[PATCH] IRQ type flags

[powerpc.git] / include / linux / signal.h

diff --git a/include/linux/signal.h b/include/linux/signal.h
index 5dd5f02..ea9eff1 100644 (file)
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -18,6 +18,19 @@
 #define SA_PROBE               SA_ONESHOT
 #define SA_SAMPLE_RANDOM       SA_RESTART
 #define SA_SHIRQ               0x04000000
+/*
+ * As above, these correspond to the IORESOURCE_IRQ_* defines in
+ * linux/ioport.h to select the interrupt line behaviour.  When
+ * requesting an interrupt without specifying a SA_TRIGGER, the
+ * setting should be assumed to be "as already configured", which
+ * may be as per machine or firmware initialisation.
+ */
+#define SA_TRIGGER_LOW         0x00000008
+#define SA_TRIGGER_HIGH                0x00000004
+#define SA_TRIGGER_FALLING     0x00000002
+#define SA_TRIGGER_RISING      0x00000001
+#define SA_TRIGGER_MASK        (SA_TRIGGER_HIGH|SA_TRIGGER_LOW|\
+                                SA_TRIGGER_RISING|SA_TRIGGER_FALLING)
 
 /*
  * Real Time signals may be queued.