[PATCH] ARM: OMAP4: cpuidle: Fix the C-state reporting to cpuidle governor.

Santosh Shilimkar santosh.shilimkar at ti.com
Mon Feb 6 04:38:15 EST 2012


OMAP4 cpuidle driver is reporting the state requested by governor rather than
the actually attempted one.

This is obviously misleading sysfs and powertop cpuidle statistics.
Fix it so that stats are reported correctly.

Reported-by: Kevin Hilman <khilman at ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar at ti.com>
---
 arch/arm/mach-omap2/cpuidle44xx.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-omap2/cpuidle44xx.c b/arch/arm/mach-omap2/cpuidle44xx.c
index cfdbb86..f128489 100644
--- a/arch/arm/mach-omap2/cpuidle44xx.c
+++ b/arch/arm/mach-omap2/cpuidle44xx.c
@@ -85,6 +85,7 @@ static int omap4_enter_idle(struct cpuidle_device *dev,
 	cpu1_state = pwrdm_read_pwrst(cpu1_pd);
 	if (cpu1_state != PWRDM_POWER_OFF) {
 		new_state_idx = drv->safe_state_index;
+		index = drv->safe_state_index;
 		cx = cpuidle_get_statedata(&dev->states_usage[new_state_idx]);
 	}
 
-- 
1.7.4.1




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