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Commit c7df077b authored by Laura Abbott's avatar Laura Abbott Committed by Greg Kroah-Hartman
Browse files

staging: android: ion: Get rid of ion_sg_table 



The ion_sg_table interface is mostly a reimplementation of
what dma_buf is doing. Clients should be using dma_buf APIs instead.

Signed-off-by: default avatarLaura Abbott <labbott@redhat.com>
Reviewed-by: default avatarBenjamin Gaignard <benjamin.gaignard@linaro.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 803394d0

drivers/staging/android/ion/ion.c

+0 −20
Original line number Diff line number Diff line
@@ -917,26 +917,6 @@ void ion_client_destroy(struct ion_client *client) 
}

EXPORT_SYMBOL(ion_client_destroy);



struct sg_table *ion_sg_table(struct ion_client *client,

			      struct ion_handle *handle)

{

	struct ion_buffer *buffer;

	struct sg_table *table;



	mutex_lock(&client->lock);

	if (!ion_handle_validate(client, handle)) {

		pr_err("%s: invalid handle passed to map_dma.\n",

		       __func__);

		mutex_unlock(&client->lock);

		return ERR_PTR(-EINVAL);

	}

	buffer = handle->buffer;

	table = buffer->sg_table;

	mutex_unlock(&client->lock);

	return table;

}

EXPORT_SYMBOL(ion_sg_table);



static void ion_buffer_sync_for_device(struct ion_buffer *buffer,

				       struct device *dev,

				       enum dma_data_direction direction);

drivers/staging/android/ion/ion.h

+0 −11
Original line number Diff line number Diff line
@@ -148,17 +148,6 @@ void ion_free(struct ion_client *client, struct ion_handle *handle); 
int ion_phys(struct ion_client *client, struct ion_handle *handle,

	     ion_phys_addr_t *addr, size_t *len);



/**

 * ion_map_dma - return an sg_table describing a handle

 * @client:	the client

 * @handle:	the handle

 *

 * This function returns the sg_table describing

 * a particular ion handle.

 */

struct sg_table *ion_sg_table(struct ion_client *client,

			      struct ion_handle *handle);



/**

 * ion_map_kernel - create mapping for the given handle

 * @client:	the client