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 703F6C71157 for ; Tue, 17 Jun 2025 11:31:49 +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=I/XhDv9ax+wgI0lZNYoB96n/0fpk8hC2rG3TpAKBCwM=; b=fIqoBT7Y5kH0WSkVuAn3d+fI01 7cT0kHBWx7Ap5dVwdon8IVTjOorQ8kxBhQgV3XG3qFDj9Do9MFNQ3XY5hRjTprz7rvdlF/XbMFM6G tikQcoHePXif1fcLwWkFeCAqzsAYAWHmg2AMso732lY8VtqgyEGYH0C8PFt1tZ+vFjNms6/Mpx2tB dJTkMYAoqlVtobXmhtL5s8HM8jZ4Ry/6horYbsEGpsk1mvyucOS5/AAqpaDA2bWMjTLqWcgPOTNj6 +t/WcZgcOo0eftlk34FXxW9e3WcSwZifjgf+hgT6hPnqL/gvS5+tAyy+ch9e7IQA+qLfwlSn+5wmE IadWRpiQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uRUXP-000000072SS-0L5V; Tue, 17 Jun 2025 11:31:35 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uRTLE-00000006tFH-26Py for linux-arm-kernel@lists.infradead.org; Tue, 17 Jun 2025 10:14:57 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 714F949CAF; Tue, 17 Jun 2025 10:14:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6E694C4CEEE; Tue, 17 Jun 2025 10:14:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1750155295; bh=TGiJ78OP12uHdMJQ3lJsjwAsNWLdhU7ATUP+OpaDnTM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=o/1uzIR6BMhnlc2FAlYqUdmXvvuDtF8wPGOeNwLChQTgBUbfOFenjr3VK/V41Gvh9 Jg5EIm+eukoiDcygWJPerWvg8K/Cl8DES8H+DLZCh0cCI7gGKklAVtLqfdl2wTGkPe DALKiNyxhk5j/1mBAnw+60bPHI/gS/amHDBeMwgEh3kU63Zi9JvteyDGx13Swwp8pv dWAEOIjVr/6vLeeB6RjIH5XrAdrKk0O6vO1ChEwwxpVZYCsjcCLM5uyROvgvzsjKRd 5yd+RoYXU7iK8SpnT+BoBNJFGDv1K8JHAH/Z1+bq8ENUyHEYRPNs0FAY1N7KkAX6wL tV3Y6e4JkfMDQ== Date: Tue, 17 Jun 2025 15:44:45 +0530 From: Sumit Garg To: Jens Wiklander 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 , Sumit Semwal , Benjamin Gaignard , Brian Starkey , John Stultz , "T . J . Mercier" , Christian =?iso-8859-1?Q?K=F6nig?= , Matthias Brugger , AngeloGioacchino Del Regno , azarrabi@qti.qualcomm.com, Simona Vetter , Daniel Stone , Rouven Czerwinski , robin.murphy@arm.com Subject: Re: [PATCH v10 2/9] dma-buf: dma-heap: export declared functions Message-ID: References: <20250610131600.2972232-1-jens.wiklander@linaro.org> <20250610131600.2972232-3-jens.wiklander@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250610131600.2972232-3-jens.wiklander@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250617_031456_558543_7F25E09F X-CRM114-Status: GOOD ( 15.25 ) 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 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 > --- > drivers/dma-buf/dma-heap.c | 3 +++ > 1 file changed, 3 insertions(+) Reviewed-by: Sumit Garg -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 8F503C71157 for ; 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Tue, 17 Jun 2025 10:14:56 +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=o/1uzIR6; dkim-atps=neutral Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 714F949CAF; Tue, 17 Jun 2025 10:14:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6E694C4CEEE; Tue, 17 Jun 2025 10:14:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1750155295; bh=TGiJ78OP12uHdMJQ3lJsjwAsNWLdhU7ATUP+OpaDnTM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=o/1uzIR6BMhnlc2FAlYqUdmXvvuDtF8wPGOeNwLChQTgBUbfOFenjr3VK/V41Gvh9 Jg5EIm+eukoiDcygWJPerWvg8K/Cl8DES8H+DLZCh0cCI7gGKklAVtLqfdl2wTGkPe DALKiNyxhk5j/1mBAnw+60bPHI/gS/amHDBeMwgEh3kU63Zi9JvteyDGx13Swwp8pv dWAEOIjVr/6vLeeB6RjIH5XrAdrKk0O6vO1ChEwwxpVZYCsjcCLM5uyROvgvzsjKRd 5yd+RoYXU7iK8SpnT+BoBNJFGDv1K8JHAH/Z1+bq8ENUyHEYRPNs0FAY1N7KkAX6wL tV3Y6e4JkfMDQ== Date: Tue, 17 Jun 2025 15:44:45 +0530 To: Jens Wiklander Subject: Re: [PATCH v10 2/9] dma-buf: dma-heap: export declared functions Message-ID: References: <20250610131600.2972232-1-jens.wiklander@linaro.org> <20250610131600.2972232-3-jens.wiklander@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; 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TAGGED_RCPT(0.00)[]; RCVD_TLS_LAST(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; RBL_SENDERSCORE_REPUT_BLOCKED(0.00)[172.234.252.31:from]; TO_DN_SOME(0.00)[]; DKIM_TRACE(0.00)[kernel.org:+] Message-ID-Hash: PWNLSAKSMT236FZKBGUNSPQN23R4E4BY X-Message-ID-Hash: PWNLSAKSMT236FZKBGUNSPQN23R4E4BY 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 , Sumit Semwal , Benjamin Gaignard , Brian Starkey , John Stultz , "T . J . Mercier" , Christian =?iso-8859-1?Q?K=F6nig?= , Matthias Brugger , AngeloGioacchino Del Regno , azarrabi@qti.qualcomm.com, Simona Vetter , Daniel Stone , Rouven Czerwinski , robin.murphy@arm.com 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 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 > --- > drivers/dma-buf/dma-heap.c | 3 +++ > 1 file changed, 3 insertions(+) Reviewed-by: Sumit Garg -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 >