[action] [PR:27146] [7215-C1] tty order and permission fix

device/nokia/arm64-nokia_ixs7215_c1xa-r0/installer.conf

@@ -1 +1,2 @@
 ONIE_PLATFORM_EXTRA_CMDLINE_LINUX="default_hugepagesz=32M hugepages=4 loglevel=4 efi_pstore.pstore_disable=1"
+GRUB_SERIAL_COMMAND="set timeout_style=hidden"

device/nokia/arm64-nokia_ixs7215_c1xa-r0/udevprefix.conf

@@ -1 +1 @@
-ttyCO
+ttyCR

platform/nokia-vs/sonic-platform-nokia/7215-c1/scripts/nokia-7215-postinit.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+#
+# Nokia 7215 post-init platform script.
+#
+# - Creates /dev/ttyCR<n+1> -> /dev/ttyCO<n> symlinks so console clients
+#   can address ports by their physical 1-based numbering.
+
+set -u
+
+# - ttyCR symlinks for ttyCO0..ttyCO47
+
+echo "[nokia-7215-postinit] waiting for /dev/ttyCO0"
+
+tty_timeout=10
+i=0
+while [ $i -lt $tty_timeout ]; do
+    if [ -e /dev/ttyCO0 ]; then
+        break
+    fi
+    sleep 1
+    i=$((i + 1))
+done
+
+if [ ! -e /dev/ttyCO0 ]; then
+    echo "[nokia-7215-postinit] timeout (${tty_timeout}s) waiting for /dev/ttyCO0; skipping ttyCR symlinks"
+    exit 0
+fi
+
+echo "[nokia-7215-postinit] creating /dev/ttyCR1..48 -> /dev/ttyCO0..47 symlinks"
+for n in $(seq 0 47); do
+    src="/dev/ttyCO${n}"
+    dst="/dev/ttyCR$((n + 1))"
+    if [ -e "$src" ]; then
+        chmod 666 "$src"
+        ln -sf "$src" "$dst"
+    fi
+done
+
+exit 0

platform/nokia-vs/sonic-platform-nokia/7215-c1/service/nokia-7215-postinit.service

@@ -0,0 +1,15 @@
+[Unit]
+Description=Nokia-7215 Post-init Platform Service
+ConditionPathExists=/usr/local/bin/nokia-7215-postinit.sh
+
+After=nokia-7215init.service
+Wants=nokia-7215init.service
+
+[Service]
+Type=oneshot
+ExecStart=/usr/local/bin/nokia-7215-postinit.sh
+RemainAfterExit=yes
+StandardOutput=tty
+
+[Install]
+WantedBy=multi-user.target

platform/nokia-vs/sonic-platform-nokia/7215-c1/sonic_platform/eeprom.py

@@ -40,13 +40,15 @@ def __init__(self, is_psu=False, psu_index=0, is_fan=False, fan_index=0):
                 self.index = psu_index
                 self.part_number = '1'
                 self.model_str = 'NA'
-                self.serial_number = 'NA'               
+                self.serial_number = 'NA'
+                self.service_tag = 'NA'
 
             if self.is_fan_eeprom:
                 self.index = fan_index
                 self.part_number = '1'
                 self.model_str = 'NA'
-                self.serial_number = 'NA'                
+                self.serial_number = 'NA'
+                self.service_tag = 'NA'
 
 
     def _load_system_eeprom(self):

platform/nokia-vs/sonic-platform-nokia/debian/sonic-platform-nokia-7215-c1.install

@@ -1,5 +1,7 @@
 7215-c1/scripts/nokia-7215-init.sh usr/local/bin
+7215-c1/scripts/nokia-7215-postinit.sh usr/local/bin
 7215-c1/scripts/cpu_wdt.py  usr/local/bin
 7215-c1/service/nokia-7215init.service  etc/systemd/system
+7215-c1/service/nokia-7215-postinit.service  etc/systemd/system
 7215-c1/service/cpu_wdt.service  etc/systemd/system
 7215-c1/sonic_platform-1.0-py3-none-any.whl usr/share/sonic/device/arm64-nokia_ixs7215_c1xa-r0

platform/nokia-vs/sonic-platform-nokia/debian/sonic-platform-nokia-7215-c1.postinst

@@ -21,6 +21,7 @@ set -e
 case "$1" in
     configure)
         chmod a+x /usr/local/bin/nokia-7215-init.sh
+        chmod a+x /usr/local/bin/nokia-7215-postinit.sh
         depmod -a
         systemctl restart kmod
         systemctl enable nokia-7215init.service
@@ -30,6 +31,8 @@ case "$1" in
         systemctl enable cpu_wdt.service
         systemctl start cpu_wdt.service
 
+        systemctl enable nokia-7215-postinit.service
+        systemctl start --no-block nokia-7215-postinit.service
     ;;
 
     abort-upgrade|abort-remove|abort-deconfigure)