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a6ccb03fb7
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>