From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 17 Oct 2024 07:57:41 +0000 (+0200)
Subject: udev: consider serial ports as unconfigured only if both port and iomem_base sysattr... 
X-Git-Tag: v257-rc1~195
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=9da582984b632a75f562a304ff96dd1043281430;p=thirdparty%2Fsystemd.git

udev: consider serial ports as unconfigured only if both port and iomem_base sysattr is zero

Various archs do not know the "io port" concept, hence check for the
"iomem" configuration, too.

Fixes: #34800
---

diff --git a/rules.d/99-systemd.rules.in b/rules.d/99-systemd.rules.in
index a57de9983c9..882cda0dcdb 100644
--- a/rules.d/99-systemd.rules.in
+++ b/rules.d/99-systemd.rules.in
@@ -11,7 +11,7 @@ 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"
+SUBSYSTEM=="tty", KERNEL=="ttyS*", DRIVERS=="serial8250", ATTR{port}=="0x0", ATTR{iomem_base}=="0x0", ENV{SYSTEMD_READY}="0"
 KERNEL=="vport*", TAG+="systemd"
 
 SUBSYSTEM=="ptp", TAG+="systemd"