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cpuidle: Add a poll_idle method

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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 <[email protected]>
Signed-off-by: Len Brown <[email protected]>
This commit is contained in:
[email protected] 2008-01-31 17:35:06 -08:00 • committed by Len Brown
commit 9a0b841586
4 changed files with 57 additions and 4 deletions
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4
drivers/acpi/processor_idle.c
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@ -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;