diff options
| -rw-r--r-- | rules.d/99-systemd.rules.in | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/rules.d/99-systemd.rules.in b/rules.d/99-systemd.rules.in index ad0c7e2fb5..8ba6f177f8 100644 --- a/rules.d/99-systemd.rules.in +++ b/rules.d/99-systemd.rules.in @@ -10,6 +10,8 @@ ACTION=="remove", GOTO="systemd_end" SUBSYSTEM=="tty", KERNEL=="tty[a-zA-Z]*|hvc*|xvc*|hvsi*|ttysclp*|sclp_line*|3270/tty[0-9]*", TAG+="systemd" +# Exclude 8250 serial ports with a zero IO port, as they are not usable until "setserial /dev/ttySxxx port …" is invoked. +SUBSYSTEM=="tty", KERNEL=="ttyS*", DRIVERS=="serial8250", ATTR{port}=="0x0", ENV{SYSTEMD_READY}="0" KERNEL=="vport*", TAG+="systemd" SUBSYSTEM=="ptp", TAG+="systemd" |