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| author | Daniel Lezcano <daniel.lezcano@linaro.org> | 2014-11-12 18:03:50 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-11-12 23:17:27 +0300 |
| commit | b82b6cca488074da3852e8a54fde1d9f74bf1557 (patch) | |
| tree | 20db4b6c0d6a0180610fa392f32db7aeea515321 /drivers/cpuidle/cpuidle-mvebu-v7.c | |
| parent | 206c5f60a3d902bc4b56dab2de3e88de5eb06108 (diff) | |
| download | linux-b82b6cca488074da3852e8a54fde1d9f74bf1557.tar.xz | |
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-mvebu-v7.c')
| -rw-r--r-- | drivers/cpuidle/cpuidle-mvebu-v7.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/cpuidle/cpuidle-mvebu-v7.c b/drivers/cpuidle/cpuidle-mvebu-v7.c index 45371bb16214..dd4c176df2a3 100644 --- a/drivers/cpuidle/cpuidle-mvebu-v7.c +++ b/drivers/cpuidle/cpuidle-mvebu-v7.c @@ -53,7 +53,6 @@ static struct cpuidle_driver armadaxp_idle_driver = { .exit_latency = 10, .power_usage = 50, .target_residency = 100, - .flags = CPUIDLE_FLAG_TIME_VALID, .name = "MV CPU IDLE", .desc = "CPU power down", }, @@ -62,8 +61,7 @@ static struct cpuidle_driver armadaxp_idle_driver = { .exit_latency = 100, .power_usage = 5, .target_residency = 1000, - .flags = CPUIDLE_FLAG_TIME_VALID | - MVEBU_V7_FLAG_DEEP_IDLE, + .flags = MVEBU_V7_FLAG_DEEP_IDLE, .name = "MV CPU DEEP IDLE", .desc = "CPU and L2 Fabric power down", }, @@ -78,8 +76,7 @@ static struct cpuidle_driver armada370_idle_driver = { .exit_latency = 100, .power_usage = 5, .target_residency = 1000, - .flags = (CPUIDLE_FLAG_TIME_VALID | - MVEBU_V7_FLAG_DEEP_IDLE), + .flags = MVEBU_V7_FLAG_DEEP_IDLE, .name = "Deep Idle", .desc = "CPU and L2 Fabric power down", }, @@ -94,7 +91,6 @@ static struct cpuidle_driver armada38x_idle_driver = { .exit_latency = 10, .power_usage = 5, .target_residency = 100, - .flags = CPUIDLE_FLAG_TIME_VALID, .name = "Idle", .desc = "CPU and SCU power down", }, |