From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 19D23CA0EDC for ; Thu, 14 Aug 2025 06:15:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=mfDZ6UheawcF20rExDl69wXDOc7kqhLgRQCax93tNjw=; b=ltbBXEAKn8KHiQt35+JLfCniOH qcf0kMi263v9NH/BLuTC4VBQfyP3PPHDHCOz5xr4KiQntZ1f0+EWItOCYzB9WaW2UV5/rc0KFFASc h6Yita9xF25Dne9LqDCmQRIh38ySA3pGqk+t1Uf1/QENy5Wrv3NUAwzbcoaBqolLnxqN6gUWDz+NA yE52xsQK6OddGdpQgDl4QEByjBKkcoyJhEHNYjCgw7GZTzS5lIK1e7efrEYXugXNFjHOnmpie0x+w +Lq1Rpsx335RieFhUYvV2VFPfxTLBzQ+IXS0erO0fa0dSfWSW9uCkZiU5G5D8nZPjjSIkcSCnZBtf v/AAPaTg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1umRFX-0000000Fv02-0isi; Thu, 14 Aug 2025 06:15:43 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1umRCy-0000000FuoP-44rH for linux-arm-kernel@lists.infradead.org; Thu, 14 Aug 2025 06:13:05 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 3EB61601DD; Thu, 14 Aug 2025 06:13:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1A4E7C4CEEF; Thu, 14 Aug 2025 06:12:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755151983; bh=DAGhSWQHXEHySMtrjXTOpoAjZ6wAwaqNMvo6ON2OJxA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=h3lHu3aiobL0T0fk/o90/lR7crHSA/3wZHAC0YA3sLLGB4v52FV10x7lKyMsDM1sY ReumTALeQkloTBu3I6tsjCabMWXzXx/TTYModh1h68VLWmUJuROoRfdM+XEQ9P+RzV UB8/LkiK08WUB14CsUUycZrb4Cr17AsakkaM3DGiPsQ42MVJSWy0IDk3LMydTjy9mb PsaDi8/RZptKDGWlrS1g3RQ4ZVHxtMj4ArPk5ZiGP8sf0UT4YOqTsb2xG9bcldG//j 1znx2Lggvw/UgNIQt2PoA9yjcHRwJrbTFO3+tCdsojX5ToVSmZWRUvumraX1h9VpFO mkR2nWKX7robQ== Date: Thu, 14 Aug 2025 11:42:50 +0530 From: Sumit Garg To: Jens Wiklander , Christian =?iso-8859-1?Q?K=F6nig?= , Sumit Semwal 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 , Thierry Reding , Yong Wu , Benjamin Gaignard , Brian Starkey , John Stultz , "T . J . Mercier" , Matthias Brugger , AngeloGioacchino Del Regno , azarrabi@qti.qualcomm.com, Simona Vetter , Daniel Stone , Rouven Czerwinski , robin.murphy@arm.com, Sumit Garg Subject: Re: [PATCH v11 2/9] dma-buf: dma-heap: export declared functions Message-ID: References: <20250813060339.2977604-1-jens.wiklander@linaro.org> <20250813060339.2977604-3-jens.wiklander@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250813060339.2977604-3-jens.wiklander@linaro.org> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 > Reviewed-by: Sumit Garg > --- > 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 > 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 > From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.trustedfirmware.org (lists.trustedfirmware.org [18.214.241.189]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0AA52CA0EDC for ; 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Thu, 14 Aug 2025 06:13:05 +0000 (UTC) Authentication-Results: lists.trustedfirmware.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=h3lHu3ai; dkim-atps=neutral Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 3EB61601DD; Thu, 14 Aug 2025 06:13:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1A4E7C4CEEF; Thu, 14 Aug 2025 06:12:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755151983; bh=DAGhSWQHXEHySMtrjXTOpoAjZ6wAwaqNMvo6ON2OJxA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=h3lHu3aiobL0T0fk/o90/lR7crHSA/3wZHAC0YA3sLLGB4v52FV10x7lKyMsDM1sY ReumTALeQkloTBu3I6tsjCabMWXzXx/TTYModh1h68VLWmUJuROoRfdM+XEQ9P+RzV UB8/LkiK08WUB14CsUUycZrb4Cr17AsakkaM3DGiPsQ42MVJSWy0IDk3LMydTjy9mb PsaDi8/RZptKDGWlrS1g3RQ4ZVHxtMj4ArPk5ZiGP8sf0UT4YOqTsb2xG9bcldG//j 1znx2Lggvw/UgNIQt2PoA9yjcHRwJrbTFO3+tCdsojX5ToVSmZWRUvumraX1h9VpFO mkR2nWKX7robQ== Date: Thu, 14 Aug 2025 11:42:50 +0530 To: Jens Wiklander , Christian =?iso-8859-1?Q?K=F6nig?= , Sumit Semwal Subject: Re: [PATCH v11 2/9] dma-buf: dma-heap: export declared functions Message-ID: References: <20250813060339.2977604-1-jens.wiklander@linaro.org> <20250813060339.2977604-3-jens.wiklander@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; 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FROM_HAS_DN(0.00)[]; DKIM_TRACE(0.00)[kernel.org:+] X-Rspamd-Action: no action X-Rspamd-Server: lists.trustedfirmware.org Message-ID-Hash: LNM5L2HSBLTUXH2DMCJUQTHXXP2BLS7K X-Message-ID-Hash: LNM5L2HSBLTUXH2DMCJUQTHXXP2BLS7K X-MailFrom: sumit.garg@kernel.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-op-tee.lists.trustedfirmware.org-0; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header 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 , Thierry Reding , Yong Wu , Benjamin Gaignard , Brian Starkey , John Stultz , "T . J . Mercier" , Matthias Brugger , AngeloGioacchino Del Regno , azarrabi@qti.qualcomm.com, Simona Vetter , Daniel Stone , Rouven Czerwinski , robin.murphy@arm.com, Sumit Garg X-Mailman-Version: 3.3.5 Precedence: list List-Id: Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: From: Sumit Garg via OP-TEE Reply-To: Sumit Garg 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 > Reviewed-by: Sumit Garg > --- > 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 > 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 >