From 059712b8c72b116f054d1cb0a4439f534ca74d5c Mon Sep 17 00:00:00 2001
From: John Klug <john.klug@multitech.com>
Date: Fri, 18 Feb 2022 18:34:12 -0600
Subject: Prevent waiting for the supercap when the EEPROM is not written

---
 recipes-bsp/multitech/mts-io/mts-io.mtcap.init | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/recipes-bsp/multitech/mts-io/mts-io.mtcap.init b/recipes-bsp/multitech/mts-io/mts-io.mtcap.init
index f8e611f..7b444a1 100644
--- a/recipes-bsp/multitech/mts-io/mts-io.mtcap.init
+++ b/recipes-bsp/multitech/mts-io/mts-io.mtcap.init
@@ -107,6 +107,10 @@ gettime() {
   echo ${BASH_REMATCH[1]}
 }
 wait_for_supercap() {
+  if ! [[ -f ${sysdir}/capability/supercap ]] ; then
+      # Driver not loaded, maybe EEPROM not set
+      return
+  fi
   supercap=$(mts-io-sysfs show capability/supercap 2>/dev/null)
   if ((supercap != 1)) ; then
       return
-- 
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