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 863F4CD4F5E for ; Thu, 21 May 2026 08:13:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:Reply-To:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:MIME-Version:Message-Id :Date:Subject:From:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=bKtCaILH6YKQA4QetWLIJYKhENvUkujaUZ3s0kMFhkg=; b=HWfvnUfNLaOeIe xEImfmclo6r632nx/lWLsMbiFkp1qE1/bW04WgJEAD81UruIUsOBNyEeQlD2HmdW9mwwKS6aBRKNS 0/98CUElbfcLWAGRSduXh9YSX1/lL4KZ+g3z4tK9w+IZzmzXpKo7n6Rlcb1nQx73CBcpBfhlhSPjO KoBJeqbvcgKUMjDWrjAHpGk3HmTp4GTAnS57t9IuxzxTcf2JIFQfXlkgbZmqaYi6Z0xcO/iqyaL2a cgp6qpsI4V1Td7brT9Hxe1fJnVXJ1eTu3qWpbCovj+wUurUBBvrQ+8TrCAgL3603kjHfMtsO7mc4O up5hzICrVa8iwuboSukQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wPyWY-000000075QV-0BQ9; Thu, 21 May 2026 08:12:58 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wPyWU-000000075OU-3vcc for linux-amlogic@lists.infradead.org; Thu, 21 May 2026 08:12:56 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 6486C440F9; Thu, 21 May 2026 08:12:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 36642C2BCB4; Thu, 21 May 2026 08:12:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1779351174; bh=hzuY+yyFO4sjo8dhrrxQOewW27XSqB9N4XeCHFH8Bqw=; h=From:Subject:Date:To:Cc:Reply-To:From; b=jDvWzpJ0Tg46huG0qtCO6n9siW+ORI289/aRALbc6QT+6699spl/L80hID+tYJgSC fqg6qzuBkhG+mOGIlHmbBW40Mq2ZGpqBcMgvvvW76D0XPh9EmdsaML9LjIQXYE/SXT 09piLu0PzZ675f7rCW663JQGlHut9sabtncz1TdeYQcJXahfHZvRoDETSixVLY48hX /UJvZZeczBdCUWwnN1Q4aFe7uyhhFyT09o4Ug9tbPHIVX7pCIrwVQE2NCU7/24VDVN DiUH0PuSvtyQaKoJZJO7uqVD38DAiomIoq553pOl7xnWHpk2P8dDPF8+PNlvkLWJEc Xp3o5MAI1cldQ== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1D6BBCD5BAC; Thu, 21 May 2026 08:12:54 +0000 (UTC) From: Xianwei Zhao via B4 Relay Subject: [PATCH v8 0/3] Add Amlogic general DMA Date: Thu, 21 May 2026 08:12:42 +0000 Message-Id: <20260521-amlogic-dma-v8-0-86cc2ce94142@amlogic.com> MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIAHq+DmoC/23OTWrDMBAF4KsEratijWYkq6veI3Qhe8aJoI6LX UxK8N0rh4b4p8sn8b03NzVIn2RQb4eb6mVMQ+ouOZQvB1Wf4+UkOnHOCgogA4Z0bD+7U6o1t1H 7gN4z1QwOVRZfvTTpem87fuR8TsN31//cy0czvz563KpnNLrQAmUQ8hJc9O9/v69116q5aYSHd oUBv9aQNRIQW/DskffaPjUUm22bNbmmCg0FYYC9xoXebmPWDZCgMyih+udyempb4FpT1jEiWTb YMNq9dksd1tpl7azFwGArxmqv/ULDZtvPl5dVMCImQG3WepqmX6z2Ue0cAgAA X-Change-ID: 20251215-amlogic-dma-79477d5cd264 To: Vinod Koul , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Kees Cook , "Gustavo A. R. Silva" , Frank Li Cc: linux-amlogic@lists.infradead.org, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, Xianwei Zhao , Krzysztof Kozlowski , Frank Li X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1779351171; l=2587; i=xianwei.zhao@amlogic.com; s=20251216; h=from:subject:message-id; bh=hzuY+yyFO4sjo8dhrrxQOewW27XSqB9N4XeCHFH8Bqw=; b=oEdhIYPsTCEUZteX9hT0ke1NATls0bgvNDdiBomI7mCB0YBdDQOlt1AsoeipLBqwO+ctQwEiH xWcwlvsf3dwCcQOUnc1657XU3u1U/SGz75RMgtXZv+XGdmpUQGFEQLb X-Developer-Key: i=xianwei.zhao@amlogic.com; a=ed25519; pk=dWwxtWCxC6FHRurOmxEtr34SuBYU+WJowV/ZmRJ7H+k= X-Endpoint-Received: by B4 Relay for xianwei.zhao@amlogic.com/20251216 with auth_id=578 X-Original-From: Xianwei Zhao X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260521_011255_020814_3938801C X-CRM114-Status: GOOD ( 10.89 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: xianwei.zhao@amlogic.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Add DMA driver and bindigns for the Amlogic SoCs. Signed-off-by: Xianwei Zhao --- Changes in v8: - Use kzalloc instead of kmalloc. - Initialize the temporary variable and fix a spelling mistake. - Link to v7: https://lore.kernel.org/r/20260324-amlogic-dma-v7-0-f8b91ee192c1@amlogic.com Changes in v7: - Take use vchan to support mltiple txns. - Link to v6: https://lore.kernel.org/r/20260309-amlogic-dma-v6-0-63349d23bd4b@amlogic.com Changes in v6: - Some minor modifications according to Frank's suggestion. - Link to v5: https://lore.kernel.org/r/20260304-amlogic-dma-v5-0-aa453d14fd43@amlogic.com Changes in v5: - Rename head file and rename macro definition. - Rename the subject in [2/3] from "dma" to "dmaengine". - Link to v4: https://lore.kernel.org/r/20260227-amlogic-dma-v4-0-f25e4614e9b7@amlogic.com Changes in v4: - Support split transfer when data len > MAX_LEN. - When a module fails or exits, perform de-initialization. - Some other minor modifications. - Link to v3: https://lore.kernel.org/r/20260206-amlogic-dma-v3-0-56fb9f59ed22@amlogic.com Changes in v3: - Adjust the format of binding according to Frank's suggestion. - Some code format modified according to Frank's suggestion. - Support one prep_sg and one submit, drop multi prep_sg and one submit. - Keep pre state when resume from pause status. - Link to v2: https://lore.kernel.org/r/20260127-amlogic-dma-v2-0-4525d327d74d@amlogic.com Changes in v2: - Introduce what the DMA is used for in the A9 SoC. - Some minor modifications were made according to Krzysztof's suggestions. - Some modifications were made according to Neil's suggestions. - Fix a build error. - Link to v1: https://lore.kernel.org/r/20251216-amlogic-dma-v1-0-e289e57e96a7@amlogic.com --- Xianwei Zhao (3): dt-bindings: dma: Add Amlogic A9 SoC DMA dmaengine: amlogic: Add general DMA driver for A9 MAINTAINERS: Add an entry for Amlogic DMA driver .../devicetree/bindings/dma/amlogic,a9-dma.yaml | 65 ++ MAINTAINERS | 7 + drivers/dma/Kconfig | 10 + drivers/dma/Makefile | 1 + drivers/dma/amlogic-dma.c | 682 +++++++++++++++++++++ include/dt-bindings/dma/amlogic,a9-dma.h | 8 + 6 files changed, 773 insertions(+) --- base-commit: 0b1f98df9cf024e9f1a43e0ef9c16d3466d17746 change-id: 20251215-amlogic-dma-79477d5cd264 Best regards, -- Xianwei Zhao _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic