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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/magnetometer/bmc150_magn.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/magnetometer/bmc150_magn.c')
-rw-r--r--drivers/iio/magnetometer/bmc150_magn.c20
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/iio/magnetometer/bmc150_magn.c b/drivers/iio/magnetometer/bmc150_magn.c
index 1615b23d7b2a..ffcb75ea64fb 100644
--- a/drivers/iio/magnetometer/bmc150_magn.c
+++ b/drivers/iio/magnetometer/bmc150_magn.c
@@ -928,27 +928,24 @@ static int bmc150_magn_probe(struct i2c_client *client,
goto err_free_irq;
}
- ret = iio_device_register(indio_dev);
- if (ret < 0) {
- dev_err(&client->dev, "unable to register iio device\n");
- goto err_buffer_cleanup;
- }
-
ret = pm_runtime_set_active(&client->dev);
if (ret)
- goto err_iio_unregister;
+ goto err_buffer_cleanup;
pm_runtime_enable(&client->dev);
pm_runtime_set_autosuspend_delay(&client->dev,
BMC150_MAGN_AUTO_SUSPEND_DELAY_MS);
pm_runtime_use_autosuspend(&client->dev);
- dev_dbg(&indio_dev->dev, "Registered device %s\n", name);
+ ret = iio_device_register(indio_dev);
+ if (ret < 0) {
+ dev_err(&client->dev, "unable to register iio device\n");
+ goto err_buffer_cleanup;
+ }
+ dev_dbg(&indio_dev->dev, "Registered device %s\n", name);
return 0;
-err_iio_unregister:
- iio_device_unregister(indio_dev);
err_buffer_cleanup:
iio_triggered_buffer_cleanup(indio_dev);
err_free_irq:
@@ -967,11 +964,12 @@ static int bmc150_magn_remove(struct i2c_client *client)
struct iio_dev *indio_dev = i2c_get_clientdata(client);
struct bmc150_magn_data *data = iio_priv(indio_dev);
+ iio_device_unregister(indio_dev);
+
pm_runtime_disable(&client->dev);
pm_runtime_set_suspended(&client->dev);
pm_runtime_put_noidle(&client->dev);
- iio_device_unregister(indio_dev);
iio_triggered_buffer_cleanup(indio_dev);
if (client->irq > 0)