Attachment 'lsusb.txt'
Download 1 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
2 Device Descriptor:
3 bLength 18
4 bDescriptorType 1
5 bcdUSB 1.10
6 bDeviceClass 9 Hub
7 bDeviceSubClass 0
8 bDeviceProtocol 0 Full speed (or root) hub
9 bMaxPacketSize0 64
10 idVendor 0x1d6b Linux Foundation
11 idProduct 0x0001 1.1 root hub
12 bcdDevice 4.19
13 iManufacturer 3 Linux 4.19.0-loongson-2k ohci_hcd
14 iProduct 2 OHCI PCI host controller
15 iSerial 1 0000:00:04.2
16 bNumConfigurations 1
17 Configuration Descriptor:
18 bLength 9
19 bDescriptorType 2
20 wTotalLength 0x0019
21 bNumInterfaces 1
22 bConfigurationValue 1
23 iConfiguration 0
24 bmAttributes 0xe0
25 Self Powered
26 Remote Wakeup
27 MaxPower 0mA
28 Interface Descriptor:
29 bLength 9
30 bDescriptorType 4
31 bInterfaceNumber 0
32 bAlternateSetting 0
33 bNumEndpoints 1
34 bInterfaceClass 9 Hub
35 bInterfaceSubClass 0
36 bInterfaceProtocol 0 Full speed (or root) hub
37 iInterface 0
38 Endpoint Descriptor:
39 bLength 7
40 bDescriptorType 5
41 bEndpointAddress 0x81 EP 1 IN
42 bmAttributes 3
43 Transfer Type Interrupt
44 Synch Type None
45 Usage Type Data
46 wMaxPacketSize 0x0002 1x 2 bytes
47 bInterval 255
48 Hub Descriptor:
49 bLength 9
50 bDescriptorType 41
51 nNbrPorts 3
52 wHubCharacteristic 0x0002
53 No power switching (usb 1.0)
54 Ganged overcurrent protection
55 bPwrOn2PwrGood 2 * 2 milli seconds
56 bHubContrCurrent 0 milli Ampere
57 DeviceRemovable 0x00
58 PortPwrCtrlMask 0xff
59 Hub Port Status:
60 Port 1: 0000.0100 power
61 Port 2: 0000.0100 power
62 Port 3: 0000.0100 power
63 can't get debug descriptor: Resource temporarily unavailable
64 Device Status: 0x0001
65 Self Powered
66
67 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
68 Device Descriptor:
69 bLength 18
70 bDescriptorType 1
71 bcdUSB 2.00
72 bDeviceClass 9 Hub
73 bDeviceSubClass 0
74 bDeviceProtocol 0 Full speed (or root) hub
75 bMaxPacketSize0 64
76 idVendor 0x1d6b Linux Foundation
77 idProduct 0x0002 2.0 root hub
78 bcdDevice 4.19
79 iManufacturer 3 Linux 4.19.0-loongson-2k ehci_hcd
80 iProduct 2 EHCI Host Controller
81 iSerial 1 0000:00:04.1
82 bNumConfigurations 1
83 Configuration Descriptor:
84 bLength 9
85 bDescriptorType 2
86 wTotalLength 0x0019
87 bNumInterfaces 1
88 bConfigurationValue 1
89 iConfiguration 0
90 bmAttributes 0xe0
91 Self Powered
92 Remote Wakeup
93 MaxPower 0mA
94 Interface Descriptor:
95 bLength 9
96 bDescriptorType 4
97 bInterfaceNumber 0
98 bAlternateSetting 0
99 bNumEndpoints 1
100 bInterfaceClass 9 Hub
101 bInterfaceSubClass 0
102 bInterfaceProtocol 0 Full speed (or root) hub
103 iInterface 0
104 Endpoint Descriptor:
105 bLength 7
106 bDescriptorType 5
107 bEndpointAddress 0x81 EP 1 IN
108 bmAttributes 3
109 Transfer Type Interrupt
110 Synch Type None
111 Usage Type Data
112 wMaxPacketSize 0x0004 1x 4 bytes
113 bInterval 12
114 Hub Descriptor:
115 bLength 9
116 bDescriptorType 41
117 nNbrPorts 3
118 wHubCharacteristic 0x0009
119 Per-port power switching
120 Per-port overcurrent protection
121 bPwrOn2PwrGood 10 * 2 milli seconds
122 bHubContrCurrent 0 milli Ampere
123 DeviceRemovable 0x00
124 PortPwrCtrlMask 0xff
125 Hub Port Status:
126 Port 1: 0000.0100 power
127 Port 2: 0000.0100 power
128 Port 3: 0000.0100 power
129 can't get device qualifier: Resource temporarily unavailable
130 can't get debug descriptor: Resource temporarily unavailable
131 Device Status: 0x0001
132 Self Powered
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