diff options
author | David Schneider <dnschneid@chromium.org> | 2020-04-03 18:22:50 -0700 |
---|---|---|
committer | Commit Bot <commit-bot@chromium.org> | 2020-04-07 21:50:37 +0000 |
commit | 09ee5b7820a78ccbdcd7f40a31ab72d91369214c (patch) | |
tree | f1d82f36a6cdeba010908cc215af7b9b297633b9 /extra | |
parent | 56117231b31c8b88433ce8ffc020c9d797f46a0f (diff) | |
download | chrome-ec-09ee5b7820a78ccbdcd7f40a31ab72d91369214c.tar.gz |
i2c-pseudo: Add udev rule
This removes the need for servod and iteflash to run as root when run
from outside the chroot.
BRANCH=none
BUG=b:153196340
TEST=ran script outside chroot and confirmed permissions
Change-Id: I4bb9230eb4f581ddb3a095fc5fec0f56c7c573eb
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2136338
Reviewed-by: Matthew Blecker <matthewb@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: David Schneider <dnschneid@chromium.org>
Tested-by: David Schneider <dnschneid@chromium.org>
Diffstat (limited to 'extra')
-rw-r--r-- | extra/i2c_pseudo/50-i2c-pseudo.rules | 1 | ||||
-rwxr-xr-x | extra/i2c_pseudo/install | 8 |
2 files changed, 9 insertions, 0 deletions
diff --git a/extra/i2c_pseudo/50-i2c-pseudo.rules b/extra/i2c_pseudo/50-i2c-pseudo.rules new file mode 100644 index 0000000000..22a4c8daf0 --- /dev/null +++ b/extra/i2c_pseudo/50-i2c-pseudo.rules @@ -0,0 +1 @@ +DEVPATH=="/devices/virtual/i2c-pseudo/*", GROUP="plugdev", MODE="0660" diff --git a/extra/i2c_pseudo/install b/extra/i2c_pseudo/install index f4fbecedc9..e66dcbd719 100755 --- a/extra/i2c_pseudo/install +++ b/extra/i2c_pseudo/install @@ -1,14 +1,22 @@ #!/bin/sh # # This attempts to build and install the i2c-pseudo Linux kernel module. +# Installs a udev rule making i2c-pseudo devices read-write by users in plugdev. set -e +cd "$(dirname "$0")" make clean make ret=0 sudo make modules_install || ret="$?" +# Only install udev rule if plugdev group exists. +if getent group plugdev > /dev/null; then + sudo cp -iv 50-i2c-pseudo.rules /etc/udev/rules.d/ \ + || echo 1>&2 "NOTICE: Failed to copy udev rules file." +fi + if [ "$ret" -eq 0 ]; then make clean sudo depmod -a |