[maemo-developers] [maemo-developers] Getting the pl2303 usb serial driver to work with /dev/ttyUSB0

[From: Greg KH]

On Sun, Feb 19, 2006 at 05:36:36PM +0000, markc at catsandwich.com wrote:
> Hello,
> 
> 
>   I need to get usbserial working so that my application can communicate with a bit of specialized hardware via rs-232 -- using a PL2303 USB to serial adapter.
> 
>   I've checked the kernel config and see the pl2303 driver is there, and have rebuilt the kernel without the serial console (under the usbserial config).
> 
>   Flashed the kernel, and used flasher to enable USB host, etc.
> 
>   MAKEDEV usb builds the device special files, /dev/ttyUSB0, etc.
> 
>   However I cannot open the device -- "so such device" error.

Does the kernel recognize your device when it is plugged in?  It will
print messages in the kernel log when it does so.

thanks,

greg k-h