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authorBob Moore <robert.moore@intel.com>2012-12-31 00:05:46 +0000
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-01-10 12:36:20 +0100
commitc41679a4481d5bf9908d99644d47b2e8ff6f028f (patch)
tree89a95a2f59b1406722644bf47976a071f9835e71 /include
parentc8d586f8ed0146d81186131df66cdbb19c41acda (diff)
downloadop-kernel-dev-c41679a4481d5bf9908d99644d47b2e8ff6f028f.zip
op-kernel-dev-c41679a4481d5bf9908d99644d47b2e8ff6f028f.tar.gz
ACPICA: Add time macros for various timer/time manipulation.
Constants for time manipulation, including constants for the 100 nanosecond timers. Chao Guan, Bob Moore, Lv Zheng. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include')
-rw-r--r--include/acpi/actypes.h17
1 files changed, 16 insertions, 1 deletions
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index 3de70ed..796a63e 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -341,7 +341,7 @@ typedef u32 acpi_physical_address;
/* PM Timer ticks per second (HZ) */
-#define PM_TIMER_FREQUENCY 3579545
+#define ACPI_PM_TIMER_FREQUENCY 3579545
/*******************************************************************************
*
@@ -373,6 +373,21 @@ typedef u32 acpi_name; /* 4-byte ACPI name */
typedef char *acpi_string; /* Null terminated ASCII string */
typedef void *acpi_handle; /* Actually a ptr to a NS Node */
+/* Time constants for timer calculations */
+
+#define ACPI_MSEC_PER_SEC 1000L
+
+#define ACPI_USEC_PER_MSEC 1000L
+#define ACPI_USEC_PER_SEC 1000000L
+
+#define ACPI_100NSEC_PER_USEC 10L
+#define ACPI_100NSEC_PER_MSEC 10000L
+#define ACPI_100NSEC_PER_SEC 10000000L
+
+#define ACPI_NSEC_PER_USEC 1000L
+#define ACPI_NSEC_PER_MSEC 1000000L
+#define ACPI_NSEC_PER_SEC 1000000000L
+
/* Owner IDs are used to track namespace nodes for selective deletion */
typedef u8 acpi_owner_id;
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