From patchwork Wed Jun 14 19:35:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank Li X-Patchwork-Id: 692720 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A662EEB64DB for ; Wed, 14 Jun 2023 19:36:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236864AbjFNTg3 (ORCPT ); Wed, 14 Jun 2023 15:36:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56286 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236910AbjFNTgU (ORCPT ); Wed, 14 Jun 2023 15:36:20 -0400 Received: from EUR04-HE1-obe.outbound.protection.outlook.com (mail-he1eur04on2070.outbound.protection.outlook.com [40.107.7.70]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8CA50D2; Wed, 14 Jun 2023 12:36:18 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=dCwJXxAmtEFRTjulR4ALX60BXbPn5zkobwtoB7SBuD0xGISOP1UoD8v7Yd+0zEvyA7Z4KQJR4XOzffe7so4wFm3fWzicur/LiZ6Ao5xCuYMtDs9UDVspZ5A2jONd1qI22sg2mmxMj1yS0qVAbkEx6rWNS2ArPcX1rneAWmWEhTKJ55xBLKqPYHPttAtcxBomdFeVDJpwLHUuqBw6UAx2578lErxyQzDxar1cpMnqIKcLIOz+4MAr/Mfukl7xypVVUdoVxuhcsl5QCdxRF1m/ku0wy1HhotVWi/iG8RhJxPFiRfoqgG9tmkib3SuyYmGgHuv3TaHCbuHVsVScHEvE8w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=s1+6nOaISVZ89Qy4+Cr3cnXLzqMpnDganBMJUwxpjWY=; b=D3IqcsiCZSgMcSKip2MS9g4ytk4pTQ0lt6bAGCjpUKyzq0qgVT4NubKCGyrYfrQSe8a97J480z4VoZlFFifuEVE58Gx8HkLN2Lh2IlvWqcqTt/cIUeymLkXyUoaV6n1FhRAUjPRbFkj2obC5r/IbTn5xbxAsi2I5f9hySuXWRDQyNcz3LnmDNSQ6RqzCK84splE6jmTMMJQPZm4KFRSmMUWu7U4KmjowMDHE32I0ew30I/nkDim8vSB2mQWECNBeaCQVnqntamtLRGhCRuu2Ku8VzFFPunPlYkb6+wPLT/RiSBtkcqJZhTtefHrGWQT/zS7qlYhK90gBcM1zgex4VQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=s1+6nOaISVZ89Qy4+Cr3cnXLzqMpnDganBMJUwxpjWY=; b=pGDkFqSghpXxBrhAnSrGnoVND1zuNUrgUlfvgr7WW7BVAeivADUH6HOaYz51uEy0fSTKzwBuNuSzfk4PuWbhBarLxgRbd4eDSz1cWWETVmfgtNzIdIuOlrQiYLhBSjPCUYU3PhJpv8wJmf+E3dJqWPK398y7rHVL0Mgr869LYg0= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from AM6PR04MB4838.eurprd04.prod.outlook.com (2603:10a6:20b:4::16) by VI1PR04MB9763.eurprd04.prod.outlook.com (2603:10a6:800:1d3::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6477.37; Wed, 14 Jun 2023 19:36:16 +0000 Received: from AM6PR04MB4838.eurprd04.prod.outlook.com ([fe80::4a2a:262e:415f:e41c]) by AM6PR04MB4838.eurprd04.prod.outlook.com ([fe80::4a2a:262e:415f:e41c%7]) with mapi id 15.20.6477.035; Wed, 14 Jun 2023 19:36:16 +0000 From: Frank Li To: vkoul@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, peng.fan@nxp.com, joy.zou@nxp.com, shenwei.wang@nxp.com, imx@lists.linux.dev Subject: [PATCH v6 06/12] dmaengine: fsl-edma: simply ATTR_DSIZE and ATTR_SSIZE by using ffs() Date: Wed, 14 Jun 2023 15:35:38 -0400 Message-Id: <20230614193544.2114603-7-Frank.Li@nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230614193544.2114603-1-Frank.Li@nxp.com> References: <20230614193544.2114603-1-Frank.Li@nxp.com> X-ClientProxiedBy: SJ0PR13CA0051.namprd13.prod.outlook.com (2603:10b6:a03:2c2::26) To AM6PR04MB4838.eurprd04.prod.outlook.com (2603:10a6:20b:4::16) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM6PR04MB4838:EE_|VI1PR04MB9763:EE_ X-MS-Office365-Filtering-Correlation-Id: aa6aa5e5-1e8a-432b-6ade-08db6d0e9ef3 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:AM6PR04MB4838.eurprd04.