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dma-buf: dma-heap: Provide accessor to get heap name

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It can be useful to access the name for the heap,
so provide an accessor to do so.

Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Liam Mark <lmark@codeaurora.org>
Cc: Chris Goldsworthy <cgoldswo@codeaurora.org>
Cc: Laura Abbott <labbott@kernel.org>
Cc: Brian Starkey <Brian.Starkey@arm.com>
Cc: Hridya Valsaraju <hridya@google.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Sandeep Patil <sspatil@google.com>
Cc: Daniel Mentz <danielmentz@google.com>
Cc: Ørjan Eide <orjan.eide@arm.com>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Ezequiel Garcia <ezequiel@collabora.com>
Cc: Simon Ser <contact@emersion.fr>
Cc: James Jones <jajones@nvidia.com>
Cc: linux-media@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: John Stultz <john.stultz@linaro.org>
Acked-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210209194818.2459062-1-john.stultz@linaro.org
This commit is contained in:
John Stultz 2021-02-09 19:48:17 +00:00 committed by Sumit Semwal
parent ad2c28bd9a
commit 98cd02da46
2 changed files with 21 additions and 0 deletions
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12
drivers/dma-buf/dma-heap.c
View File

@ -202,6 +202,18 @@ void *dma_heap_get_drvdata(struct dma_heap *heap)
return heap->priv;
}
/**
* dma_heap_get_name() - get heap name
* @heap: DMA-Heap to retrieve private data for
*
* Returns:
* The char* for the heap name.
*/
const char *dma_heap_get_name(struct dma_heap *heap)
{
return heap->name;
}
struct dma_heap *dma_heap_add(const struct dma_heap_export_info *exp_info)
{
struct dma_heap *heap, *h, *err_ret;

9
include/linux/dma-heap.h
View File

@ -50,6 +50,15 @@ struct dma_heap_export_info {
*/
void *dma_heap_get_drvdata(struct dma_heap *heap);
/**
* dma_heap_get_name() - get heap name
* @heap: DMA-Heap to retrieve private data for
*
* Returns:
* The char* for the heap name.
*/
const char *dma_heap_get_name(struct dma_heap *heap);
/**
* dma_heap_add - adds a heap to dmabuf heaps
* @exp_info: information needed to register this heap