iio:gyro: Register buffer also without specific trigger

This patch fix buffer registration that allows to use generic IIO trigger.

Signed-off-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/gyro/st_gyro_core.c b/drivers/iio/gyro/st_gyro_core.c
index 9f80817182cf2e8a8ae2d9f5689e2595da121ec0..d53d91adfb557b0e575a17030221c6e01b2b7d38 100644 (file)
--- a/drivers/iio/gyro/st_gyro_core.c
+++ b/drivers/iio/gyro/st_gyro_core.c
@@ -330,11 +330,11 @@ int st_gyro_common_probe(struct iio_dev *indio_dev,
        if (err < 0)
                return err;
 
-       if (irq > 0) {
-               err = st_gyro_allocate_ring(indio_dev);
-               if (err < 0)
-                       return err;
+       err = st_gyro_allocate_ring(indio_dev);
+       if (err < 0)
+               return err;
 
+       if (irq > 0) {
                err = st_sensors_allocate_trigger(indio_dev,
                                                  ST_GYRO_TRIGGER_OPS);
                if (err < 0)
@@ -351,8 +351,7 @@ st_gyro_device_register_error:
        if (irq > 0)
                st_sensors_deallocate_trigger(indio_dev);
 st_gyro_probe_trigger_error:
-       if (irq > 0)
-               st_gyro_deallocate_ring(indio_dev);
+       st_gyro_deallocate_ring(indio_dev);
 
        return err;
 }
@@ -363,10 +362,10 @@ void st_gyro_common_remove(struct iio_dev *indio_dev)
        struct st_sensor_data *gdata = iio_priv(indio_dev);
 
        iio_device_unregister(indio_dev);
-       if (gdata->get_irq_data_ready(indio_dev) > 0) {
+       if (gdata->get_irq_data_ready(indio_dev) > 0)
                st_sensors_deallocate_trigger(indio_dev);
-               st_gyro_deallocate_ring(indio_dev);
-       }
+
+       st_gyro_deallocate_ring(indio_dev);
 }
 EXPORT_SYMBOL(st_gyro_common_remove);