tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 016a2eb38be5e29bea5011bd5fed627886f59f65 commit: eba3cbcfeafedc65b74eea8faf68aae00aebd5b6 [2464/2464] drivers: initial support for rnpgbe drivers from Mucse Technology config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20250705/202507050704.uDK4BfSC-lkp@i...) compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project 61529d9e36fa86782a2458e6bdeedf7f376ef4b5) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250705/202507050704.uDK4BfSC-lkp@i...) 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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202507050704.uDK4BfSC-lkp@intel.com/ All warnings (new ones prefixed by >>): | ^ In file included from drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:35: drivers/net/ethernet/mucse/rnpgbe/rnpgbe_common.h:275:7: warning: variable 'has_mac' set but not used [-Wunused-but-set-variable] 275 | bool has_mac, has_trans; | ^ drivers/net/ethernet/mucse/rnpgbe/rnpgbe_common.h:275:16: warning: variable 'has_trans' set but not used [-Wunused-but-set-variable] 275 | bool has_mac, has_trans; | ^ drivers/net/ethernet/mucse/rnpgbe/rnpgbe_common.h:276:6: warning: variable 'headroom' set but not used [-Wunused-but-set-variable] 276 | int headroom, tailroom; | ^ drivers/net/ethernet/mucse/rnpgbe/rnpgbe_common.h:276:16: warning: variable 'tailroom' set but not used [-Wunused-but-set-variable] 276 | int headroom, tailroom; | ^ In file included from drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:40: In file included from include/net/vxlan.h:7: In file included from include/net/udp_tunnel.h:5: In file included from include/net/ip_tunnels.h:19: In file included from include/net/dst_cache.h:8: include/net/ip6_fib.h:269:10: warning: default initialization of an object of type 'typeof (f6i->expires)' (aka 'const unsigned long') leaves the object uninitialized [-Wdefault-const-init-var-unsafe] 269 | return time_after(jiffies, f6i->expires); | ^ include/linux/jiffies.h:126:3: note: expanded from macro 'time_after' 126 | typecheck(unsigned long, b) && \ | ^ include/linux/typecheck.h:11:12: note: expanded from macro 'typecheck' 11 | typeof(x) __dummy2; \ | ^ drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:271:6: warning: no previous prototype for function 'rnpgbe_disable_eee_mode' [-Wmissing-prototypes] 271 | void rnpgbe_disable_eee_mode(struct rnpgbe_adapter *adapter) | ^ drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:271:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 271 | void rnpgbe_disable_eee_mode(struct rnpgbe_adapter *adapter) | ^ | static drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:730:5: warning: no previous prototype for function 'rnpgbe_rx_ring_reinit' [-Wmissing-prototypes] 730 | int rnpgbe_rx_ring_reinit(struct rnpgbe_adapter *adapter, | ^ drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:730:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 730 | int rnpgbe_rx_ring_reinit(struct rnpgbe_adapter *adapter, | ^ | static drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:1933:7: warning: variable 'xdp_xmit' set but not used [-Wunused-but-set-variable] 1933 | bool xdp_xmit = false; | ^ drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:2170:6: warning: no previous prototype for function 'rnpgbe_write_eitr_rx' [-Wmissing-prototypes] 2170 | void rnpgbe_write_eitr_rx(struct rnpgbe_q_vector *q_vector) | ^ drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:2170:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 2170 | void rnpgbe_write_eitr_rx(struct rnpgbe_q_vector *q_vector) | ^ | static drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:2350:6: warning: variable 'cleaned_total' set but not used [-Wunused-but-set-variable] 2350 | int cleaned_total = 0; | ^ drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:2893:6: warning: variable 'rxctrl' set but not used [-Wunused-but-set-variable] 2893 | u32 rxctrl = 0, dma_axi_ctl; | ^ drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:3209:6: warning: no previous prototype for function 'rnpgbe_vlan_stags_flag' [-Wmissing-prototypes] 3209 | void rnpgbe_vlan_stags_flag(struct rnpgbe_adapter *adapter) | ^ drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:3209:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 3209 | void rnpgbe_vlan_stags_flag(struct rnpgbe_adapter *adapter) | ^ | static drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:3314:6: warning: no previous prototype for function 'rnpgbe_reinit_locked' [-Wmissing-prototypes] 3314 | void rnpgbe_reinit_locked(struct rnpgbe_adapter *adapter) | ^ drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:3314:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 3314 | void rnpgbe_reinit_locked(struct rnpgbe_adapter *adapter) | ^ | static drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:3487:5: warning: no previous prototype for function 'rnpgbe_xmit_nop_frame_ring' [-Wmissing-prototypes] 3487 | int rnpgbe_xmit_nop_frame_ring(struct rnpgbe_adapter *adapter, | ^ drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:3487:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 3487 | int rnpgbe_xmit_nop_frame_ring(struct rnpgbe_adapter *adapter, | ^ | static drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:3503:6: warning: no previous prototype for function 'print_status' [-Wmissing-prototypes] 3503 | void print_status(struct rnpgbe_adapter *adapter) | ^ drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:3503:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 3503 | void print_status(struct rnpgbe_adapter *adapter) | ^ | static drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:4624:6: warning: no previous prototype for function 'rnpgbe_eee_init' [-Wmissing-prototypes] 4624 | bool rnpgbe_eee_init(struct rnpgbe_adapter *adapter) | ^ drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:4624:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 4624 | bool rnpgbe_eee_init(struct rnpgbe_adapter *adapter) | ^ | static drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:4651:5: warning: no previous prototype for function 'rnpgbe_phy_init_eee' [-Wmissing-prototypes] 4651 | int rnpgbe_phy_init_eee(struct rnpgbe_adapter *adapter) | ^ drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:4651:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 4651 | int rnpgbe_phy_init_eee(struct rnpgbe_adapter *adapter) | ^ | static

