phy: atheros: Clarify the intention of ar8021_config

[oweals/u-boot.git] / include / time.h

diff --git a/include/time.h b/include/time.h
index a1bdefc164bfb1526fc1ce09c051f25864ba922f..e99f9c8012701e7f0b62a37c0c71c12d2f4b8f87 100644 (file)
--- a/include/time.h
+++ b/include/time.h
@@ -6,6 +6,8 @@
 #include <linux/typecheck.h>
 #include <linux/types.h>
 
+ulong get_tbclk(void);
+
 unsigned long get_timer(unsigned long base);
 
 /*
@@ -86,4 +88,31 @@ ulong usec2ticks(unsigned long usec);
  */
 ulong ticks2usec(unsigned long ticks);
 
+/**
+ * wait_ticks() - waits a given number of ticks
+ *
+ * This is an internal function typically used to implement udelay() and
+ * similar. Normally you should use udelay() or mdelay() instead.
+ *
+ * @ticks: Number of ticks to wait
+ */
+void wait_ticks(unsigned long ticks);
+
+/**
+ * timer_get_us() - Get monotonic microsecond timer
+ *
+ * @return value of monotonic microsecond timer
+ */
+unsigned long timer_get_us(void);
+
+/**
+ * get_ticks() - Get the current tick value
+ *
+ * This is an internal value used by the timer on the system. Ticks increase
+ * monotonically at the rate given by get_tbclk().
+ *
+ * @return current tick value
+ */
+uint64_t get_ticks(void);
+
 #endif /* _TIME_H */