From: Sumit Garg <sumit.garg@kernel.org>
To: Jens Wiklander <jens.wiklander@linaro.org>
Cc: linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org,
op-tee@lists.trustedfirmware.org,
linux-arm-kernel@lists.infradead.org,
"Olivier Masse" <olivier.masse@nxp.com>,
"Thierry Reding" <thierry.reding@gmail.com>,
"Yong Wu" <yong.wu@mediatek.com>,
"Sumit Semwal" <sumit.semwal@linaro.org>,
"Benjamin Gaignard" <benjamin.gaignard@collabora.com>,
"Brian Starkey" <Brian.Starkey@arm.com>,
"John Stultz" <jstultz@google.com>,
"T . J . Mercier" <tjmercier@google.com>,
"Christian König" <christian.koenig@amd.com>,
"Matthias Brugger" <matthias.bgg@gmail.com>,
"AngeloGioacchino Del Regno"
<angelogioacchino.delregno@collabora.com>,
azarrabi@qti.qualcomm.com,
"Simona Vetter" <simona.vetter@ffwll.ch>,
"Daniel Stone" <daniel@fooishbar.org>,
"Rouven Czerwinski" <rouven.czerwinski@linaro.org>,
robin.murphy@arm.com
Subject: Re: [PATCH v10 2/9] dma-buf: dma-heap: export declared functions
Date: Tue, 17 Jun 2025 15:44:45 +0530 [thread overview]
Message-ID: <aFFAFcSNtMM7d38w@sumit-X1> (raw)
In-Reply-To: <20250610131600.2972232-3-jens.wiklander@linaro.org>
On Tue, Jun 10, 2025 at 03:13:46PM +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.wiklander@linaro.org>
> ---
> drivers/dma-buf/dma-heap.c | 3 +++
> 1 file changed, 3 insertions(+)
Reviewed-by: Sumit Garg <sumit.garg@oss.qualcomm.com>
-Sumit
>
> 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
>
next prev parent reply other threads:[~2025-06-17 11:31 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-10 13:13 [PATCH v10 0/9] TEE subsystem for protected dma-buf allocations Jens Wiklander
2025-06-10 13:13 ` [PATCH v10 1/9] optee: sync secure world ABI headers Jens Wiklander
2025-06-10 13:13 ` [PATCH v10 2/9] dma-buf: dma-heap: export declared functions Jens Wiklander
2025-06-17 10:14 ` Sumit Garg [this message]
2025-06-10 13:13 ` [PATCH v10 3/9] tee: implement protected DMA-heap Jens Wiklander
2025-06-17 10:33 ` Sumit Garg
2025-06-10 13:13 ` [PATCH v10 4/9] tee: refactor params_from_user() Jens Wiklander
2025-06-10 13:13 ` [PATCH v10 5/9] tee: new ioctl to a register tee_shm from a dmabuf file descriptor Jens Wiklander
2025-06-17 10:48 ` Sumit Garg
2025-06-18 6:47 ` Jens Wiklander
2025-07-03 7:22 ` Sumit Garg
2025-07-03 7:34 ` Jens Wiklander
2025-06-10 13:13 ` [PATCH v10 6/9] tee: add tee_shm_alloc_dma_mem() Jens Wiklander
2025-06-17 11:32 ` Sumit Garg
2025-06-18 7:03 ` Jens Wiklander
2025-07-03 6:28 ` Sumit Garg
2025-07-03 7:13 ` Jens Wiklander
2025-06-10 13:13 ` [PATCH v10 7/9] optee: support protected memory allocation Jens Wiklander
2025-06-17 11:34 ` Sumit Garg
2025-06-24 6:54 ` Amirreza Zarrabi
2025-06-24 7:38 ` Jens Wiklander
2025-06-10 13:13 ` [PATCH v10 8/9] optee: FF-A: dynamic " Jens Wiklander
2025-06-17 11:37 ` Sumit Garg
2025-06-10 13:13 ` [PATCH v10 9/9] optee: smc abi: " Jens Wiklander
2025-06-17 11:38 ` Sumit Garg
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