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authorvenkatesh.pallipadi@intel.com <venkatesh.pallipadi@intel.com>2008-02-01 04:35:06 +0300
committerLen Brown <len.brown@intel.com>2008-02-07 10:20:15 +0300
commit9a0b841586c3c6c846effdbe75885c2ebc0031b0 (patch)
treed9522222094b6357c7933489b98c7249326e1cf8 /drivers/acpi/processor_idle.c
parent9b12e18cdc1553de62d931e73443c806347cd974 (diff)
downloadlinux-9a0b841586c3c6c846effdbe75885c2ebc0031b0.tar.xz
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.c4
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;