硬件添加usb hub ,usb转网口的的接口不能正常使用,报错usb 2-1: device descriptor read/64, error -62

    0.000000] Calibrating delay loop... 385.84 BogoMIPS (lpj=1929216)
[    0.060000] pid_max: default: 32768 minimum: 301
[    0.060000] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.070000] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.080000] pinctrl core: initialized pinctrl subsystem
[    0.090000] NET: Registered protocol family 16
[    0.200000] mt7620-pci 10140000.pcie: Port 0 N_FTS = 1b105000
[    0.350000] mt7620-pci 10140000.pcie: PCIE0 no card, disable it(RST&CLK)
[    0.360000] mt7620-pci: probe of 10140000.pcie failed with error -1
[    0.380000] mt7621_gpio 10000600.gpio: registering 32 gpios
[    0.390000] mt7621_gpio 10000600.gpio: registering 32 gpios
[    0.400000] mt7621_gpio 10000600.gpio: registering 32 gpios
[    0.410000] usbcore: registered new interface driver usbfs
[    0.420000] usbcore: registered new interface driver hub
[    0.430000] usbcore: registered new device driver usb
[    0.440000] Switched to clocksource MIPS
[    0.450000] NET: Registered protocol family 2
[    0.450000] TCP established hash table entries: 1024 (order: 0, 4096 bytes)
[    0.470000] TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
[    0.480000] TCP: Hash tables configured (established 1024 bind 1024)
[    0.490000] TCP: reno registered
[    0.500000] UDP hash table entries: 256 (order: 0, 4096 bytes)
[    0.510000] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[    0.520000] NET: Registered protocol family 1
[    0.530000] futex hash table entries: 256 (order: -1, 3072 bytes)
[    0.560000] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[    0.580000] jffs2: version 2.2 (NAND) (SUMMARY) (LZMA) (RTIME) (CMODE_PRIORITY) (c) 2001-2006 Red Hat, Inc.
[    0.600000] msgmni has been set to 118
[    0.610000] io scheduler noop registered
[    0.610000] io scheduler deadline registered (default)
[    0.620000] drivers/phy/phy-ralink-usb.c:ralink_usb_phy_probe[336]
[    0.640000] drivers/phy/phy-ralink-usb.c:ralink_usb_phy_probe[350]
[    0.650000] gdma-rt2880 10002800.gdma: revision: 3, channels: 16
[    0.660000] Serial: 8250/16550 driver, 2 ports, IRQ sharing disabled
[    0.680000] console [ttyS0] disabled
[    0.680000] 10000c00.uartlite: ttyS0 at MMIO 0x10000c00 (irq = 28, base_baud = 2500000) is a 16550A
[    0.700000] console [ttyS0] enabled
[    0.700000] console [ttyS0] enabled
[    0.710000] bootconsole [early0] disabled
[    0.710000] bootconsole [early0] disabled
[    0.730000] 10000d00.uart1: ttyS1 at MMIO 0x10000d00 (irq = 29, base_baud = 2500000) is a 16550A
[    0.750000] of_serial: probe of 10000e00.uart2 failed with error -28
[    0.760000] MT7628/7688 SPI Driver By WRTnode Team !
[    0.770000] spi-mt7621 10000b00.spi: sys_freq: 193333333
[    0.790000] m25p80 spi0.0: w25q128 (16384 Kbytes)
[    0.800000] m25p80 spi0.0: using chunked io
[    0.810000] 4 ofpart partitions found on MTD device spi0.0
[    0.820000] Creating 4 MTD partitions on "spi0.0":
[    0.830000] 0x000000000000-0x000000030000 : "u-boot"
[    0.840000] 0x000000030000-0x000000040000 : "u-boot-env"
[    0.850000] 0x000000040000-0x000000050000 : "factory"
[    0.860000] 0x000000050000-0x000001000000 : "firmware"
[    0.930000] 2 uimage-fw partitions found on MTD device firmware
[    0.950000] 0x000000050000-0x000000192a10 : "kernel"
[    0.960000] 0x000000192a10-0x000001000000 : "rootfs"
[    0.970000] mtd: device 5 (rootfs) set to be root filesystem
[    0.980000] 1 squashfs-split partitions found on MTD device rootfs
[    0.990000] 0x000000770000-0x000001000000 : "rootfs_data"
[    1.020000] ralink_soc_eth 10100000.ethernet eth0: ralink at 0xb0100000, irq 5
[    1.030000] PPP generic driver version 2.4.2
[    1.040000] PPP BSD Compression module registered
[    1.050000] PPP Deflate Compression module registered
[    1.060000] PPP MPPE Compression module registered
[    1.070000] NET: Registered protocol family 24
[    1.080000] usbcore: registered new interface driver cdc_ether
[    1.090000] usbcore: registered new interface driver simcom_wwan
[    1.100000] usbcore: registered new interface driver qmi_wwan
[    1.110000] GobiNet: GobiNet_SR01A02V14
[    1.120000] usbcore: registered new interface driver GobiNet
[    1.130000] usbcore: registered new interface driver cdc_wdm
[    1.140000] usbcore: registered new interface driver usbserial
[    1.150000] usbcore: registered new interface driver usbserial_generic
[    1.170000] usbserial: USB Serial support registered for generic
[    1.180000] usbcore: registered new interface driver option
[    1.190000] usbserial: USB Serial support registered for GSM modem (1-port)
[    1.200000] mt7621_wdt 10000120.watchdog: Initialized
[    1.210000] xt_time: kernel timezone is -0000
[    1.220000] TCP: cubic registered
[    1.230000] NET: Registered protocol family 17
[    1.240000] bridge: automatic filtering via arp/ip/ip6tables has been deprecated. Update your scripts to load br_netfilter if you need this.
