On Wed, Aug 13, 2025 at 11:13 PM Sumit Garg <sumit.g...@kernel.org> wrote:
>
> On Wed, Aug 13, 2025 at 08:02:51AM +0200, Jens Wiklander wrote:
> > 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.
> >
> > Signed-off-by: Jens Wiklander <jens.wiklan...@linaro.org>
> > Reviewed-by: Sumit Garg <sumit.g...@oss.qualcomm.com>
> > ---
> > drivers/dma-buf/dma-heap.c | 3 +++
> > 1 file changed, 3 insertions(+)
> >
>
> Can we get an ack from DMAbuf maintainers here? With that we should be
> able to queue this patch-set for linux-next targetting the 6.18 merge
> window.
>
> -Sumit
Reviewed-by: T.J. Mercier <tjmerc...@google.com>
Sorry I haven't been able to participate much upstream lately.
>
> > diff --git a/drivers/dma-buf/dma-heap.c b/drivers/dma-buf/dma-heap.c
> > index 3cbe87d4a464..cdddf0e24dce 100644
> > --- a/drivers/dma-buf/dma-heap.c
> > +++ b/drivers/dma-buf/dma-heap.c
> > @@ -202,6 +202,7 @@ void *dma_heap_get_drvdata(struct dma_heap *heap)
> > {
> > return heap->priv;
> > }
> > +EXPORT_SYMBOL(dma_heap_get_drvdata);
> >
> > /**
> > * dma_heap_get_name - get heap name
> > @@ -214,6 +215,7 @@ const char *dma_heap_get_name(struct dma_heap *heap)
> > {
> > return heap->name;
> > }
> > +EXPORT_SYMBOL(dma_heap_get_name);
> >
> > /**
> > * dma_heap_add - adds a heap to dmabuf heaps
> > @@ -303,6 +305,7 @@ struct dma_heap *dma_heap_add(const struct
> > dma_heap_export_info *exp_info)
> > kfree(heap);
> > return err_ret;
> > }
> > +EXPORT_SYMBOL(dma_heap_add);
> >
> > static char *dma_heap_devnode(const struct device *dev, umode_t *mode)
> > {
> > --
> > 2.43.0
> >
