Commit ee4c8aa9 authored by Olav Haugan's avatar Olav Haugan Committed by Greg Kroah-Hartman
Browse files

gpu: ion: Add EXPORT_SYMBOL to functions 



Several functions in the ion interface is missing
EXPORT_SYMBOL. This is needed to allow clients to
use these functions from kernel modules.

Add EXPORT_SYMBOL to functions that are supposed
to be exposed.

Signed-off-by: default avatarOlav Haugan <ohaugan@codeaurora.org>
[jstultz: modified patch to apply to staging directory]
Signed-off-by: default avatarJohn Stultz <john.stultz@linaro.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a9bb075d

drivers/staging/android/ion/ion.c

+9 −0
Original line number Diff line number Diff line
@@ -396,6 +396,7 @@ struct ion_handle *ion_alloc(struct ion_client *client, size_t len, 


	return handle;

}

EXPORT_SYMBOL(ion_alloc);



void ion_free(struct ion_client *client, struct ion_handle *handle)

{
@@ -413,6 +414,7 @@ void ion_free(struct ion_client *client, struct ion_handle *handle) 
	}

	ion_handle_put(handle);

}

EXPORT_SYMBOL(ion_free);



int ion_phys(struct ion_client *client, struct ion_handle *handle,

	     ion_phys_addr_t *addr, size_t *len)
@@ -438,6 +440,7 @@ int ion_phys(struct ion_client *client, struct ion_handle *handle, 
	ret = buffer->heap->ops->phys(buffer->heap, buffer, addr, len);

	return ret;

}

EXPORT_SYMBOL(ion_phys);



static void *ion_buffer_kmap_get(struct ion_buffer *buffer)

{
@@ -517,6 +520,7 @@ void *ion_map_kernel(struct ion_client *client, struct ion_handle *handle) 
	mutex_unlock(&client->lock);

	return vaddr;

}

EXPORT_SYMBOL(ion_map_kernel);



void ion_unmap_kernel(struct ion_client *client, struct ion_handle *handle)

{
@@ -529,6 +533,7 @@ void ion_unmap_kernel(struct ion_client *client, struct ion_handle *handle) 
	mutex_unlock(&buffer->lock);

	mutex_unlock(&client->lock);

}

EXPORT_SYMBOL(ion_unmap_kernel);



static int ion_debug_client_show(struct seq_file *s, void *unused)

{
@@ -654,6 +659,7 @@ void ion_client_destroy(struct ion_client *client) 


	kfree(client);

}

EXPORT_SYMBOL(ion_client_destroy);



struct sg_table *ion_sg_table(struct ion_client *client,

			      struct ion_handle *handle)
@@ -673,6 +679,7 @@ struct sg_table *ion_sg_table(struct ion_client *client, 
	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,
@@ -924,6 +931,7 @@ int ion_share_dma_buf(struct ion_client *client, struct ion_handle *handle) 
	}

	return fd;

}

EXPORT_SYMBOL(ion_share_dma_buf);



struct ion_handle *ion_import_dma_buf(struct ion_client *client, int fd)

{
@@ -960,6 +968,7 @@ struct ion_handle *ion_import_dma_buf(struct ion_client *client, int fd) 
	dma_buf_put(dmabuf);

	return handle;

}

EXPORT_SYMBOL(ion_import_dma_buf);



static int ion_sync_for_device(struct ion_client *client, int fd)

{