[Meego-kernel] [PATCH 3/7] apds9802ps: fix runtime PM errors

Hong Liu hong.liu at intel.com
Wed Nov 10 23:07:56 PST 2010


Based on comments from Alan Stern, correct the setting of runtime PM
state in probe() and remove().

Signed-off-by: Hong Liu <hong.liu at intel.com>
---
 drivers/staging/mfld-sensors/apds9802ps.c |   19 ++++++++++++-------
 1 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/mfld-sensors/apds9802ps.c b/drivers/staging/mfld-sensors/apds9802ps.c
index 39c55a6..2bd3fb3 100644
--- a/drivers/staging/mfld-sensors/apds9802ps.c
+++ b/drivers/staging/mfld-sensors/apds9802ps.c
@@ -158,11 +158,9 @@ static int apds9802ps_probe(struct i2c_client *client,
 	dev_info(&client->dev, "proximity sensor chip found\n");
 
 	ps_set_default_config(client);
-	pm_runtime_enable(&client->dev);
 
-	/* toggle the power state */
-	pm_runtime_get(&client->dev);
-	pm_runtime_put(&client->dev);
+	pm_runtime_set_active(&client->dev);
+	pm_runtime_enable(&client->dev);
 
 	mutex_init(&data->lock);
 	return res;
@@ -173,12 +171,19 @@ ps_error1:
 	return res;
 }
 
-static int apds9802ps_remove(struct i2c_client *client)
+static int __devexit apds9802ps_remove(struct i2c_client *client)
 {
 	struct ps_data *data = i2c_get_clientdata(client);
 
+	pm_runtime_get_sync(&client->dev);
+
 	ps_set_power_state(client, false);
 	sysfs_remove_group(&client->dev.kobj, &m_ps_gr);
+
+	pm_runtime_disable(&client->dev);
+	pm_runtime_set_suspended(&client->dev);
+	pm_runtime_put_noidle(&client->dev);
+
 	kfree(data);
 	return 0;
 }
@@ -191,7 +196,7 @@ static int apds9802ps_suspend(struct i2c_client *client, pm_message_t mesg)
 
 static int apds9802ps_resume(struct i2c_client *client)
 {
-	ps_set_power_state(client, true);
+	ps_set_default_config(client);
 	return 0;
 }
 
@@ -228,7 +233,7 @@ static struct i2c_driver apds9802ps_driver = {
 		.pm = &apds9802ps_pm_ops,
 	},
 	.probe = apds9802ps_probe,
-	.remove = apds9802ps_remove,
+	.remove = __devexit_p(apds9802ps_remove),
 	.suspend = apds9802ps_suspend,
 	.resume = apds9802ps_resume,
 	.id_table = apds9802ps_id,
-- 
1.7.2.3



More information about the MeeGo-kernel mailing list