On Tue, Jan 27, 2009 at 07:20:20PM +0100, Bjørn Mork wrote:
> I just got a laptop with one of these cards. In recent kernels this
> seems to be handled by the option driver, after commit
> b064eca9b0cdbb2b8f731ae2e44fa02194a1219a
> added its vid/pid to this driver. This commit makes the card
> non-functional as far as I can see. The driver attaches to every
> interface and creates ttyUSBx devices for these, without considering the
> actual protocol used by the interfaces:
<snip>
Dan, you submitted this patch, is it not really needed?
thanks,
greg k-h
<rest of kernel log messages below...>
> [ 17.648867] usbserial: USB Serial Driver core
> [ 17.654310] USB Serial support registered for GSM modem (1-port)
> [ 17.654427] option 8-4:1.0: GSM modem (1-port) converter detected
> [ 17.654568] usb 8-4: GSM modem (1-port) converter now attached to ttyUSB0
> [ 17.654653] option 8-4:1.1: GSM modem (1-port) converter detected
> [ 17.654789] usb 8-4: GSM modem (1-port) converter now attached to ttyUSB1
> [ 17.654873] option 8-4:1.2: GSM modem (1-port) converter detected
> [ 17.654993] usb 8-4: GSM modem (1-port) converter now attached to ttyUSB2
> [ 17.655078] option 8-4:1.3: GSM modem (1-port) converter detected
> [ 17.655203] usb 8-4: GSM modem (1-port) converter now attached to ttyUSB3
> [ 17.655286] option 8-4:1.4: GSM modem (1-port) converter detected
> [ 17.655408] usb 8-4: GSM modem (1-port) converter now attached to ttyUSB4
> [ 17.655492] option 8-4:1.5: GSM modem (1-port) converter detected
> [ 17.655620] usb 8-4: GSM modem (1-port) converter now attached to ttyUSB5
> [ 17.655703] option 8-4:1.6: GSM modem (1-port) converter detected
> [ 17.655830] usb 8-4: GSM modem (1-port) converter now attached to ttyUSB6
> [ 17.655913] option 8-4:1.7: GSM modem (1-port) converter detected
> [ 17.656050] usb 8-4: GSM modem (1-port) converter now attached to ttyUSB7
> [ 17.656134] option 8-4:1.8: GSM modem (1-port) converter detected
> [ 17.656256] usb 8-4: GSM modem (1-port) converter now attached to ttyUSB8
> [ 17.656339] option 8-4:1.9: GSM modem (1-port) converter detected
> [ 17.656470] usb 8-4: GSM modem (1-port) converter now attached to ttyUSB9
> [ 17.656570] option 8-4:1.10: GSM modem (1-port) converter detected
> [ 17.656697] usb 8-4: GSM modem (1-port) converter now attached to ttyUSB10
> [ 17.656793] usbcore: registered new interface driver option
> [ 17.656857] option: v0.7.2:USB Driver for GSM modems
>
>
> I don't think this makes much sense if you look at the USB descriptors:
>
>
>
> Bus 008 Device 004: ID 0bdb:1900 Ericsson Business Mobile Networks BV
> Device Descriptor:
> bLength 18
> bDescriptorType 1
> bcdUSB 2.00
> bDeviceClass 2 Communications
> bDeviceSubClass 0
> bDeviceProtocol 0
> bMaxPacketSize0 64
> idVendor 0x0bdb Ericsson Business Mobile Networks BV
> idProduct 0x1900
> bcdDevice 0.00
> iManufacturer 1 Ericsson
> iProduct 2 Ericsson F3507g Mobile Broadband Minicard Composite Device
> iSerial 3 3541430214991320
> bNumConfigurations 2
> Configuration Descriptor:
> bLength 9
> bDescriptorType 2
> wTotalLength 392
> bNumInterfaces 11
> bConfigurationValue 1
> iConfiguration 4 WMC Device
> bmAttributes 0xe0
> Self Powered
> Remote Wakeup
> MaxPower 20mA
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 0
> bAlternateSetting 0
> bNumEndpoints 0
> bInterfaceClass 2 Communications
> bInterfaceSubClass 8 Wireless Handset Control
> bInterfaceProtocol 0
> iInterface 5 S_WHCM
> CDC Header:
> bcdCDC 1.10
> CDC WHCM:
> bcdVersion 1.00
> CDC Union:
> bMasterInterface 0
> bSlaveInterface 1 2 3 4 5 6 7 8 9 10
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 1
> bAlternateSetting 0
> bNumEndpoints 1
> bInterfaceClass 2 Communications
> bInterfaceSubClass 2 Abstract (modem)
> bInterfaceProtocol 1 AT-commands (v.25ter)
