Slackware 10.2 Hotplug Firmware Download - ti_usb_3410_5052
 

I am trying to get a MultiModem GPRS Modem to work on a 2.6.12 kernel with Slackware 10.2. There is a hotplug script (placed in /etc/hotplug.d/usb/) with the installation and it appears to be called and the module (ti_usb_3410_5052.ko) is loaded into the kernel when the device is plugged in, but there is an error at some point when loading the module resulting in the following error (dmesg):

usb1-6: ti_reqest_and_download_firmware - no firmware image found


I traced through the ti_usb_3410_5052.c driver and found that the call to request_firmware() returns an error value of -5. request_firmware() is located in the module firmware_class.ko. I think it may be failing on call to "kobject_hotplug(&class_dev->kobj, KOBJ_ADD);" in firmware_class.c -- but I'm not 100% sure.

I have tried placing the firmware files in both:

/lib/firmware
/usr/lib/hotplug/firmware

Neither location has solved the problem.
Any insight would be very very much appreciated. Thanks, Kevin.

YOu need to be sure that hotplug firmware loading is enabled in your kernel configuration. Can you post the contents of the script in /etc/hotplug.d/usb for me?

/etc/hotplug.d/usb/ti_usb_3410_5052.hotplug :


#!/bin/bash
#
# TI 3410/5052 USB Serial Driver Hotplug
#
# Copyright (C) 2004 Texas Instruments
#
# 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.
#
# For questions or problems with this driver, contact Texas Instruments
# technical support, or Al Borchers <alborchers@steinerpoint.com>, or
# Peter Berger <pberger@brimson.com>.
#


BOOT_CONFIG=1
ACTIVE_CONFIG=2

if [[ "$ACTION" != "add" ]]
then
exit
fi

CONFIG_PATH=/sys${DEVPATH%/?*}/bConfigurationValue

if [[ 0`cat $CONFIG_PATH` -ne $BOOT_CONFIG ]]
then
exit
fi

PRODUCT=${PRODUCT%/?*} # delete version
VENDOR_ID=`printf "%d" 0x${PRODUCT%/?*}`
PRODUCT_ID=`printf "%d" 0x${PRODUCT#*?/}`

PARAM_PATH=/sys/module/ti_usb_3410_5052/parameters

function scan() {
s=$1
shift
for i
do
if [[ $s -eq $i ]]
then
return 0
fi
done
return 1
}

IFS=$IFS,

if (scan $VENDOR_ID 1105 1760 `cat $PARAM_PATH/vendor_3410` &&
scan $PRODUCT_ID 13328 61704 61705 61712 61713 61714 `cat $PARAM_PATH/product_3410`) ||
(scan $VENDOR_ID 1105 `cat $PARAM_PATH/vendor_5052` &&
scan $PRODUCT_ID 20562 20818 20570 20575 `cat $PARAM_PATH/product_5052`)
then
echo $ACTIVE_CONFIG > $CONFIG_PATH
fi

Thanks, I'm working/helping with a hotplug.d hook such as this and wanted to see what another implementation of it looked like. I've only seen one other example, besides what I worked out.

Did you check your kernel config.

In .config:

...
CONFIG_HOTPLUG=y
...
#
# Generic Driver Options
#
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
CONFIG_FW_LOADER=m
...


I believe with these settings that the HOTPLUG FIRMWARE is set up to be supported in my kernel. Any luck on your end? Kevin

Maybe you need to compile it statically(y) or youz may need to manually load the firmware-loading module for it to work.