On Tue, Jul 11, 2017 at 01:32:00PM +0300, Anton Avramov wrote:
> Hello,
>
> I have a new device in my possession that works with usbserial generic
> driver.
> In order for it to work I execute:
> modprobe usbserial
> echo fff0 0100 > /sys/bus/usb-serial/drivers/generic/new_id
>
> I'm writing to you since dmesg reads:
> [ 1674.626941] usbserial_generic 4-2:1.0: Generic device with no bulk
> out, not allowed.
> [ 1674.626972] usbserial_generic: probe of 4-2:1.0 failed with error -5
> [ 1674.626991] usbserial_generic 4-2:1.1: The "generic" usb-serial
> driver is only for testing and one-off prototypes.
> [ 1674.626997] usbserial_generic 4-2:1.1: Tell linux-usb@xxxxxxxxxxxxxx
> g to add your device to a proper driver.
> [ 1674.627002] usbserial_generic 4-2:1.1: generic converter detected
> [ 1674.627276] usb 4-2: generic converter now attached to ttyUSB0
Thanks for reporting this to us.
> query the device pins:
>
> /usr/bin/statserial -d /dev/ttyUSB0
> statserial: TIOCMGET failed: Invalid argument
Yeah, that's not expected to work with the generic driver.
> looking at parent device '/devices/pci0000:00/0000:00:04.0/usb4/4-
> 2/4-2:1.1':
> KERNELS=="4-2:1.1"
> SUBSYSTEMS=="usb"
> DRIVERS=="usbserial_generic"
> ATTRS{bInterfaceClass}=="0a"
> ATTRS{bInterfaceSubClass}=="00"
> ATTRS{bInterfaceProtocol}=="00"
> ATTRS{bNumEndpoints}=="02"
> ATTRS{supports_autosuspend}=="1"
> ATTRS{bAlternateSetting}==" 0"
> ATTRS{bInterfaceNumber}=="01"
>
> looking at parent device '/devices/pci0000:00/0000:00:04.0/usb4/4-2':
> KERNELS=="4-2"
> SUBSYSTEMS=="usb"
> DRIVERS=="usb"
> ATTRS{bDeviceSubClass}=="00"
> ATTRS{bDeviceProtocol}=="00"
> ATTRS{devpath}=="2"
> ATTRS{idVendor}=="fff0"
> ATTRS{speed}=="12"
> ATTRS{bNumInterfaces}==" 2"
> ATTRS{bConfigurationValue}=="1"
> ATTRS{bMaxPacketSize0}=="64"
> ATTRS{busnum}=="4"
> ATTRS{devnum}=="2"
> ATTRS{configuration}==""
> ATTRS{bMaxPower}=="0mA"
> ATTRS{authorized}=="1"
> ATTRS{bmAttributes}=="c0"
> ATTRS{bNumConfigurations}=="1"
> ATTRS{maxchild}=="0"
> ATTRS{bcdDevice}=="0100"
> ATTRS{avoid_reset_quirk}=="0"
> ATTRS{quirks}=="0x0"
> ATTRS{serial}=="DT653794"
> ATTRS{version}==" 1.01"
> ATTRS{urbnum}=="42"
> ATTRS{ltm_capable}=="no"
> ATTRS{manufacturer}=="DATECS"
> ATTRS{removable}=="unknown"
> ATTRS{idProduct}=="0100"
> ATTRS{bDeviceClass}=="02"
> ATTRS{product}=="Fiscal Printer FP-2000"
This looks like you should be using the cdc-acm driver instead, but
please provide the output of "lsusb -v" for this device first (as that
is a bit easier to parse).
Thanks,
Johan
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
