mfd: Use standard device wakeup for handling max8998 wakeup device

Use device_init_wakeup & device_may_wakeup to init wakeup

Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/mfd/max8998.c b/drivers/mfd/max8998.c
index de4096aee24..6ef56d28c05 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"