[patch 20/41] cpuidle: update the last_state acpi cpuidlereflecting actual state entered

[Greg KH]

2.6.27-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Venkatesh Pallipadi <venkatesh.pallipadi@xxxxxxxxx>

commit addbad46ed0906cd584784423b9d0babc7476446

reflect the actual state entered in dev->last_state, when actaul state entered
is different from intended one.

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>
Cc: Thomas Renninger <trenn@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 drivers/acpi/processor_idle.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -1587,6 +1587,7 @@ static int acpi_idle_enter_bm(struct cpu
 
 	if (acpi_idle_bm_check()) {
 		if (dev->safe_state) {
+			dev->last_state = dev->safe_state;
 			return dev->safe_state->enter(dev, dev->safe_state);
 		} else {
 			local_irq_disable();

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