1 files changed, 41 insertions, 0 deletions
diff --git a/modules.d/04watchdog-modules/module-setup.sh b/modules.d/04watchdog-modules/module-setup.sh
new file mode 100755
index 0000000..2a94e34
--- /dev/null
+++ b/modules.d/04watchdog-modules/module-setup.sh
@@ -0,0 +1,41 @@
+#!/bin/bash
+
+# called by dracut
+check() {
+    return 255
+}
+
+# called by dracut
+depends() {
+    return 0
+}
+
+# called by dracut
+install() {
+    return 0
+}
+
+installkernel() {
+    local -A _drivers
+    local _wdtdrv
+
+    for _wd in /sys/class/watchdog/*; do
+        ! [ -e "$_wd" ] && continue
+        _wdtdrv=$(get_dev_module "$_wd")
+        if [[ $_wdtdrv ]]; then
+            instmods "$_wdtdrv"
+            for i in $_wdtdrv; do
+                _drivers[$i]=1
+            done
+        fi
+    done
+
+    # ensure that watchdog module is loaded as early as possible
+    if [[ ${!_drivers[*]} ]]; then
+        echo "rd.driver.pre=\"$(
+            IFS=,
+            echo "${!_drivers[*]}"
+        )\"" > "${initdir}"/etc/cmdline.d/00-watchdog.conf
+    fi
+    return 0
+}