diff options
| author | Bob Moore <robert.moore@intel.com> | 2012-12-31 00:05:46 +0000 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-01-10 12:36:20 +0100 |
| commit | c41679a4481d5bf9908d99644d47b2e8ff6f028f (patch) | |
| tree | 89a95a2f59b1406722644bf47976a071f9835e71 /drivers/acpi | |
| parent | c8d586f8ed0146d81186131df66cdbb19c41acda (diff) | |
| download | blackbird-op-linux-c41679a4481d5bf9908d99644d47b2e8ff6f028f.tar.gz blackbird-op-linux-c41679a4481d5bf9908d99644d47b2e8ff6f028f.zip | |
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 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/acpica/hwsleep.c | 2 | ||||
| -rw-r--r-- | drivers/acpi/acpica/hwtimer.c | 7 | ||||
| -rw-r--r-- | drivers/acpi/acpica/hwxfsleep.c | 2 |
3 files changed, 6 insertions, 5 deletions
diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c index 691a5fb10d4d..675a8f865063 100644 --- a/drivers/acpi/acpica/hwsleep.c +++ b/drivers/acpi/acpica/hwsleep.c @@ -177,7 +177,7 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state) * to still read the right value. Ideally, this block would go * away entirely. */ - acpi_os_stall(10000000); + acpi_os_stall(10 * ACPI_USEC_PER_SEC); status = acpi_hw_register_write(ACPI_REGISTER_PM1_CONTROL, sleep_enable_reg_info-> diff --git a/drivers/acpi/acpica/hwtimer.c b/drivers/acpi/acpica/hwtimer.c index bfdce22f3798..4e741d85e6b4 100644 --- a/drivers/acpi/acpica/hwtimer.c +++ b/drivers/acpi/acpica/hwtimer.c @@ -176,10 +176,11 @@ acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed) /* * Compute Duration (Requires a 64-bit multiply and divide): * - * time_elapsed = (delta_ticks * 1000000) / PM_TIMER_FREQUENCY; + * time_elapsed (microseconds) = + * (delta_ticks * ACPI_USEC_PER_SEC) / ACPI_PM_TIMER_FREQUENCY; */ - status = acpi_ut_short_divide(((u64) delta_ticks) * 1000000, - PM_TIMER_FREQUENCY, "ient, NULL); + status = acpi_ut_short_divide(((u64)delta_ticks) * ACPI_USEC_PER_SEC, + ACPI_PM_TIMER_FREQUENCY, "ient, NULL); *time_elapsed = (u32) quotient; return_ACPI_STATUS(status); diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c index 6fcee00cb34b..ca4df0f1a621 100644 --- a/drivers/acpi/acpica/hwxfsleep.c +++ b/drivers/acpi/acpica/hwxfsleep.c @@ -207,7 +207,7 @@ acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void) (u32)acpi_gbl_FADT.s4_bios_request, 8); do { - acpi_os_stall(1000); + acpi_os_stall(ACPI_USEC_PER_MSEC); status = acpi_read_bit_register(ACPI_BITREG_WAKE_STATUS, &in_value); if (ACPI_FAILURE(status)) { |