[    1.260000] 8021q: 802.1Q VLAN Support v1.8
[    1.270000] NET: Registered protocol family 36
[    1.300000] VFS: Mounted root (squashfs filesystem) readonly on device 31:5.
[    1.310000] Freeing unused kernel memory: 184K (803a2000 - 803d0000)
[    2.890000] init: Console is alive
[    2.890000] init: - watchdog -
[    5.810000] gpio_rst_drv_init:Hello slic_gpio
[    5.820000] gpio_rst_drv_init:Hello gpio_rst
[    5.830000] spi_drv_init:Hello spi
[    5.840000] spi_drv_init:SIM_ENABLE
[    5.850000] gpio_rst_drv_init:Hello watchdog
[    5.860000] SCSI subsystem initialized
[    5.880000] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    5.890000] ehci-platform: EHCI generic platform driver
[    6.070000] U2PHY P0 set SRCTRL calibration value: 7
[    6.070000] ehci-platform 101c0000.ehci: EHCI Host Controller
[    6.090000] ehci-platform 101c0000.ehci: new USB bus registered, assigned bus number 1
[    6.100000] ehci-platform 101c0000.ehci: irq 26, io mem 0x101c0000
[    6.130000] ehci-platform 101c0000.ehci: USB 2.0 started, EHCI 1.00
[    6.140000] hub 1-0:1.0: USB hub found
[    6.150000] hub 1-0:1.0: 1 port detected
[    6.160000] ehci-pci: EHCI PCI platform driver
[    6.170000] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    6.180000] ohci-platform: OHCI generic platform driver
[    6.190000] ohci-platform 101c1000.ohci: Generic Platform OHCI controller
[    6.200000] ohci-platform 101c1000.ohci: new USB bus registered, assigned bus number 2
[    6.220000] ohci-platform 101c1000.ohci: irq 26, io mem 0x101c1000
[    6.290000] hub 2-0:1.0: USB hub found
[    6.300000] hub 2-0:1.0: 1 port detected
[    6.310000] usbcore: registered new interface driver usb-storage
[    7.010000] init: - preinit -
[    7.140000] usb 2-1: new full-speed USB device number 2 using ohci-platform
[    7.550000] usb 2-1: device descriptor read/64, error -62
[    7.870000] usb 2-1: device descriptor read/64, error -62
[    7.900000] rt305x-esw 10110000.esw: link changed 0x00
[    8.100000] random: procd urandom read with 12 bits of entropy available
Press the [f] key and hit [enter] to enter failsafe mode
Press the [1], [2], [3] or [4] key and hit [enter] to select the debug level
[    8.230000] usb 2-1: new full-speed USB device number 3 using ohci-platform
[    8.420000] usb 2-1: device descriptor read/64, error -62
[    8.720000] usb 2-1: device descriptor read/64, error -62
[    9.020000] usb 2-1: new full-speed USB device number 4 using ohci-platform
[    9.450000] usb 2-1: device not accepting address 4, error -62
[    9.640000] usb 2-1: new full-speed USB device number 5 using ohci-platform
[   10.070000] usb 2-1: device not accepting address 5, error -62
[   10.080000] usb usb2-port1: unable to enumerate USB device
[   10.920000] rt305x-esw 10110000.esw: link changed 0x02
[   11.360000] mount_root: loading kmods from internal overlay
[   12.200000] jffs2: notice: (401) jffs2_build_xattr_subsystem: complete building xattr subsystem, 0 of xdatum (0 unchecked, 0 orphan) and 0 of xref (0 dead, 0 orphan) found.
[   12.230000] block: attempting to load /tmp/jffs_cfg/upper/etc/config/fstab
[   12.290000] block: extroot: not configured
[   12.580000] jffs2: notice: (398) jffs2_build_xattr_subsystem: complete building xattr subsystem, 0 of xdatum (0 unchecked, 0 orphan) and 0 of xref (0 dead, 0 orphan) found.
[   13.080000] block: attempting to load /tmp/jffs_cfg/upper/etc/config/fstab
[   13.150000] block: extroot: not configured
[   13.150000] mount_root: switching to jffs2 overlay
[   13.190000] procd: - early -
[   13.190000] procd: - watchdog -
[   14.110000] procd: - ubus -
[   15.140000] procd: - init -
Please press Enter to activate this console.
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这个是u口接触不良啊。。。。跟驱动没关系,设备都没识别

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