Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / Documentation / firmware_class / hotplug-script

diff --git a/kernel/Documentation/firmware_class/hotplug-script b/kernel/Documentation/firmware_class/hotplug-script
new file mode 100644 (file)
index 0000000..8143a95
--- /dev/null
+++ b/kernel/Documentation/firmware_class/hotplug-script
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# Simple hotplug script sample:
+# 
+# Both $DEVPATH and $FIRMWARE are already provided in the environment.
+
+HOTPLUG_FW_DIR=/usr/lib/hotplug/firmware/
+
+if [ "$SUBSYSTEM" == "firmware" -a "$ACTION" == "add" ]; then
+  if [ -f $HOTPLUG_FW_DIR/$FIRMWARE ]; then
+    echo 1 > /sys/$DEVPATH/loading
+    cat $HOTPLUG_FW_DIR/$FIRMWARE > /sys/$DEVPATH/data
+    echo 0 > /sys/$DEVPATH/loading
+  else
+    echo -1 > /sys/$DEVPATH/loading
+  fi
+fi