1 files changed, 0 insertions, 126 deletions
diff --git a/drivers/iio/buffer_cb.c b/drivers/iio/buffer_cb.c
deleted file mode 100644
index 1648e6e5a848..000000000000
--- a/drivers/iio/buffer_cb.c
+++ /dev/null
@@ -1,126 +0,0 @@
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/err.h>
-#include <linux/export.h>
-#include <linux/iio/buffer.h>
-#include <linux/iio/consumer.h>
-
-struct iio_cb_buffer {
-	struct iio_buffer buffer;
-	int (*cb)(const void *data, void *private);
-	void *private;
-	struct iio_channel *channels;
-};
-
-static struct iio_cb_buffer *buffer_to_cb_buffer(struct iio_buffer *buffer)
-{
-	return container_of(buffer, struct iio_cb_buffer, buffer);
-}
-
-static int iio_buffer_cb_store_to(struct iio_buffer *buffer, const void *data)
-{
-	struct iio_cb_buffer *cb_buff = buffer_to_cb_buffer(buffer);
-	return cb_buff->cb(data, cb_buff->private);
-}
-
-static void iio_buffer_cb_release(struct iio_buffer *buffer)
-{
-	struct iio_cb_buffer *cb_buff = buffer_to_cb_buffer(buffer);
-	kfree(cb_buff->buffer.scan_mask);
-	kfree(cb_buff);
-}
-
-static const struct iio_buffer_access_funcs iio_cb_access = {
-	.store_to = &iio_buffer_cb_store_to,
-	.release = &iio_buffer_cb_release,
-
-	.modes = INDIO_BUFFER_SOFTWARE | INDIO_BUFFER_TRIGGERED,
-};
-
-struct iio_cb_buffer *iio_channel_get_all_cb(struct device *dev,
-					     int (*cb)(const void *data,
-						       void *private),
-					     void *private)
-{
-	int ret;
-	struct iio_cb_buffer *cb_buff;
-	struct iio_dev *indio_dev;
-	struct iio_channel *chan;
-
-	cb_buff = kzalloc(sizeof(*cb_buff), GFP_KERNEL);
-	if (cb_buff == NULL)
-		return ERR_PTR(-ENOMEM);
-
-	iio_buffer_init(&cb_buff->buffer);
-
-	cb_buff->private = private;
-	cb_buff->cb = cb;
-	cb_buff->buffer.access = &iio_cb_access;
-	INIT_LIST_HEAD(&cb_buff->buffer.demux_list);
-
-	cb_buff->channels = iio_channel_get_all(dev);
-	if (IS_ERR(cb_buff->channels)) {
-		ret = PTR_ERR(cb_buff->channels);
-		goto error_free_cb_buff;
-	}
-
-	indio_dev = cb_buff->channels[0].indio_dev;
-	cb_buff->buffer.scan_mask
-		= kcalloc(BITS_TO_LONGS(indio_dev->masklength), sizeof(long),
-			  GFP_KERNEL);
-	if (cb_buff->buffer.scan_mask == NULL) {
-		ret = -ENOMEM;
-		goto error_release_channels;
-	}
-	chan = &cb_buff->channels[0];
-	while (chan->indio_dev) {
-		if (chan->indio_dev != indio_dev) {
-			ret = -EINVAL;
-			goto error_free_scan_mask;
-		}
-		set_bit(chan->channel->scan_index,
-			cb_buff->buffer.scan_mask);
-		chan++;
-	}
-
-	return cb_buff;
-
-error_free_scan_mask:
-	kfree(cb_buff->buffer.scan_mask);
-error_release_channels:
-	iio_channel_release_all(cb_buff->channels);
-error_free_cb_buff:
-	kfree(cb_buff);
-	return ERR_PTR(ret);
-}
-EXPORT_SYMBOL_GPL(iio_channel_get_all_cb);
-
-int iio_channel_start_all_cb(struct iio_cb_buffer *cb_buff)
-{
-	return iio_update_buffers(cb_buff->channels[0].indio_dev,
-				  &cb_buff->buffer,
-				  NULL);
-}
-EXPORT_SYMBOL_GPL(iio_channel_start_all_cb);
-
-void iio_channel_stop_all_cb(struct iio_cb_buffer *cb_buff)
-{
-	iio_update_buffers(cb_buff->channels[0].indio_dev,
-			   NULL,
-			   &cb_buff->buffer);
-}
-EXPORT_SYMBOL_GPL(iio_channel_stop_all_cb);
-
-void iio_channel_release_all_cb(struct iio_cb_buffer *cb_buff)
-{
-	iio_channel_release_all(cb_buff->channels);
-	iio_buffer_put(&cb_buff->buffer);
-}
-EXPORT_SYMBOL_GPL(iio_channel_release_all_cb);
-
-struct iio_channel
-*iio_channel_cb_get_channels(const struct iio_cb_buffer *cb_buffer)
-{
-	return cb_buffer->channels;
-}
-EXPORT_SYMBOL_GPL(iio_channel_cb_get_channels);