> iInterface 6 Ericsson F3507g Mobile Broadband Minicard Modem
> CDC Header:
> bcdCDC 1.10
> CDC Union:
> bMasterInterface 1
> bSlaveInterface 2
> CDC Call Management:
> bmCapabilities 0x03
> call management
> use DataInterface
> bDataInterface 2
> CDC ACM:
> bmCapabilities 0x07
> sends break
> line coding and serial state
> get/set/clear comm features
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x8a EP 10 IN
> bmAttributes 3
> Transfer Type Interrupt
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0010 1x 16 bytes
> bInterval 8
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 2
> bAlternateSetting 0
> bNumEndpoints 2
> bInterfaceClass 10 CDC Data
> bInterfaceSubClass 0 Unused
> bInterfaceProtocol 0
> iInterface 7 Ericsson F3507g Mobile Broadband Minicard Modem
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x01 EP 1 OUT
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0200 1x 512 bytes
> bInterval 0
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x81 EP 1 IN
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0200 1x 512 bytes
> bInterval 0
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 3
> bAlternateSetting 0
> bNumEndpoints 1
> bInterfaceClass 2 Communications
> bInterfaceSubClass 2 Abstract (modem)
> bInterfaceProtocol 1 AT-commands (v.25ter)
> iInterface 8 Ericsson F3507g Mobile Broadband Minicard Data Modem
> CDC Header:
> bcdCDC 1.10
> CDC Union:
> bMasterInterface 3
> bSlaveInterface 4
> CDC Call Management:
> bmCapabilities 0x03
> call management
> use DataInterface
> bDataInterface 4
> CDC ACM:
> bmCapabilities 0x07
> sends break
> line coding and serial state
> get/set/clear comm features
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x89 EP 9 IN
> bmAttributes 3
> Transfer Type Interrupt
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0010 1x 16 bytes
> bInterval 8
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 4
> bAlternateSetting 0
> bNumEndpoints 2
> bInterfaceClass 10 CDC Data
> bInterfaceSubClass 0 Unused
> bInterfaceProtocol 0
> iInterface 9 Ericsson F3507g Mobile Broadband Minicard Data Modem
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x02 EP 2 OUT
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0200 1x 512 bytes
> bInterval 0
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x82 EP 2 IN
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0200 1x 512 bytes
> bInterval 0
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 5
> bAlternateSetting 0
> bNumEndpoints 1
> bInterfaceClass 2 Communications
> bInterfaceSubClass 9 Device Management
> bInterfaceProtocol 1
> iInterface 10 Ericsson F3507g Mobile Broadband Minicard Device Management
> CDC Header:
> bcdCDC 1.10
> CDC Device Management:
> bcdVersion 1.00
> wMaxCommand 2048
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x8b EP 11 IN
> bmAttributes 3
> Transfer Type Interrupt
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0010 1x 16 bytes
> bInterval 8
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 6
> bAlternateSetting 0
> bNumEndpoints 1
> bInterfaceClass 2 Communications
> bInterfaceSubClass 9 Device Management
> bInterfaceProtocol 1
> iInterface 11 Ericsson F3507g Mobile Broadband Minicard PC SC Port
> CDC Header:
> bcdCDC 1.10
> CDC Device Management:
> bcdVersion 1.00
> wMaxCommand 2048
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x8c EP 12 IN
> bmAttributes 3
> Transfer Type Interrupt
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0010 1x 16 bytes
> bInterval 8
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 7
> bAlternateSetting 0
> bNumEndpoints 1
> bInterfaceClass 2 Communications
> bInterfaceSubClass 10 Mobile Direct Line
> bInterfaceProtocol 0
> iInterface 12 Ericsson F3507g Mobile Broadband Minicard Network Adapter
