Re: [PATCH] USB: ftdi_sio: Use jtag quirk for SNAP Connect E10

Doug Goldstein
2015-03-25T13:51:26Z

On Wed, Mar 25, 2015 at 3:44 AM, Johan Hovold <johan@kernel.org> wrote:
> On Mon, Mar 23, 2015 at 08:34:48PM -0500, Doug Goldstein wrote:
>> This patch uses the existing CALAO Systems ftdi_8u2232c_probe in order
>> to avoid attaching a TTY to the JTAG port as this board is based on the
>> CALAO Systems reference design and needs the same fix up.
>
> Thanks for the patch. Could you please provide the full "lsusb -v"
> output for the device before I apply it?
>
> Thanks,
> Johan

Johan,

This is the "lsusb -v" of the device in question.

Bus 002 Device 114: ID 0403:6010 Future Technology Devices
International, Ltd FT2232C Dual USB-UART/FIFO IC
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x0403 Future Technology Devices International, Ltd
idProduct 0x6010 FT2232C Dual USB-UART/FIFO IC
bcdDevice 5.00
iManufacturer 1 Synapse
iProduct 2 SNAP Connect E10
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 55
bNumInterfaces 2
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 500mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 255 Vendor Specific Subclass
bInterfaceProtocol 255 Vendor Specific Protocol
iInterface 2 SNAP Connect E10
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 255 Vendor Specific Subclass
bInterfaceProtocol 255 Vendor Specific Protocol
iInterface 2 SNAP Connect E10
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x04 EP 4 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Device Status: 0x0000
(Bus Powered)

I'm game for a better way of avoiding having a tty bound to the first
interface. I've been trying to figure out if I can do it via udev as
well but have had no luck there.

--
Doug Goldstein