From: Boris Ostrovsky <boris.ostrovsky@amd.com>
To: <x86@kernel.org>, <len.brown@intel.com>, <linux-acpi@vger.kernel.org>
Cc: <linux-kernel@vger.kernel.org>,
Boris Ostrovsky <boris.ostrovsky@amd.com>
Subject: [PATCH 2/2] cpuidle: power_usage should be declared signed integer
Date: Tue, 13 Mar 2012 19:55:10 +0100 [thread overview]
Message-ID: <1331664910-20095-3-git-send-email-boris.ostrovsky@amd.com> (raw)
In-Reply-To: <1331664910-20095-1-git-send-email-boris.ostrovsky@amd.com>
power_usage is always assigned a negative value and should be declared
a signed integer
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@amd.com>
---
| 2 +-
include/linux/cpuidle.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
--git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c
index ad09526..9ae658b 100644
--- 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 2662493..1ae4461 100644
--- a/include/linux/cpuidle.h
+++ b/include/linux/cpuidle.h
@@ -43,7 +43,7 @@ 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 */
int (*enter) (struct cpuidle_device *dev,
--
1.7.7
prev parent reply other threads:[~2012-03-13 18:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-13 18:55 [PATCH 0/2] Improve power consumption for off-lined cores Boris Ostrovsky
2012-03-13 18:55 ` [PATCH 1/2] x86: Allow off-lined CPU to enter deeper C states Boris Ostrovsky
2012-03-13 18:55 ` Boris Ostrovsky [this message]
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