> CDC Header:
> bcdCDC 1.10
> CDC MDLM:
> bcdCDC 1.00
> bGUID {a317a88b-045e-4f01-a607-c0ffcb7e392a}
> CDC MDLM detail:
> bGuidDescriptorType 00
> bDetailData 02
> CDC Union:
> bMasterInterface 7
> bSlaveInterface 8
> CDC Ethernet:
> iMacAddress 13 028037EC0200
> bmEthernetStatistics 0x00000000
> wMaxSegmentSize 1514
> wNumberMCFilters 0x8040
> bNumberPowerFilters 1
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x87 EP 7 IN
> bmAttributes 3
> Transfer Type Interrupt
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0008 1x 8 bytes
> bInterval 7
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 8
> bAlternateSetting 0
> bNumEndpoints 0
> bInterfaceClass 10 CDC Data
> bInterfaceSubClass 0 Unused
> bInterfaceProtocol 0
> iInterface 14 Ericsson F3507g Mobile Broadband Minicard Network Adapter
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 8
> bAlternateSetting 1
> bNumEndpoints 2
> bInterfaceClass 10 CDC Data
> bInterfaceSubClass 0 Unused
> bInterfaceProtocol 0
> iInterface 15 -
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x04 EP 4 OUT
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0200 1x 512 bytes
> bInterval 0
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x84 EP 4 IN
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0200 1x 512 bytes
> bInterval 0
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 8
> bAlternateSetting 2
> bNumEndpoints 2
> bInterfaceClass 10 CDC Data
> bInterfaceSubClass 0 Unused
> bInterfaceProtocol 238
> iInterface 16 -
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x04 EP 4 OUT
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0200 1x 512 bytes
> bInterval 0
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x84 EP 4 IN
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0200 1x 512 bytes
> bInterval 0
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 9
> bAlternateSetting 0
> bNumEndpoints 1
> bInterfaceClass 2 Communications
> bInterfaceSubClass 2 Abstract (modem)
> bInterfaceProtocol 1 AT-commands (v.25ter)
> iInterface 17 Ericsson F3507g Mobile Broadband Minicard GPS Port
> CDC Header:
> bcdCDC 1.10
> CDC Union:
> bMasterInterface 9
> bSlaveInterface 10
> CDC Call Management:
> bmCapabilities 0x03
> call management
> use DataInterface
> bDataInterface 12
> CDC ACM:
> bmCapabilities 0x07
> sends break
> line coding and serial state
> get/set/clear comm features
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x85 EP 5 IN
> bmAttributes 3
> Transfer Type Interrupt
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0010 1x 16 bytes
> bInterval 8
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 10
> bAlternateSetting 0
> bNumEndpoints 2
> bInterfaceClass 10 CDC Data
> bInterfaceSubClass 0 Unused
> bInterfaceProtocol 0
> iInterface 18 Ericsson F3507g Mobile Broadband Minicard GPS Port
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x06 EP 6 OUT
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0200 1x 512 bytes
> bInterval 0
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x86 EP 6 IN
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0200 1x 512 bytes
> bInterval 0
> Configuration Descriptor:
> bLength 9
> bDescriptorType 2
> wTotalLength 332
> bNumInterfaces 9
> bConfigurationValue 2
> iConfiguration 4 WMC Device
> bmAttributes 0xe0
> Self Powered
> Remote Wakeup
> MaxPower 20mA
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 0
> bAlternateSetting 0
> bNumEndpoints 0
> bInterfaceClass 2 Communications
> bInterfaceSubClass 8 Wireless Handset Control
> bInterfaceProtocol 0
> iInterface 5 S_WHCM
> CDC Header:
> bcdCDC 1.10
> CDC WHCM:
> bcdVersion 1.00
> CDC Union:
> bMasterInterface 0
> bSlaveInterface 1 2 3 4 5 6 7 8
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 1
> bAlternateSetting 0
> bNumEndpoints 1
