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authorAdriana Reus2015-11-05 15:25:29 +0100
committerJonathan Cameron2015-11-08 16:36:53 +0100
commit7d0ead5c3f00a0652fa4436f0d2dd05e9f2de140 (patch)
tree484cd7c138d031fa88e176bf523aaad36c6cb518 /drivers/iio/imu/kmx61.c
parentiio: light: pa12203001: Poweroff chip if register fails (diff)
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iio: Reconcile operation order between iio_register/unregister and pm functions
At probe, runtime pm should be setup before registering the sysfs interface so that all the power attributes are accurate and functional when registering. Also, when removing the device we should unregister first to make sure that the interfaces that may result in wakeups are no longer available. Fix this behaviour for the following drivers: bmc150, bmg160, kmx61, kxcj-1013, mma9551, mma9553, rpr0521. Signed-off-by: Adriana Reus <adriana.reus@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/imu/kmx61.c')
-rw-r--r--drivers/iio/imu/kmx61.c24
1 files changed, 11 insertions, 13 deletions
diff --git a/drivers/iio/imu/kmx61.c b/drivers/iio/imu/kmx61.c
index dbf5e9936635..e5306b4e020e 100644
--- a/drivers/iio/imu/kmx61.c
+++ b/drivers/iio/imu/kmx61.c
@@ -1390,6 +1390,14 @@ static int kmx61_probe(struct i2c_client *client,
}
}
+ ret = pm_runtime_set_active(&client->dev);
+ if (ret < 0)
+ goto err_buffer_cleanup_mag;
+
+ pm_runtime_enable(&client->dev);
+ pm_runtime_set_autosuspend_delay(&client->dev, KMX61_SLEEP_DELAY_MS);
+ pm_runtime_use_autosuspend(&client->dev);
+
ret = iio_device_register(data->acc_indio_dev);
if (ret < 0) {
dev_err(&client->dev, "Failed to register acc iio device\n");
@@ -1402,18 +1410,8 @@ static int kmx61_probe(struct i2c_client *client,
goto err_iio_unregister_acc;
}
- ret = pm_runtime_set_active(&client->dev);
- if (ret < 0)
- goto err_iio_unregister_mag;
-
- pm_runtime_enable(&client->dev);
- pm_runtime_set_autosuspend_delay(&client->dev, KMX61_SLEEP_DELAY_MS);
- pm_runtime_use_autosuspend(&client->dev);
-
return 0;
-err_iio_unregister_mag:
- iio_device_unregister(data->mag_indio_dev);
err_iio_unregister_acc:
iio_device_unregister(data->acc_indio_dev);
err_buffer_cleanup_mag:
@@ -1437,13 +1435,13 @@ static int kmx61_remove(struct i2c_client *client)
{
struct kmx61_data *data = i2c_get_clientdata(client);
+ iio_device_unregister(data->acc_indio_dev);
+ iio_device_unregister(data->mag_indio_dev);
+
pm_runtime_disable(&client->dev);
pm_runtime_set_suspended(&client->dev);
pm_runtime_put_noidle(&client->dev);
- iio_device_unregister(data->acc_indio_dev);
- iio_device_unregister(data->mag_indio_dev);
-
if (client->irq > 0) {
iio_triggered_buffer_cleanup(data->acc_indio_dev);
iio_triggered_buffer_cleanup(data->mag_indio_dev);