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