pl2303 udev not making ttyUSB0

[Bob Dodds]

/*
* Prolific PL2303 USB to serial adaptor driver header file
*
*      This program is free software; you can redistribute it and/or modify
*      it under the terms of the GNU General Public License as published by
*      the Free Software Foundation; either version 2 of the License, or
*      (at your option) any later version.
*
*/
/* Nokia CA-42 Cable */
#define NOKIA_CA42_VENDOR_ID    0x078b
#define NOKIA_CA42_PRODUCT_ID   0x1234

pl2303.ko doesn't load automatically

modprobe pl2303

lsmod

Module                  Size  Used by
pl2303                 16580  0
usbserial              23332  1 pl2303
cdc_acm                10692  0
usb_storage            63520  0
libusual                5840  1 usb_storage
ehci_hcd               27852  0
ohci_hcd               16988  0
usbcore                97184  8 
pl2303,usbserial,cdc_acm,usb_storage,libusual,ehci_hcd,ohci_hcd

# no /dev/ttyUSB0

for a in /etc/udev/* ; do grep USB $a && echo "   ...in "$a; done

KERNEL=="ttyUSB[0-9]*", SYMLINK+="%k"
  ...in /etc/udev/compat-full.rules
#KERNEL=="ttyUSB[0-9]*",        SYMLINK+="%k"
  ...in /etc/udev/compat.rules
# USB devices
BUS=="usb", KERNEL=="ttyUSB*", SYSFS{product}=="Palm Handheld*", \
KERNEL=="ttyUSB[0-9]*",         NAME="tts/USB%n"
  ...in /etc/udev/devfs.rules
# USB devices
  ...in /etc/udev/permissions.rules
# USB devices
  ...in /etc/udev/permissions.rules.dpkg-old
# USB devices
#BUS=="usb", KERNEL=="ttyUSB*", SYSFS{product}=="Palm Handheld*", \
#BUS=="usb", KERNEL=="ttyUSB*", SYSFS{product}=="Nokia Mobile*", \
  ...in /etc/udev/udev.rules
# USB devices
BUS="usb", KERNEL="ttyUSB*", SYSFS{product}="Palm Handheld*", 
SYMLINK="pilot", GROUP="audio"
  ...in /etc/udev/udev.rules.dpkg-old

# USB devices
BUS=="usb", KERNEL=="hiddev*",        NAME="usb/%k"
BUS=="usb", KERNEL=="auer[0-9]*",    NAME="usb/%k"
BUS=="usb", KERNEL=="legousbtower*",    NAME="usb/%k"
BUS=="usb", KERNEL=="dabusb*",        NAME="usb/%k"
BUS=="usb", KERNEL=="cpad[0-9]*",    NAME="usb/%k"
BUS=="usb", KERNEL=="lp[0-9]*",        NAME="usb/%k"
BUS=="usb", KERNEL=="ttyUSB*", SYSFS{product}=="Palm Handheld*", \
                   SYMLINK+=="pilot"

-Bob