iio: core: drop devm_iio_trigger_free() API call

It's unused so far, so it can be removed. Also makes sense to remove it
to discourage weird uses of this call during review.

Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/Documentation/driver-api/driver-model/devres.rst b/Documentation/driver-api/driver-model/devres.rst
index f638a03..6c401c7 100644 (file)
--- a/Documentation/driver-api/driver-model/devres.rst
+++ b/Documentation/driver-api/driver-model/devres.rst
@@ -289,7 +289,6 @@ IIO
   devm_iio_kfifo_free()
   devm_iio_triggered_buffer_setup()
   devm_iio_trigger_alloc()
-  devm_iio_trigger_free()
   devm_iio_trigger_register()
   devm_iio_channel_get()
   devm_iio_channel_release()

diff --git a/Documentation/driver-api/iio/triggers.rst b/Documentation/driver-api/iio/triggers.rst
index 160faa8..dfd7ba3 100644 (file)
--- a/Documentation/driver-api/iio/triggers.rst
+++ b/Documentation/driver-api/iio/triggers.rst
@@ -4,7 +4,6 @@ Triggers
 
 * struct :c:type:`iio_trigger` — industrial I/O trigger device
 * :c:func:`devm_iio_trigger_alloc` — Resource-managed iio_trigger_alloc
-* :c:func:`devm_iio_trigger_free` — Resource-managed iio_trigger_free
 * :c:func:`devm_iio_trigger_register` — Resource-managed iio_trigger_register
   iio_trigger_unregister
 * :c:func:`iio_trigger_validate_own_device` — Check if a trigger and IIO

diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c
index 611f608..53d1931 100644 (file)
--- a/drivers/iio/industrialio-trigger.c
+++ b/drivers/iio/industrialio-trigger.c
@@ -585,18 +585,6 @@ static void devm_iio_trigger_release(struct device *dev, void *res)
        iio_trigger_free(*(struct iio_trigger **)res);
 }
 
-static int devm_iio_trigger_match(struct device *dev, void *res, void *data)
-{
-       struct iio_trigger **r = res;
-
-       if (!r || !*r) {
-               WARN_ON(!r || !*r);
-               return 0;
-       }
-
-       return *r == data;
-}
-
 /**
  * devm_iio_trigger_alloc - Resource-managed iio_trigger_alloc()
  * @dev:               Device to allocate iio_trigger for
@@ -608,9 +596,6 @@ static int devm_iio_trigger_match(struct device *dev, void *res, void *data)
  * Managed iio_trigger_alloc.  iio_trigger allocated with this function is
  * automatically freed on driver detach.
  *
- * If an iio_trigger allocated with this function needs to be freed separately,
- * devm_iio_trigger_free() must be used.
- *
  * RETURNS:
  * Pointer to allocated iio_trigger on success, NULL on failure.
  */
@@ -640,23 +625,6 @@ struct iio_trigger *devm_iio_trigger_alloc(struct device *dev,
 }
 EXPORT_SYMBOL_GPL(devm_iio_trigger_alloc);
 
-/**
- * devm_iio_trigger_free - Resource-managed iio_trigger_free()
- * @dev:               Device this iio_dev belongs to
- * @iio_trig:          the iio_trigger associated with the device
- *
- * Free iio_trigger allocated with devm_iio_trigger_alloc().
- */
-void devm_iio_trigger_free(struct device *dev, struct iio_trigger *iio_trig)
-{
-       int rc;
-
-       rc = devres_release(dev, devm_iio_trigger_release,
-                           devm_iio_trigger_match, iio_trig);
-       WARN_ON(rc);
-}
-EXPORT_SYMBOL_GPL(devm_iio_trigger_free);
-
 static void devm_iio_trigger_unreg(struct device *dev, void *res)
 {
        iio_trigger_unregister(*(struct iio_trigger **)res);

diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index 4c1e320..d63884a 100644 (file)
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -691,8 +691,6 @@ void iio_device_free(struct iio_dev *indio_dev);
 struct iio_dev *devm_iio_device_alloc(struct device *dev, int sizeof_priv);
 struct iio_trigger *devm_iio_trigger_alloc(struct device *dev,
                                                const char *fmt, ...);
-void devm_iio_trigger_free(struct device *dev, struct iio_trigger *iio_trig);
-
 /**
  * iio_buffer_enabled() - helper function to test if the buffer is enabled
  * @indio_dev:         IIO device structure for device