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Commit 434d93d2 authored by Liam Mark's avatar Liam Mark
Browse files

ion: add support for mapping with dma mapping attributes 



Add support for configuring dma mapping attributes when mapping
memory through dma_buf_map_attachment.

Change-Id: I05c2133c432718bcaececb3858af19652d31b02b
Signed-off-by: default avatarLiam Mark <lmark@codeaurora.org>
parent 28bb5f16

drivers/staging/android/ion/ion.c

+2 −2
Original line number Diff line number Diff line
@@ -365,8 +365,8 @@ static struct sg_table *ion_map_dma_buf(struct dma_buf_attachment *attachment, 


	table = a->table;



	if (!dma_map_sg(attachment->dev, table->sgl, table->nents,

			direction)){

	if (!dma_map_sg_attrs(attachment->dev, table->sgl, table->nents,

			      direction, attachment->dma_map_attrs)){

		ret = -ENOMEM;

		goto err;

	}

include/linux/dma-buf.h

+1 −0
Original line number Diff line number Diff line
@@ -326,6 +326,7 @@ struct dma_buf_attachment { 
	struct device *dev;

	struct list_head node;

	void *priv;

	unsigned long dma_map_attrs;

};



/**