1 files changed, 40 insertions, 0 deletions

diff --git a/drivers/pnp/support.c b/drivers/pnp/support.c
new file mode 100644
index 000000000000..b952aec49189
--- /dev/null
+++ b/drivers/pnp/support.c
@@ -0,0 +1,40 @@
+/*
+ * support.c - provides standard pnp functions for the use of pnp protocol drivers,
+ *
+ * Copyright 2003 Adam Belay <ambx1@neo.rr.com>
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/ctype.h>
+
+#ifdef CONFIG_PNP_DEBUG
+        #define DEBUG
+#else
+        #undef DEBUG
+#endif
+
+#include <linux/pnp.h>
+#include "base.h"
+
+/**
+ * pnp_is_active - Determines if a device is active based on its current resources
+ * @dev: pointer to the desired PnP device
+ *
+ */
+
+int pnp_is_active(struct pnp_dev * dev)
+{
+        if (!pnp_port_start(dev, 0) && pnp_port_len(dev, 0) <= 1 &&
+            !pnp_mem_start(dev, 0) && pnp_mem_len(dev, 0) <= 1 &&
+            pnp_irq(dev, 0) == -1 &&
+            pnp_dma(dev, 0) == -1)
+                return 0;
+        else
+                return 1;
+}
+
+
+
+EXPORT_SYMBOL(pnp_is_active);