cpuidle: power_usage should be declared signed integer

power_usage is always assigned a negative value and should be declared
a signed integer

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@amd.com>
Signed-off-by: Len Brown <len.brown@intel.com>

diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c
index 5c17ca1..0633575 100644 (file)
--- a/drivers/cpuidle/governors/menu.c
+++ b/drivers/cpuidle/governors/menu.c
@@ -236,7 +236,7 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev)
 {
        struct menu_device *data = &__get_cpu_var(menu_devices);
        int latency_req = pm_qos_request(PM_QOS_CPU_DMA_LATENCY);
-       unsigned int power_usage = -1;
+       int power_usage = -1;
        int i;
        int multiplier;
        struct timespec t;

diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
index d557bcd..6c26a3d 100644 (file)
--- a/include/linux/cpuidle.h
+++ b/include/linux/cpuidle.h
@@ -44,7 +44,7 @@ struct cpuidle_state {
 
        unsigned int    flags;
        unsigned int    exit_latency; /* in US */
-       unsigned int    power_usage; /* in mW */
+       int             power_usage; /* in mW */
        unsigned int    target_residency; /* in US */
        unsigned int    disable;