1 files changed, 17 insertions, 0 deletions
diff --git a/images/make_boot_img b/images/make_boot_img
index 4c788368d..246eb9de1 100755
--- a/images/make_boot_img
+++ b/images/make_boot_img
@@ -163,6 +163,23 @@ sub initrd {
         _ "cp -a $_ $tmp_initrd$_";
     };
 
+    output("$tmp_initrd/sbin/hotplug", q{
+#!/bin/sh -e
+if [ \$SUBSYSTEM = firmware ] && [ \$ACTION = add ] && [ -n "\$FIRMWARE" ] ; then
+  if [ ! -e /sys\$DEVPATH/loading ]; then
+    exit 1
+  fi
+  if [ -e "/lib/firmware/$FIRMWARE" ]; then
+    echo 1 > /sys$DEVPATH/loading
+    cat "/lib/firmware/$FIRMWARE" > /sys$DEVPATH/data
+    echo 0 > /sys$DEVPATH/loading
+    exit 0
+  fi
+  echo -1 > /sys$DEVPATH/loading
+  exit 1
+fi
+});
+    _ "chmod 755 $tmp_initrd/sbin/hotplug";
     _ "install $stage1_root/init $tmp_initrd/";
     foreach ('stage1', 'pppd', 'pppoe') {
 	_ "install $stage1_root/$_ $tmp_initrd/sbin/";