archives/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-03-08 03:04:51 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

dma-buf: dma-heap: export declared functions

Browse source 
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>
This commit is contained in:
Jens Wiklander 2025-08-13 08:02:51 +02:00
parent 15003d9cc6
commit a6ccb03fb7
1 changed files with 4 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

4
drivers/dma-buf/dma-heap.c
View file

@ -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 @@ err0:
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)
{