[PATCH] clocksource: replace is_continuous by a flag field

Using a flag filed allows to encode more than one information into a variable.
Preparatory patch for the generic clocksource verification.

[mingo@elte.hu: convert vmitime.c to the new clocksource flag]
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>

1 files changed, 8 insertions, 2 deletions

diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index 55d714052374..45b0c310ae82 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -45,7 +45,7 @@ typedef u64 cycle_t;
  * @mult:               cycle to nanosecond multiplier
  * @shift:              cycle to nanosecond divisor (power of two)
  * @update_callback:    called when safe to alter clocksource values
- * @is_continuous:      defines if clocksource is free-running.
+ * @flags:              flags describing special properties
  * @cycle_interval:     Used internally by timekeeping core, please ignore.
  * @xtime_interval:     Used internally by timekeeping core, please ignore.
  */
@@ -58,7 +58,7 @@ struct clocksource {
         u32 mult;
         u32 shift;
         int (*update_callback)(void);
-        int is_continuous;
+        unsigned long flags;
 
         /* timekeeping specific data, ignore */
         cycle_t cycle_last, cycle_interval;
@@ -66,6 +66,12 @@ struct clocksource {
         s64 error;
 };
 
+/*
+ * Clock source flags bits::
+ */
+#define CLOCK_SOURCE_IS_CONTINUOUS      0x01
+#define CLOCK_SOURCE_MUST_VERIFY        0x02
+
 /* simplify initialization of mask field */
 #define CLOCKSOURCE_MASK(bits) (cycle_t)(bits<64 ? ((1ULL<<bits)-1) : -1)