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230028)(4636009)(396003)(39860400002)(346002)(136003)(366004)(376002)(451199021)(5660300002)(6486002)(8676002)(52116002)(41300700001)(6666004)(8936002)(66556008)(66476007)(316002)(2906002)(186003)(478600001)(66946007)(83380400001)(38100700002)(38350700002)(921005)(86362001)(36756003)(26005)(6512007)(1076003)(6506007)(2616005); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: aa6aa5e5-1e8a-432b-6ade-08db6d0e9ef3 X-MS-Exchange-CrossTenant-AuthSource: AM6PR04MB4838.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Jun 2023 19:36:16.8022 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: DCKhme10JDSz1MRZuCp2o9VehBwbet4KZ2YtCBdRefZKNNyJG+1RTJ1UTLTTDkVmjacexk4ojcGPz0XsnZY31Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB9763 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Removes all ATTR_DSIZE_*BIT(BYTE) and ATTR_SSIZE_*BIT(BYTE) definitions in edma. Uses ffs() instead, as it gives identical results. This simplifies the code and avoids adding more similar definitions in future V3 version. Signed-off-by: Frank Li --- drivers/dma/fsl-edma-common.c | 21 ++++++++------------- drivers/dma/fsl-edma-common.h | 10 ---------- 2 files changed, 8 insertions(+), 23 deletions(-) diff --git a/drivers/dma/fsl-edma-common.c b/drivers/dma/fsl-edma-common.c index a9d17cf142fc..51fbd7531c74 100644 --- a/drivers/dma/fsl-edma-common.c +++ b/drivers/dma/fsl-edma-common.c @@ -154,18 +154,13 @@ void fsl_edma_chan_mux(struct fsl_edma_chan *fsl_chan, static unsigned int fsl_edma_get_tcd_attr(enum dma_slave_buswidth addr_width) { - switch (addr_width) { - case 1: - return EDMA_TCD_ATTR_SSIZE_8BIT | EDMA_TCD_ATTR_DSIZE_8BIT; - case 2: - return EDMA_TCD_ATTR_SSIZE_16BIT | EDMA_TCD_ATTR_DSIZE_16BIT; - case 4: - return EDMA_TCD_ATTR_SSIZE_32BIT | EDMA_TCD_ATTR_DSIZE_32BIT; - case 8: - return EDMA_TCD_ATTR_SSIZE_64BIT | EDMA_TCD_ATTR_DSIZE_64BIT; - default: - return EDMA_TCD_ATTR_SSIZE_32BIT | EDMA_TCD_ATTR_DSIZE_32BIT; - } + u32 val; + + if (addr_width == DMA_SLAVE_BUSWIDTH_UNDEFINED) + addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; + + val = ffs(addr_width) - 1; + return val | (val << 8); } void fsl_edma_free_desc(struct virt_dma_desc *vdesc) @@ -623,7 +618,7 @@ struct dma_async_tx_descriptor *fsl_edma_prep_memcpy(struct dma_chan *chan, /* To match with copy_align and max_seg_size so 1 tcd is enough */ fsl_edma_fill_tcd(fsl_desc->tcd[0].vtcd, dma_src, dma_dst, - EDMA_TCD_ATTR_SSIZE_32BYTE | EDMA_TCD_ATTR_DSIZE_32BYTE, + fsl_edma_get_tcd_attr(DMA_SLAVE_BUSWIDTH_32_BYTES), 32, len, 0, 1, 1, 32, 0, true, true, false); return vchan_tx_prep(&fsl_chan->vchan, &fsl_desc->vdesc, flags); diff --git a/drivers/dma/fsl-edma-common.h b/drivers/dma/fsl-edma-common.h index 242ab7df8993..521b79fc3828 100644 --- a/drivers/dma/fsl-edma-common.h +++ b/drivers/dma/fsl-edma-common.h @@ -29,16 +29,6 @@ #define EDMA_TCD_ATTR_DMOD(x) (((x) & GENMASK(4, 0)) << 3) #define EDMA_TCD_ATTR_SSIZE(x) (((x) & GENMASK(2, 0)) << 8) #define EDMA_TCD_ATTR_SMOD(x) (((x) & GENMASK(4, 0)) << 11) -#define EDMA_TCD_ATTR_DSIZE_8BIT 0 -#define EDMA_TCD_ATTR_DSIZE_16BIT BIT(0) -#define EDMA_TCD_ATTR_DSIZE_32BIT BIT(1) -#define EDMA_TCD_ATTR_DSIZE_64BIT (BIT(0) | BIT(1)) -#define EDMA_TCD_ATTR_DSIZE_32BYTE (BIT(2) | BIT(0)) -#define EDMA_TCD_ATTR_SSIZE_8BIT 0 -#define EDMA_TCD_ATTR_SSIZE_16BIT (EDMA_TCD_ATTR_DSIZE_16BIT << 8) -#define EDMA_TCD_ATTR_SSIZE_32BIT (EDMA_TCD_ATTR_DSIZE_32BIT << 8) -#define EDMA_TCD_ATTR_SSIZE_64BIT (EDMA_TCD_ATTR_DSIZE_64BIT << 8) -#define EDMA_TCD_ATTR_SSIZE_32BYTE (EDMA_TCD_ATTR_DSIZE_32BYTE << 8) #define EDMA_TCD_CITER_CITER(x) ((x) & GENMASK(14, 0)) #define EDMA_TCD_BITER_BITER(x) ((x) & GENMASK(14, 0))