> bInterfaceClass 2 Communications
> bInterfaceSubClass 2 Abstract (modem)
> bInterfaceProtocol 1 AT-commands (v.25ter)
> iInterface 6 Ericsson F3507g Mobile Broadband Minicard Modem
> CDC Header:
> bcdCDC 1.10
> CDC Union:
> bMasterInterface 1
> bSlaveInterface 2
> CDC Call Management:
> bmCapabilities 0x03
> call management
> use DataInterface
> bDataInterface 2
> CDC ACM:
> bmCapabilities 0x07
> sends break
> line coding and serial state
> get/set/clear comm features
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x8a EP 10 IN
> bmAttributes 3
> Transfer Type Interrupt
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0010 1x 16 bytes
> bInterval 8
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 2
> bAlternateSetting 0
> bNumEndpoints 2
> bInterfaceClass 10 CDC Data
> bInterfaceSubClass 0 Unused
> bInterfaceProtocol 0
> iInterface 7 Ericsson F3507g Mobile Broadband Minicard Modem
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x01 EP 1 OUT
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0200 1x 512 bytes
> bInterval 0
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x81 EP 1 IN
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0200 1x 512 bytes
> bInterval 0
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 3
> bAlternateSetting 0
> bNumEndpoints 1
> bInterfaceClass 2 Communications
> bInterfaceSubClass 2 Abstract (modem)
> bInterfaceProtocol 1 AT-commands (v.25ter)
> iInterface 8 Ericsson F3507g Mobile Broadband Minicard Data Modem
> CDC Header:
> bcdCDC 1.10
> CDC Union:
> bMasterInterface 3
> bSlaveInterface 4
> CDC Call Management:
> bmCapabilities 0x03
> call management
> use DataInterface
> bDataInterface 4
> CDC ACM:
> bmCapabilities 0x07
> sends break
> line coding and serial state
> get/set/clear comm features
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x89 EP 9 IN
> bmAttributes 3
> Transfer Type Interrupt
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0010 1x 16 bytes
> bInterval 8
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 4
> bAlternateSetting 0
> bNumEndpoints 2
> bInterfaceClass 10 CDC Data
> bInterfaceSubClass 0 Unused
> bInterfaceProtocol 0
> iInterface 9 Ericsson F3507g Mobile Broadband Minicard Data Modem
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x02 EP 2 OUT
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0200 1x 512 bytes
> bInterval 0
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x82 EP 2 IN
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0200 1x 512 bytes
> bInterval 0
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 5
> bAlternateSetting 0
> bNumEndpoints 1
> bInterfaceClass 2 Communications
> bInterfaceSubClass 9 Device Management
> bInterfaceProtocol 1
> iInterface 10 Ericsson F3507g Mobile Broadband Minicard Device Management
> CDC Header:
> bcdCDC 1.10
> CDC Device Management:
> bcdVersion 1.00
> wMaxCommand 2048
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x8b EP 11 IN
> bmAttributes 3
> Transfer Type Interrupt
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0010 1x 16 bytes
> bInterval 8
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 6
> bAlternateSetting 0
> bNumEndpoints 1
> bInterfaceClass 2 Communications
> bInterfaceSubClass 9 Device Management
> bInterfaceProtocol 1
> iInterface 11 Ericsson F3507g Mobile Broadband Minicard PC SC Port
> CDC Header:
> bcdCDC 1.10
> CDC Device Management:
> bcdVersion 1.00
> wMaxCommand 2048
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x8c EP 12 IN
> bmAttributes 3
> Transfer Type Interrupt
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0010 1x 16 bytes
> bInterval 8
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 7
> bAlternateSetting 0
> bNumEndpoints 1
> bInterfaceClass 2 Communications
