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| author | venkatesh.pallipadi@intel.com <venkatesh.pallipadi@intel.com> | 2008-01-31 17:35:06 -0800 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-02-07 02:20:15 -0500 |
| commit | 9a0b841586c3c6c846effdbe75885c2ebc0031b0 (patch) | |
| tree | d9522222094b6357c7933489b98c7249326e1cf8 /drivers/acpi/processor_idle.c | |
| parent | 9b12e18cdc1553de62d931e73443c806347cd974 (diff) | |
| download | lwn-9a0b841586c3c6c846effdbe75885c2ebc0031b0.tar.gz lwn-9a0b841586c3c6c846effdbe75885c2ebc0031b0.zip | |
cpuidle: Add a poll_idle method
Add a default poll idle state with 0 latency. Provides an option to users
to use poll_idle by using 0 as the latency requirement.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/processor_idle.c')
| -rw-r--r-- | drivers/acpi/processor_idle.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index fea71597b40a..32488e6f76ab 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -1628,7 +1628,7 @@ struct cpuidle_driver acpi_idle_driver = { */ static int acpi_processor_setup_cpuidle(struct acpi_processor *pr) { - int i, count = 0; + int i, count = CPUIDLE_DRIVER_STATE_START; struct acpi_processor_cx *cx; struct cpuidle_state *state; struct cpuidle_device *dev = &pr->power.dev; @@ -1687,6 +1687,8 @@ static int acpi_processor_setup_cpuidle(struct acpi_processor *pr) } count++; + if (count == CPUIDLE_STATE_MAX) + break; } dev->state_count = count; |