:11:
In file included from arch/s390/include/asm/pgalloc.h:18:
In file included from include/linux/mm.h:2253:
include/linux/vmstat.h:500:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
500 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
501 | item];
| ~~~~
include/linux/vmstat.h:507:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
507 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
508 | NR_VM_NUMA_EVENT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~~
include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
include/linux/vmstat.h:519:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
519 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
520 | NR_VM_NUMA_EVENT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~~
include/linux/vmstat.h:528:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
528 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
529 | NR_VM_NUMA_EVENT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/net/ethernet/microchip/lan743x_main.c:5:
In file included from include/linux/pci.h:39:
In file included from include/linux/io.h:14:
In file included from arch/s390/include/asm/io.h:93:
include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
548 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
| ^
include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16'
102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x))
| ^
In file included from drivers/net/ethernet/microchip/lan743x_main.c:5:
In file included from include/linux/pci.h:39:
In file included from include/linux/io.h:14:
In file included from arch/s390/include/asm/io.h:93:
include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
| ^
include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32'
115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x))
| ^
In file included from drivers/net/ethernet/microchip/lan743x_main.c:5:
In file included from include/linux/pci.h:39:
In file included from include/linux/io.h:14:
In file included from arch/s390/include/asm/io.h:93:
include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
585 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
693 | readsb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
701 | readsw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
709 | readsl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
718 | writesb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
727 | writesw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
736 | writesl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
>> drivers/net/ethernet/microchip/lan743x_main.c:3126:12: error: no member named 'phy_wol_supported' in 'struct lan743x_adapter'
3126 | adapter->phy_wol_supported = wol.supported;
| ~~~~~~~ ^
>> drivers/net/ethernet/microchip/lan743x_main.c:3127:12: error: no member named 'phy_wolopts' in 'struct lan743x_adapter'
3127 | adapter->phy_wolopts = wol.wolopts;
| ~~~~~~~ ^
17 warnings and 2 errors generated.


vim +3126 drivers/net/ethernet/microchip/lan743x_main.c

3085
3086 static int lan743x_netdev_open(struct net_device *netdev)
3087 {
3088 struct lan743x_adapter *adapter = netdev_priv(netdev);
3089 int index;
3090 int ret;
3091
3092 ret = lan743x_intr_open(adapter);
3093 if (ret)
3094 goto return_error;
3095
3096 ret = lan743x_mac_open(adapter);
3097 if (ret)
3098 goto close_intr;
3099
3100 ret = lan743x_phy_open(adapter);
3101 if (ret)
3102 goto close_mac;
3103
3104 ret = lan743x_ptp_open(adapter);
3105 if (ret)
3106 goto close_phy;
3107
3108 lan743x_rfe_open(adapter);
3109
3110 for (index = 0; index < LAN743X_USED_RX_CHANNELS; index++) {
3111 ret = lan743x_rx_open(&adapter->rx[index]);
3112 if (ret)
3113 goto close_rx;
3114 }
3115
3116 for (index = 0; index < adapter->used_tx_channels; index++) {
3117 ret = lan743x_tx_open(&adapter->tx[index]);
3118 if (ret)
3119 goto close_tx;
3120 }
3121
3122 if (adapter->netdev->phydev) {
3123 struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL };
3124
3125 phy_ethtool_get_wol(netdev->phydev, &wol);
> 3126 adapter->phy_wol_supported = wol.supported;
> 3127 adapter->phy_wolopts = wol.wolopts;
3128 }
3129
3130 return 0;
3131
3132 close_tx:
3133 for (index = 0; index < adapter->used_tx_channels; index++) {
3134 if (adapter->tx[index].ring_cpu_ptr)
3135 lan743x_tx_close(&adapter->tx[index]);
3136 }
3137
3138 close_rx:
3139 for (index = 0; index < LAN743X_USED_RX_CHANNELS; index++) {
3140 if (adapter->rx[index].ring_cpu_ptr)
3141 lan743x_rx_close(&adapter->rx[index]);
3142 }
3143 lan743x_ptp_close(adapter);
3144
3145 close_phy:
3146 lan743x_phy_close(adapter);
3147
3148 close_mac:
3149 lan743x_mac_close(adapter);
3150
3151 close_intr:
3152 lan743x_intr_close(adapter);
3153
3154 return_error:
3155 netif_warn(adapter, ifup, adapter->netdev,
3156 "Error opening LAN743x\n");
3157 return ret;
3158 }
3159

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