Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

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

diff --git a/include/linux/ktime.h b/include/linux/ktime.h
index 1bd6552..ed3396d 100644 (file)
--- a/include/linux/ktime.h
+++ b/include/linux/ktime.h
@@ -10,6 +10,12 @@
  *
  *  Started by: Thomas Gleixner and Ingo Molnar
  *
+ *  Credits:
+ *
+ *     Roman Zippel provided the ideas and primary code snippets of
+ *     the ktime_t union and further simplifications of the original
+ *     code.
+ *
  *  For licencing details see kernel-base/COPYING
  */
 #ifndef _LINUX_KTIME_H
@@ -58,12 +64,8 @@ typedef union {
 
 #if (BITS_PER_LONG == 64) || defined(CONFIG_KTIME_SCALAR)
 
-/* Define a ktime_t variable and initialize it to zero: */
-#define DEFINE_KTIME(kt)               ktime_t kt = { .tv64 = 0 }
-
 /**
  * ktime_set - Set a ktime_t variable from a seconds/nanoseconds value
- *
  * @secs:      seconds to set
  * @nsecs:     nanoseconds to set
  *
@@ -90,10 +92,16 @@ static inline ktime_t ktime_set(const long secs, const unsigned long nsecs)
                ({ (ktime_t){ .tv64 = (kt).tv64 + (nsval) }; })
 
 /* convert a timespec to ktime_t format: */
-#define timespec_to_ktime(ts)          ktime_set((ts).tv_sec, (ts).tv_nsec)
+static inline ktime_t timespec_to_ktime(struct timespec ts)
+{
+       return ktime_set(ts.tv_sec, ts.tv_nsec);
+}
 
 /* convert a timeval to ktime_t format: */
-#define timeval_to_ktime(tv)           ktime_set((tv).tv_sec, (tv).tv_usec * 1000)
+static inline ktime_t timeval_to_ktime(struct timeval tv)
+{
+       return ktime_set(tv.tv_sec, tv.tv_usec * NSEC_PER_USEC);
+}
 
 /* Map the ktime_t to timespec conversion to ns_to_timespec function */
 #define ktime_to_timespec(kt)          ns_to_timespec((kt).tv64)
@@ -101,9 +109,6 @@ static inline ktime_t ktime_set(const long secs, const unsigned long nsecs)
 /* Map the ktime_t to timeval conversion to ns_to_timeval function */
 #define ktime_to_timeval(kt)           ns_to_timeval((kt).tv64)
 
-/* Map the ktime_t to clock_t conversion to the inline in jiffies.h: */
-#define ktime_to_clock_t(kt)           nsec_to_clock_t((kt).tv64)
-
 /* Convert ktime_t to nanoseconds - NOP in the scalar storage format: */
 #define ktime_to_ns(kt)                        ((kt).tv64)
 
@@ -124,9 +129,6 @@ static inline ktime_t ktime_set(const long secs, const unsigned long nsecs)
  *   tv.sec < 0 and 0 >= tv.nsec < NSEC_PER_SEC
  */
 
-/* Define a ktime_t variable and initialize it to zero: */
-#define DEFINE_KTIME(kt)               ktime_t kt = { .tv64 = 0 }
-
 /* Set a ktime_t variable to a value in sec/nsec representation: */
 static inline ktime_t ktime_set(const long secs, const unsigned long nsecs)
 {
@@ -135,7 +137,6 @@ static inline ktime_t ktime_set(const long secs, const unsigned long nsecs)
 
 /**
  * ktime_sub - subtract two ktime_t variables
- *
  * @lhs:       minuend
  * @rhs:       subtrahend
  *
@@ -154,7 +155,6 @@ static inline ktime_t ktime_sub(const ktime_t lhs, const ktime_t rhs)
 
 /**
  * ktime_add - add two ktime_t variables
- *
  * @add1:      addend1
  * @add2:      addend2
  *
@@ -181,7 +181,6 @@ static inline ktime_t ktime_add(const ktime_t add1, const ktime_t add2)
 
 /**
  * ktime_add_ns - Add a scalar nanoseconds value to a ktime_t variable
- *
  * @kt:                addend
  * @nsec:      the scalar nsec value to add
  *
@@ -191,7 +190,6 @@ extern ktime_t ktime_add_ns(const ktime_t kt, u64 nsec);
 
 /**
  * timespec_to_ktime - convert a timespec to ktime_t format
- *
  * @ts:                the timespec variable to convert
  *
  * Returns a ktime_t variable with the converted timespec value
@@ -204,7 +202,6 @@ static inline ktime_t timespec_to_ktime(const struct timespec ts)
 
 /**
  * timeval_to_ktime - convert a timeval to ktime_t format
- *
  * @tv:                the timeval variable to convert
  *
  * Returns a ktime_t variable with the converted timeval value
@@ -217,7 +214,6 @@ static inline ktime_t timeval_to_ktime(const struct timeval tv)
 
 /**
  * ktime_to_timespec - convert a ktime_t variable to timespec format
- *
  * @kt:                the ktime_t variable to convert
  *
  * Returns the timespec representation of the ktime value
@@ -230,7 +226,6 @@ static inline struct timespec ktime_to_timespec(const ktime_t kt)
 
 /**
  * ktime_to_timeval - convert a ktime_t variable to timeval format
- *
  * @kt:                the ktime_t variable to convert
  *
  * Returns the timeval representation of the ktime value
@@ -242,17 +237,6 @@ static inline struct timeval ktime_to_timeval(const ktime_t kt)
                .tv_usec = (suseconds_t) (kt.tv.nsec / NSEC_PER_USEC) };
 }
 
-/**
- * ktime_to_clock_t - convert a ktime_t variable to clock_t format
- * @kt:                the ktime_t variable to convert
- *
- * Returns a clock_t variable with the converted value
- */
-static inline clock_t ktime_to_clock_t(const ktime_t kt)
-{
-       return nsec_to_clock_t( (u64) kt.tv.sec * NSEC_PER_SEC + kt.tv.nsec);
-}
-
 /**
  * ktime_to_ns - convert a ktime_t variable to scalar nanoseconds
  * @kt:                the ktime_t variable to convert