diff options
Diffstat (limited to 'extra/usb_serial/install')
| -rwxr-xr-x | extra/usb_serial/install | 83 |
1 files changed, 76 insertions, 7 deletions
diff --git a/extra/usb_serial/install b/extra/usb_serial/install index f802f10af4..eba1d2ac83 100755 --- a/extra/usb_serial/install +++ b/extra/usb_serial/install @@ -1,19 +1,88 @@ -#!/bin/sh +#!/bin/sh -e +# +# Copyright 2016 The Chromium OS Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. +# +# Build and install raiden module and udev rules -set -e +bold=$(tput bold) +normal=$(tput sgr0) -make modules +error() { + echo "${bold}Install failed${normal}" +} -# Install the new module and update dependency and alias information -sudo make modules_install -sudo depmod -a +trap "error $LINENO" ERR +fallback=false + +if [ "$1" = "--fallback" ]; then + fallback=true + shift +fi + +if [ $# -ne 0 ]; then + echo "" + echo "Usage: ${bold}$0${normal} [--fallback]" + echo "" + echo "Install Raiden kernel module and udev rules for working with Case" + echo "Closed Debug enabled devices." + echo "" + echo "${bold}--fallback${normal}" + echo " Install udev rules to use usbserial directly without installing" + echo " the raiden module. This can be used when the raiden module fails" + echo " to build, or can not be used for other reasons." + echo "" + echo " The fallback solution will generate extra /dev/ttyUSB? entries" + echo " for the SPI and possibly other CCD bridges. These should be" + echo " ignored by you. Flashrom is smart enough to detach the kernel" + echo " driver from the SPI bridge, so they will not interfere with" + echo " flashing new firmware images over CCD." + echo "" + exit 1 +fi + +if [ "$fallback" = "false" ]; then + # + # The normal path builds and installs the raiden module + # + { + # + # Don't build the module as root so it's easier to clean up after + # + make modules && + + # + # Install the new module and update dependency and alias information + # + sudo make modules_install && + sudo depmod -a + } || { + echo $bold + echo "Building and/or installing the raiden module failed, you may" + echo "want to use the --fallback option." + echo $normal + exit 1; + } +else + # + # The fallback path installs the fallback udev rule and its helper script. + # + sudo install -m644 51-google-serial-fallback.rules /etc/udev/rules.d + sudo install add_usb_serial_id /lib/udev +fi + +# # Install the udev rule for creating /dev/google symlinks. -sudo cp 51-google-serial.rules /etc/udev/rules.d +# +sudo install -m644 51-google-serial.rules /etc/udev/rules.d +# # Trigger udev to create the symlinks for any attached devices that have the # Google Vendor ID. Limiting triggering like this prevents unwanted resetting # of some device state, even with the change action specified. +# for syspath in $(dirname $(grep -rxl --include=idVendor 18d1 /sys/devices)); do sudo udevadm trigger --action=change --parent-match=${syspath} done |