修复macb驱动卸载过程中的告警 · Pull Request !17493 · openEuler/kernel

修复macb驱动卸载过程中的告警
macb_remove中先执行phy_exit，再执行unregister_netdev，导致该问题。

```
Aug 10 08:54:40 localhost kernel: [  764.370434] macb PHYT0036:01: gem-ptp-timer ptp clock unregistered.
Aug 10 08:54:40 localhost NetworkManager[910]: <info>  [1754787280.4049] device (eth6): state change: disconnected -> unmanaged (reason 'removed', sys-iface-state: 'removed')
Aug 10 08:54:40 localhost kernel: [  764.540924] macb PHYT0036:00 eth4: Link is Down
Aug 10 08:54:40 localhost kernel: [  764.540969] ------------[ cut here ]------------
Aug 10 08:54:40 localhost kernel: [  764.540973] kernfs: can not remove 'attached_dev', no directory
Aug 10 08:54:40 localhost kernel: [  764.541004] WARNING: CPU: 1 PID: 27146 at fs/kernfs/dir.c:1683 kernfs_remove_by_name_ns+0xd8/0xf0
Aug 10 08:54:40 localhost kernel: [  764.541027] Modules linked in: xt_set(E) ip_set_bitmap_port(E) ip_set_hash_net(E) ip_set(E) ip6table_filter(E) ip6_tables(E) xt_conntrack(E) nf_conntrack(E) nf_defrag_ipv6(E) nf_defrag_ipv4(E) libcrc32c(E) iptable_filter(E) ip_tables(E) rfkill(E) motorcomm(E) macb(E-) phylink(E) ngbe(E) sg(E) i2c_dev(E) fuse(E) drm(E) nfnetlink(E) ext4(E) mbcache(E) jbd2(E) dm_crypt(E) sd_mod(E) t10_pi(E) crc64_rocksoft_generic(E) crc64_rocksoft(E) crc64(E) crct10dif_ce(E) ghash_ce(E) sha3_ce(E) rtc_ds1307(E) regmap_i2c(E) sha512_ce(E) sha512_arm64(E) sha2_ce(E) sha256_arm64(E) sha1_ce(E) sbsa_gwdt(E) i2c_phytium_platform(E) i2c_phytium_core(E) xhci_plat_hcd(E) i2c_smbus(E) ahci_platform(E) libahci_platform(E) phytium_mci_plat(E) libahci(E) phytium_mci(E) mmc_core(E) libata(E) gpio_phytium_platform(E) gpio_phytium_core(E) dm_mirror(E) dm_region_hash(E) dm_log(E) dm_mod(E) aes_neon_bs(E) aes_neon_blk(E) aes_ce_blk(E) aes_ce_cipher(E)
Aug 10 08:54:40 localhost kernel: [  764.541225] CPU: 1 PID: 27146 Comm: rmmod Kdump: loaded Tainted: G S      W   E      6.6.0 #1
Aug 10 08:54:40 localhost kernel: [  764.541234] Hardware name: JNWY NSP-5065/NSP-5065, BIOS 5065-BXY-1.0 03/31/2025
Aug 10 08:54:40 localhost kernel: [  764.541240] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
Aug 10 08:54:40 localhost kernel: [  764.541247] pc : kernfs_remove_by_name_ns+0xd8/0xf0
Aug 10 08:54:40 localhost kernel: [  764.541259] lr : kernfs_remove_by_name_ns+0xd8/0xf0
Aug 10 08:54:40 localhost kernel: [  764.541268] sp : ffff80008522b8e0
Aug 10 08:54:40 localhost kernel: [  764.541272] x29: ffff80008522b8e0 x28: 0000000000000000 x27: 0000000000000000
Aug 10 08:54:40 localhost kernel: [  764.541284] x26: ffff800082318700 x25: ffff80008522bb28 x24: dead000000000100
Aug 10 08:54:40 localhost kernel: [  764.541296] x23: ffff80008522ba28 x22: ffff001f89b8fae8 x21: ffff001f85715de0
Aug 10 08:54:40 localhost kernel: [  764.541308] x20: ffff001f82cb0000 x19: ffff001f85715800 x18: ffffffffffffffff
Aug 10 08:54:40 localhost kernel: [  764.541320] x17: ffff80207e4e1000 x16: ffff800080008000 x15: 3633303054594850
Aug 10 08:54:40 localhost kernel: [  764.541332] x14: 0000000000000004 x13: 79726f7463657269 x12: 64206f6e202c2776