> bInterfaceSubClass 10 Mobile Direct Line
> bInterfaceProtocol 0
> iInterface 12 Ericsson F3507g Mobile Broadband Minicard Network Adapter
> CDC Header:
> bcdCDC 1.10
> CDC MDLM:
> bcdCDC 1.00
> bGUID {a317a88b-045e-4f01-a607-c0ffcb7e392a}
> CDC MDLM detail:
> bGuidDescriptorType 00
> bDetailData 02
> CDC Union:
> bMasterInterface 7
> bSlaveInterface 8
> CDC Ethernet:
> iMacAddress 13 028037EC0200
> bmEthernetStatistics 0x00000000
> wMaxSegmentSize 1514
> wNumberMCFilters 0x8040
> bNumberPowerFilters 1
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x87 EP 7 IN
> bmAttributes 3
> Transfer Type Interrupt
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0008 1x 8 bytes
> bInterval 7
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 8
> bAlternateSetting 0
> bNumEndpoints 0
> bInterfaceClass 10 CDC Data
> bInterfaceSubClass 0 Unused
> bInterfaceProtocol 0
> iInterface 14 Ericsson F3507g Mobile Broadband Minicard Network Adapter
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 8
> bAlternateSetting 1
> bNumEndpoints 2
> bInterfaceClass 10 CDC Data
> bInterfaceSubClass 0 Unused
> bInterfaceProtocol 0
> iInterface 15 -
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x04 EP 4 OUT
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0200 1x 512 bytes
> bInterval 0
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x84 EP 4 IN
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0200 1x 512 bytes
> bInterval 0
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 8
> bAlternateSetting 2
> bNumEndpoints 2
> bInterfaceClass 10 CDC Data
> bInterfaceSubClass 0 Unused
> bInterfaceProtocol 238
> iInterface 16 -
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x04 EP 4 OUT
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0200 1x 512 bytes
> bInterval 0
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x84 EP 4 IN
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0200 1x 512 bytes
> bInterval 0
> Device Qualifier (for other device speed):
> bLength 10
> bDescriptorType 6
> bcdUSB 2.00
> bDeviceClass 2 Communications
> bDeviceSubClass 0
> bDeviceProtocol 0
> bMaxPacketSize0 64
> bNumConfigurations 2
> Device Status: 0x0000
> (Bus Powered)
>
>
>
>
> As you can see, there are several standard class descriptors, which are
> handled properly by the class drivers. After blacklisting the option
> driver, I get:
>
> [13999.900043] usb 8-4: new high speed USB device using ehci_hcd and address 4
> [14001.003871] usb 8-4: configuration #1 chosen from 2 choices
> [14001.007530] cdc_acm 8-4:1.1: ttyACM0: USB ACM device
> [14001.068857] cdc_acm 8-4:1.3: ttyACM1: USB ACM device
> [14001.095678] cdc_wdm 8-4:1.5: cdc-wdm0: USB WDM device
> [14001.099602] cdc_wdm 8-4:1.6: cdc-wdm1: USB WDM device
> [14001.105210] usb 8-4: unsupported MDLM descriptors
> [14001.115265] cdc_acm 8-4:1.9: ttyACM2: USB ACM device
> [14001.125390] usb 8-4: New USB device found, idVendor=0bdb, idProduct=1900
> [14001.125394] usb 8-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
> [14001.125397] usb 8-4: Product: Ericsson F3507g Mobile Broadband Minicard Composite Device
> [14001.125400] usb 8-4: Manufacturer: Ericsson
> [14001.125403] usb 8-4: SerialNumber: 3541430214991320
>
>
> Which at least gives me three AT command interfaces which seem to be
> working as expected. Could you please revert
> b064eca9b0cdbb2b8f731ae2e44fa02194a1219a
> to allow the proper class drivers to handle this device?
>
> I am also interested in the outcome of the discussion here ("MBM: add
> Ericsson mbm driver"):
> http://article.gmane.org/gmane.linux.network.general/12891
>
> Looks like the device has some other features which can be enabled by
> this driver.
>
>
>
> Bjørn
> --
> You ponderous French maniac
>
> --
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