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| author | Miroslav Lichvar <mlichvar@redhat.com> | 2025-01-16 15:34:47 +0100 |
|---|---|---|
| committer | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2025-01-16 21:12:47 +0100 |
| commit | af96ccfc24bc4803078a46b4ef2cdeb5decdfbcd (patch) | |
| tree | 97004ef839bf26028cea3a83838fc4a29162ac92 /rules.d | |
| parent | test: add link to Ubuntu autopkgtest status page in README (diff) | |
| download | systemd-af96ccfc24bc4803078a46b4ef2cdeb5decdfbcd.tar.xz systemd-af96ccfc24bc4803078a46b4ef2cdeb5decdfbcd.zip | |
udev: set clock group for PTP and RTC devices
Add a new group for clock devices to enable applications like linuxptp
to open clocks without root privileges.
Diffstat (limited to 'rules.d')
| -rw-r--r-- | rules.d/50-udev-default.rules.in | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/rules.d/50-udev-default.rules.in b/rules.d/50-udev-default.rules.in index 8fa518cd8f..078a78ad1a 100644 --- a/rules.d/50-udev-default.rules.in +++ b/rules.d/50-udev-default.rules.in @@ -10,6 +10,7 @@ SUBSYSTEM=="block", KERNEL=="md*", ENV{ID_IGNORE_DISKSEQ}="1" SUBSYSTEM=="virtio-ports", KERNEL=="vport*", ATTR{name}=="?*", SYMLINK+="virtio-ports/$attr{name}" +SUBSYSTEM=="rtc", GROUP="clock", MODE="0660" # select "system RTC" or just use the first one SUBSYSTEM=="rtc", ATTR{hctosys}=="1", SYMLINK+="rtc" SUBSYSTEM=="rtc", KERNEL=="rtc0", SYMLINK+="rtc", OPTIONS+="link_priority=-100" @@ -30,6 +31,7 @@ SUBSYSTEM=="pci|usb|platform", IMPORT{builtin}="path_id" SUBSYSTEM=="net", IMPORT{builtin}="net_driver" +SUBSYSTEM=="ptp", GROUP="clock", MODE="0660" SUBSYSTEM=="ptp", ATTR{clock_name}=="KVM virtual PTP", SYMLINK+="ptp_kvm" SUBSYSTEM=="ptp", ATTR{clock_name}=="hyperv", SYMLINK+="ptp_hyperv" |