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ACPICA: Cleanup PM_TIMER_FREQUENCY definition.
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This is a cosmetic patch only. Comparison of the resulting binary showed
only line number differences.

This patch does not affect the generation of the Linux binary.
This patch decreases 13 lines of 20121114 divergence.diff.

There is updates in ACPICA for PM_TIMER_FREQUENCY macro, this patch cleans
up the usage of this macro in Linux. This patch can also reduce the source
code diff between Linux and ACPICA.

Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Lv Zheng authored and Rafael J. Wysocki committed Jan 10, 2013
1 parent 6e1888f commit 4f84291
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Showing 2 changed files with 3 additions and 6 deletions.
5 changes: 3 additions & 2 deletions drivers/acpi/processor_idle.c
Original file line number Diff line number Diff line change
Expand Up @@ -64,10 +64,11 @@
#define ACPI_PROCESSOR_CLASS "processor"
#define _COMPONENT ACPI_PROCESSOR_COMPONENT
ACPI_MODULE_NAME("processor_idle");
#define PM_TIMER_TICK_NS (1000000000ULL/PM_TIMER_FREQUENCY)
#define PM_TIMER_TICK_NS (1000000000ULL/ACPI_PM_TIMER_FREQUENCY)
#define C2_OVERHEAD 1 /* 1us */
#define C3_OVERHEAD 1 /* 1us */
#define PM_TIMER_TICKS_TO_US(p) (((p) * 1000)/(PM_TIMER_FREQUENCY/1000))
#define PM_TIMER_TICKS_TO_US(p) \
(((p) * 1000)/(ACPI_PM_TIMER_FREQUENCY/1000))

static unsigned int max_cstate __read_mostly = ACPI_PROCESSOR_MAX_POWER;
module_param(max_cstate, uint, 0000);
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4 changes: 0 additions & 4 deletions include/acpi/actypes.h
Original file line number Diff line number Diff line change
Expand Up @@ -405,10 +405,6 @@ typedef u8 acpi_owner_id;
#define ACPI_MAX16_DECIMAL_DIGITS 5
#define ACPI_MAX8_DECIMAL_DIGITS 3

/* PM Timer ticks per second (HZ) */

#define PM_TIMER_FREQUENCY 3579545

/*
* Constants with special meanings
*/
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