From 7da4ce909ae3da31faf70de2decb638ae8886db9 Mon Sep 17 00:00:00 2001
From: John Klug <john.klug@multitech.com>
Date: Thu, 9 Dec 2021 14:52:00 -0600
Subject: Add logging to evaluate rs9113 initialization

---
 recipes-kernel/rs9113/files/rs9113/rs9113.init | 45 ++++++++++++++++++++++----
 1 file changed, 39 insertions(+), 6 deletions(-)

diff --git a/recipes-kernel/rs9113/files/rs9113/rs9113.init b/recipes-kernel/rs9113/files/rs9113/rs9113.init
index 0fffb94..ced9e35 100755
--- a/recipes-kernel/rs9113/files/rs9113/rs9113.init
+++ b/recipes-kernel/rs9113/files/rs9113/rs9113.init
@@ -16,18 +16,49 @@ MTS_IODIR=/sys/devices/platform/mts-io
 RS9113_RESET=${MTS_IODIR}/wifi-bt-reset
 RS9113_INT=${MTS_IODIR}/wifi-bt-int
 RS9113_WKUP=${MTS_IODIR}/wifi-bt-lpwkup
+RSTLOG=/var/config/rs9113rstlog
 
 [ -f $CONFIG ] || exit 1
 
 . $CONFIG
 
+pid=$$
+LOG_ERR=3
+LOG_INFO=6
+
+prefix="<${pr}>rs9113[${pid}]: "
+function syslog {
+   pr=$1
+   shift
+   [[ $(cat /proc/uptime =~ ([^[:space:]]+) ]]
+   s=$(printf "%12.12fs %s" ${BASH_REMATCH[1]} "${prefix}$@")
+   echo "$s"  >/dev/kmsg
+   echo "$s"
+   echo "$s" >>${RSTLOG}
+}
+
+function logfile {
+   [[ $(cat /proc/uptime =~ ([^[:space:]]+) ]]
+   s=$(printf "%12.12fs %s" ${BASH_REMATCH[1]} "${prefix}$@")
+   echo "$s" >${RSTLOG}
+}
+
+function logpipe {
+   OIFS="${IFS}"
+   IFS=$'\n'
+   while read ln ; do
+        syslog $1 $ln
+   done
+   IFS="${OIFS}"
+}
+
 function rs9113_reset {
     for i in {1..5} ; do
         if [[ -f $RS9113_RESET ]] ; then
             break
         fi
     done
-
+    
     # Reset the RS9113 chip is ready, and
     # wait for it to settle.
     for i in {1..5} ; do
@@ -39,15 +70,17 @@ function rs9113_reset {
             # No WiFi BT, so exit quietly
             exit 0
         fi
+        logfile "After reset $i complete"
         for j in {0..250} ; do
             if /usr/bin/lsusb -d 1618:9113 ; then
+                logfile "lsusb found 1618:9113 after reset $i"
                 break 2
             fi
             usleep 100000
         done
         if ((i > 1)) ; then
-           logger -t rs9113 -p error -s "RS9113 not found after $i resets"
-           /usr/bin/lsusb | logger -t rs9113 -p error -s
+           syslog $LOG_ERR "RS9113 not found after $i resets"
+           /usr/bin/lsusb | logpipe $LOG_ERR
         fi
     done
 }
@@ -59,7 +92,7 @@ case "$1" in
 	exit 0
     fi
     rs9113_reset
-    /usr/bin/logger -t "rs9113" -p info -s "Loading rs9113 modules with COEX=$COEX_MODE and Country=$SET_COUNTRY_CODE"
+    syslog LOG_INFO "Loading rs9113 modules with COEX=$COEX_MODE and Country=$SET_COUNTRY_CODE"
     /usr/sbin/rs9113_load_modules.sh $CONFIG
     RETVAL=$?
     if [ $RETVAL -eq 0 ] ; then
@@ -70,7 +103,7 @@ case "$1" in
     ;;
 
   stop)
-    /usr/bin/logger -t "rs9113" -p info -s "Unloading rs9113 modules"
+    syslog LOG_INFO "Unloading rs9113 modules"
     /usr/sbin/rs9113_remove_modules.sh
     RETVAL=$?
     if [ $RETVAL -eq 0 ] ; then
@@ -98,7 +131,7 @@ case "$1" in
     rs9113_reset
     ;;
   *)
-    "Usage: $0 {start|stop|status|restart|reset}"
+    echo "Usage: $0 {start|stop|status|restart|reset}"
     exit 2
     ;;
 esac
-- 
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