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authorJens Wiklander <jens.wiklander@linaro.org>2025-08-13 08:02:51 +0200
committerJens Wiklander <jens.wiklander@linaro.org>2025-09-11 11:22:17 +0200
commita6ccb03fb77341df0573c5b3f82f82b4da1b87f5 (patch)
treed017c02e07582e43953794e97879f83d1f95460f /drivers/dma-buf
parent15003d9cc65fe7d4cbc9b25d6dccfc3e58d4d483 (diff)
dma-buf: dma-heap: export declared functions
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>
Diffstat (limited to 'drivers/dma-buf')
-rw-r--r--drivers/dma-buf/dma-heap.c4
1 files changed, 4 insertions, 0 deletions
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 @@ 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)
{