[TCP]: Allow minimum RTO to be configurable via routing metrics.

[linux-2.6-omap-h63xx.git] / include / linux / clocksource.h

diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index 2665ca04cf8f5e919d2f72bfdde6d4390986f062..16ea3374dddf7a543501fca71718c5d72b885e07 100644 (file)
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -49,6 +49,7 @@ struct clocksource;
  * @shift:             cycle to nanosecond divisor (power of two)
  * @flags:             flags describing special properties
  * @vread:             vsyscall based read
+ * @resume:            resume function for the clocksource, if necessary
  * @cycle_interval:    Used internally by timekeeping core, please ignore.
  * @xtime_interval:    Used internally by timekeeping core, please ignore.
  */
@@ -65,6 +66,13 @@ struct clocksource {
        u32 shift;
        unsigned long flags;
        cycle_t (*vread)(void);
+       void (*resume)(void);
+#ifdef CONFIG_IA64
+       void *fsys_mmio;        /* used by fsyscall asm code */
+#define CLKSRC_FSYS_MMIO_SET(mmio, addr)      ((mmio) = (addr))
+#else
+#define CLKSRC_FSYS_MMIO_SET(mmio, addr)      do { } while (0)
+#endif
 
        /* timekeeping specific data, ignore */
        cycle_t cycle_interval;
@@ -209,6 +217,7 @@ static inline void clocksource_calculate_interval(struct clocksource *c,
 extern int clocksource_register(struct clocksource*);
 extern struct clocksource* clocksource_get_next(void);
 extern void clocksource_change_rating(struct clocksource *cs, int rating);
+extern void clocksource_resume(void);
 
 #ifdef CONFIG_GENERIC_TIME_VSYSCALL
 extern void update_vsyscall(struct timespec *ts, struct clocksource *c);