...

drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:5611:11: warning: default initialization of an object of type 'const u8[6]' (aka 'const unsigned char[6]') leaves the object uninitialized [-Wdefault-const-init-var-unsafe] 5611 | const u8 target_addr[ETH_ALEN]; | ^ drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:6132:6: warning: no previous prototype for function 'rnpgbe_assign_netdev_ops' [-Wmissing-prototypes] 6132 | void rnpgbe_assign_netdev_ops(struct net_device *dev) | ^ drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:6132:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 6132 | void rnpgbe_assign_netdev_ops(struct net_device *dev) | ^ | static drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c:6166:29: warning: unused function 'rnpgbe_tso_features' [-Wunused-function] 6166 | static inline unsigned long rnpgbe_tso_features(struct rnpgbe_hw *hw) | ^~~~~~~~~~~~~~~~~~~ 26 warnings generated.

vim +5611 drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c 5598 5599 /** 5600 * rnpgbe_set_mac - Change the Ethernet Address of the NIC 5601 * @netdev: network interface device structure 5602 * @p: pointer to an address structure 5603 * 5604 * Returns 0 on success, negative on failure 5605 **/ 5606 static int rnpgbe_set_mac(struct net_device *netdev, void *p) 5607 { 5608 struct rnpgbe_adapter *adapter = netdev_priv(netdev); 5609 struct rnpgbe_hw *hw = &adapter->hw; 5610 struct sockaddr *addr = p;

5611 const u8 target_addr[ETH_ALEN]; 5612 bool sriov_flag = !!(adapter->flags & RNP_FLAG_SRIOV_ENABLED); 5613 5614 memcpy((void *)target_addr, addr->sa_data, netdev->addr_len); 5615 5616 if (!is_valid_ether_addr(target_addr)) 5617 return -EADDRNOTAVAIL; 5618 5619 eth_hw_addr_set(netdev, target_addr); 5620 memcpy(hw->mac.addr, addr->sa_data, netdev->addr_len); 5621 hw->ops.set_mac(hw, hw->mac.addr, sriov_flag); 5622 /* reset veb table */ 5623 rnpgbe_configure_virtualization(adapter); 5624 5625 return 0; 5626 } 5627

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