From c41679a4481d5bf9908d99644d47b2e8ff6f028f Mon Sep 17 00:00:00 2001 From: Bob Moore Date: Mon, 31 Dec 2012 00:05:46 +0000 Subject: 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 Signed-off-by: Lv Zheng Signed-off-by: Rafael J. Wysocki --- drivers/acpi/acpica/hwsleep.c | 2 +- drivers/acpi/acpica/hwtimer.c | 7 ++++--- drivers/acpi/acpica/hwxfsleep.c | 2 +- 3 files changed, 6 insertions(+), 5 deletions(-) (limited to 'drivers') 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)) { -- cgit v1.2.2