Export the dma-buf heap functions to allow them to be used by the OP-TEE driver. The OP-TEE driver wants to register and manage specific secure DMA heaps with it.
Reviewed-by: Sumit Garg sumit.garg@oss.qualcomm.com Reviewed-by: T.J. Mercier tjmercier@google.com Acked-by: Sumit Semwal sumit.semwal@linaro.org Signed-off-by: Jens Wiklander jens.wiklander@linaro.org --- drivers/dma-buf/dma-heap.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/dma-buf/dma-heap.c b/drivers/dma-buf/dma-heap.c index 3cbe87d4a464..8ab49924f8b7 100644 --- a/drivers/dma-buf/dma-heap.c +++ b/drivers/dma-buf/dma-heap.c @@ -11,6 +11,7 @@ #include <linux/dma-buf.h> #include <linux/dma-heap.h> #include <linux/err.h> +#include <linux/export.h> #include <linux/list.h> #include <linux/nospec.h> #include <linux/syscalls.h> @@ -202,6 +203,7 @@ void *dma_heap_get_drvdata(struct dma_heap *heap) { return heap->priv; } +EXPORT_SYMBOL_NS_GPL(dma_heap_get_drvdata, "DMA_BUF_HEAP");
/** * dma_heap_get_name - get heap name @@ -214,6 +216,7 @@ const char *dma_heap_get_name(struct dma_heap *heap) { return heap->name; } +EXPORT_SYMBOL_NS_GPL(dma_heap_get_name, "DMA_BUF_HEAP");
/** * dma_heap_add - adds a heap to dmabuf heaps @@ -303,6 +306,7 @@ struct dma_heap *dma_heap_add(const struct dma_heap_export_info *exp_info) kfree(heap); return err_ret; } +EXPORT_SYMBOL_NS_GPL(dma_heap_add, "DMA_BUF_HEAP");
static char *dma_heap_devnode(const struct device *dev, umode_t *mode) {