Aug 10 08:54:40 localhost kernel: [  764.541344] x11: 00000000ffff7fff x10: ffff80008215b400 x9 : ffff800080159360
Aug 10 08:54:40 localhost kernel: [  764.541356] x8 : 00000000000bffe8 x7 : c0000000ffff7fff x6 : 0000000000000001
Aug 10 08:54:40 localhost kernel: [  764.541367] x5 : ffff0020fff50d08 x4 : 0000000000000000 x3 : 0000000000000027
Aug 10 08:54:40 localhost kernel: [  764.541379] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff001f83e29440
Aug 10 08:54:40 localhost kernel: [  764.541391] Call trace:
Aug 10 08:54:40 localhost kernel: [  764.541396]  kernfs_remove_by_name_ns+0xd8/0xf0
Aug 10 08:54:40 localhost kernel: [  764.541406]  sysfs_remove_link+0x24/0x58
Aug 10 08:54:40 localhost kernel: [  764.541414]  phy_detach+0x5c/0x168
Aug 10 08:54:40 localhost kernel: [  764.541422]  phy_disconnect+0x4c/0x70
Aug 10 08:54:40 localhost kernel: [  764.541429]  phylink_disconnect_phy+0x6c/0xc0 [phylink]
Aug 10 08:54:40 localhost kernel: [  764.541461]  macb_close+0x6c/0x170 [macb]
Aug 10 08:54:40 localhost kernel: [  764.541482]  __dev_close_many+0xbc/0x170
Aug 10 08:54:40 localhost kernel: [  764.541492]  dev_close_many+0xbc/0x1a0
Aug 10 08:54:40 localhost kernel: [  764.541499]  unregister_netdevice_many_notify+0x178/0x618
Aug 10 08:54:40 localhost kernel: [  764.541509]  unregister_netdevice_queue+0xf8/0x140
Aug 10 08:54:40 localhost kernel: [  764.541517]  unregister_netdev+0x2c/0x48
Aug 10 08:54:40 localhost kernel: [  764.541526]  macb_remove+0x60/0x168 [macb]
Aug 10 08:54:40 localhost kernel: [  764.541543]  platform_remove+0x5c/0x80
Aug 10 08:54:40 localhost kernel: [  764.541552]  device_remove+0x54/0x90
Aug 10 08:54:40 localhost kernel: [  764.541559]  device_release_driver_internal+0x1dc/0x240
Aug 10 08:54:40 localhost kernel: [  764.541566]  driver_detach+0x98/0x118
Aug 10 08:54:40 localhost kernel: [  764.541573]  bus_remove_driver+0x78/0x108
Aug 10 08:54:40 localhost kernel: [  764.541580]  driver_unregister+0x38/0x70
Aug 10 08:54:40 localhost kernel: [  764.541586]  platform_driver_unregister+0x1c/0x30
Aug 10 08:54:40 localhost kernel: [  764.541594]  macb_driver_exit+0x18/0x13c0 [macb]
Aug 10 08:54:40 localhost kernel: [  764.541611]  __se_sys_delete_module.isra.0+0x18c/0x2a8
Aug 10 08:54:40 localhost kernel: [  764.541620]  __arm64_sys_delete_module+0x1c/0x30
Aug 10 08:54:40 localhost kernel: [  764.541627]  invoke_syscall+0x50/0x128
Aug 10 08:54:40 localhost kernel: [  764.541635]  el0_svc_common.constprop.0+0xc8/0xf0
Aug 10 08:54:40 localhost kernel: [  764.541641]  do_el0_svc+0x24/0x38
Aug 10 08:54:40 localhost kernel: [  764.541647]  el0_svc+0x44/0x1d8
Aug 10 08:54:40 localhost kernel: [  764.541657]  el0t_64_sync_handler+0x100/0x130
Aug 10 08:54:40 localhost kernel: [  764.541665]  el0t_64_sync+0x188/0x190
Aug 10 08:54:40 localhost kernel: [  764.541673] ---[ end trace 0000000000000000 ]---
Aug 10 08:54:40 localhost kernel: [  764.544626] macb PHYT0036:00: gem-ptp-timer ptp clock unregistered.
```

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