linux-kernel - [PATCH 2/5] hwmon: use DECLARE_COMPLETION

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Message-Id: <1260974161-6934-3-git-send-email-yong.zhang0@gmail.com>
Date:	Wed, 16 Dec 2009 22:35:58 +0800
From:	Yong Zhang <yong.zhang0@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Stelian Pop <stelian@...ies.net>,
	Michael Hanselmann <linux-kernel@...smi.ch>
Subject: [PATCH 2/5] hwmon: use DECLARE_COMPLETION_ONSTACK for non-constant completion

The _ONSTACK variant should be used for on-stack completion,
otherwise it will break lockdep.

Signed-off-by: Yong Zhang <yong.zhang0@...il.com>
Cc: Stelian Pop <stelian@...ies.net>
Cc: Michael Hanselmann <linux-kernel@...smi.ch>
---
 drivers/hwmon/ams/ams-pmu.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/hwmon/ams/ams-pmu.c b/drivers/hwmon/ams/ams-pmu.c
index fb18b3d..2016629 100644
--- a/drivers/hwmon/ams/ams-pmu.c
+++ b/drivers/hwmon/ams/ams-pmu.c
@@ -52,7 +52,7 @@ static void ams_pmu_req_complete(struct adb_request *req)
 static void ams_pmu_set_register(u8 reg, u8 value)
 {
 	static struct adb_request req;
-	DECLARE_COMPLETION(req_complete);
+	DECLARE_COMPLETION_ONSTACK(req_complete);
 
 	req.arg = &req_complete;
 	if (pmu_request(&req, ams_pmu_req_complete, 4, ams_pmu_cmd, 0x00, reg, value))
@@ -65,7 +65,7 @@ static void ams_pmu_set_register(u8 reg, u8 value)
 static u8 ams_pmu_get_register(u8 reg)
 {
 	static struct adb_request req;
-	DECLARE_COMPLETION(req_complete);
+	DECLARE_COMPLETION_ONSTACK(req_complete);
 
 	req.arg = &req_complete;
 	if (pmu_request(&req, ams_pmu_req_complete, 3, ams_pmu_cmd, 0x01, reg))
-- 
1.6.3.3

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