added spinlock stuff (frank)

diff --git a/include/linux/comedi_rt.h b/include/linux/comedi_rt.h
index 57814848a20cd4345cc1c74515dfc6b75e1a5bc2..fc0b9a82efaaad055273ce8a649a88797c29aaa5 100644 (file)
--- a/include/linux/comedi_rt.h
+++ b/include/linux/comedi_rt.h
@@ -67,5 +67,26 @@ void comedi_rt_pend_wakeup(wait_queue_head_t *q);
 
 #endif
 
+
+// define a spin_lock_irqsave function that will work with rt or without
+
+#if defined(CONFIG_COMEDI_RTAI)
+#define comedi_spin_lock_irqsave(x, flags)     rt_spin_lock_irqsave(x, flags)
+#define comedi_spin_unlock_irqrestore(x, flags)        rt_spin_unlock_irqrestore(x, flags)
+
+#elif defined(CONFIG_COMEDI_RTL)
+#define comedi_spin_lock_irqsave(x, flags)     rtl_spin_lock_irqsave(x, flags)
+#define comedi_spin_unlock_irqrestore(x, flags)        rtl_spin_unlock_irqrestore(x, flags)
+
+#elif defined(CONFIG_COMEDI_RTL_V1)
+#define comedi_spin_lock_irqsave(x, flags)     rtl_spin_lock_irqsave(x, flags)
+#define comedi_spin_unlock_irqrestore(x, flags)        rtl_spin_unlock_irqrestore(x, flags)
+
+#else
+#define comedi_spin_lock_irqsave(x, flags)     spin_lock_irqsave(x, flags);
+#define comedi_spin_unlock_irqrestore(x, flags)        spin_unlock_irqrestore(x, flags);
+
 #endif
 
+
+#endif