linux-kernel - [PATCH] mfd: max8998: Use standard device wakeup for handling wakeup device

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Date:	Tue, 29 Nov 2011 17:17:51 +0900
From:	jhbird.choi@...sung.com
To:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:	Samuel Ortiz <sameo@...ux.intel.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	jhbird.choi@...il.com, Jonghwan Choi <jhbird.choi@...sung.com>
Subject: [PATCH] mfd: max8998: Use standard device wakeup for handling wakeup device

From: Jonghwan Choi <jhbird.choi@...sung.com>

Use device_init_wakeup & device_may_wakeup to init wakeup

Signed-off-by: Jonghwan Choi <jhbird.choi@...sung.com>
---
 drivers/mfd/max8998.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/mfd/max8998.c b/drivers/mfd/max8998.c
index de4096a..6ef56d2 100644
--- a/drivers/mfd/max8998.c
+++ b/drivers/mfd/max8998.c
@@ -176,6 +176,8 @@ static int max8998_i2c_probe(struct i2c_client *i2c,
 	if (ret < 0)
 		goto err;
 
+	device_init_wakeup(max8998->dev, max8998->wakeup);
+
 	return ret;
 
 err:
@@ -210,7 +212,7 @@ static int max8998_suspend(struct device *dev)
 	struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
 	struct max8998_dev *max8998 = i2c_get_clientdata(i2c);
 
-	if (max8998->wakeup)
+	if (device_may_wakeup(dev))
 		irq_set_irq_wake(max8998->irq, 1);
 	return 0;
 }
@@ -220,7 +222,7 @@ static int max8998_resume(struct device *dev)
 	struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
 	struct max8998_dev *max8998 = i2c_get_clientdata(i2c);
 
-	if (max8998->wakeup)
+	if (device_may_wakeup(dev))
 		irq_set_irq_wake(max8998->irq, 0);
 	/*
 	 * In LP3974, if IRQ registers are not "read & clear"
-- 
1.7.1

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