This patch adds a pointer to the cpuidle_state array in the cpuidle_device
structure. When the cpuidle_device is initialized, the pointer is assigned
from the driver's cpuidle states array.
Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
Acked-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx>
Acked-by: Peter De Schrijver <pdeschrijver@xxxxxxxxxx>
Tested-by: Peter De Schrijver <pdeschrijver@xxxxxxxxxx>
---
drivers/cpuidle/cpuidle.c | 4 +++-
include/linux/cpuidle.h | 1 +
2 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index e28f6ea..ef0e936 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -317,8 +317,10 @@ int cpuidle_enable_device(struct cpuidle_device *dev)
return 0;
if (!drv || !cpuidle_curr_governor)
return -EIO;
- if (!dev->state_count)
+ if (!dev->state_count) {
dev->state_count = drv->state_count;
+ dev->states = drv->states;
+ }
if (dev->registered == 0) {
ret = __cpuidle_register_device(dev);
diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
index 279b1ea..5cf18b5 100644
--- a/include/linux/cpuidle.h
+++ b/include/linux/cpuidle.h
@@ -96,6 +96,7 @@ struct cpuidle_device {
int last_residency;
int state_count;
+ struct cpuidle_state *states;
struct cpuidle_state_usage states_usage[CPUIDLE_STATE_MAX];
struct cpuidle_state_kobj *kobjs[CPUIDLE_STATE_MAX];
--
1.7.5.4
--
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