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authorDaniel Lezcano <daniel.lezcano@linaro.org>2014-11-12 16:03:50 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-11-12 21:17:27 +0100
commitb82b6cca488074da3852e8a54fde1d9f74bf1557 (patch)
tree20db4b6c0d6a0180610fa392f32db7aeea515321 /drivers/cpuidle/cpuidle-pseries.c
parent206c5f60a3d902bc4b56dab2de3e88de5eb06108 (diff)
cpuidle: Invert CPUIDLE_FLAG_TIME_VALID logic
The only place where the time is invalid is when the ACPI_CSTATE_FFH entry method is not set. Otherwise for all the drivers, the time can be correctly measured. Instead of duplicating the CPUIDLE_FLAG_TIME_VALID flag in all the drivers for all the states, just invert the logic by replacing it by the flag CPUIDLE_FLAG_TIME_INVALID, hence we can set this flag only for the acpi idle driver, remove the former flag from all the drivers and invert the logic with this flag in the different governor. Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpuidle/cpuidle-pseries.c')
-rw-r--r--drivers/cpuidle/cpuidle-pseries.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/cpuidle/cpuidle-pseries.c b/drivers/cpuidle/cpuidle-pseries.c
index 6f7b01956885..bb9e2b6f3ecc 100644
--- a/drivers/cpuidle/cpuidle-pseries.c
+++ b/drivers/cpuidle/cpuidle-pseries.c
@@ -142,14 +142,12 @@ static struct cpuidle_state dedicated_states[] = {
{ /* Snooze */
.name = "snooze",
.desc = "snooze",
- .flags = CPUIDLE_FLAG_TIME_VALID,
.exit_latency = 0,
.target_residency = 0,
.enter = &snooze_loop },
{ /* CEDE */
.name = "CEDE",
.desc = "CEDE",
- .flags = CPUIDLE_FLAG_TIME_VALID,
.exit_latency = 10,
.target_residency = 100,
.enter = &dedicated_cede_loop },
@@ -162,7 +160,6 @@ static struct cpuidle_state shared_states[] = {
{ /* Shared Cede */
.name = "Shared Cede",
.desc = "Shared Cede",
- .flags = CPUIDLE_FLAG_TIME_VALID,
.exit_latency = 0,
.target_residency = 0,
.enter = &shared_cede_loop },