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authorThomas Gleixner <tglx@linutronix.de>2007-02-16 01:28:01 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-16 08:13:59 -0800
commit906568c9c668ff994f4078932ec6ae1e3950d1af (patch)
tree825ac33fc61af55a0fe7485a1df681f5a6126d7b /include
parentd316c57ff6bfad9557462b9100f25c6260d2b774 (diff)
[PATCH] tick-management: core functionality
With Ingo Molnar <mingo@elte.hu> The tick-management code is the first user of the clockevents layer. It takes clock event devices from the clock events core and uses them to provide the periodic tick. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: john stultz <johnstul@us.ibm.com> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/tick.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/include/linux/tick.h b/include/linux/tick.h
new file mode 100644
index 00000000000..e5c0a4e2270
--- /dev/null
+++ b/include/linux/tick.h
@@ -0,0 +1,31 @@
+/* linux/include/linux/tick.h
+ *
+ * This file contains the structure definitions for tick related functions
+ *
+ */
+#ifndef _LINUX_TICK_H
+#define _LINUX_TICK_H
+
+#include <linux/clockchips.h>
+
+#ifdef CONFIG_GENERIC_CLOCKEVENTS
+
+enum tick_device_mode {
+ TICKDEV_MODE_PERIODIC,
+ TICKDEV_MODE_ONESHOT,
+};
+
+struct tick_device {
+ struct clock_event_device *evtdev;
+ enum tick_device_mode mode;
+};
+
+extern void __init tick_init(void);
+
+#else
+
+static inline void tick_init(void) { }
+
+#endif
+
+#endif