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 99403C9831E for ; Thu, 24 Sep 2026 20:33:38 +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:MIME-Version:In-Reply-To: Content-Type: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=+I3cAZbub3xas+hAqNKn7vdTuIOrLOZLXBLTFNPVikE=; b=dKCl1unfE7u6afz/wvS78Bgp6b 6lH20S9JgCyy5G9pj4FhdgFM1J0k/aanGIVMWmwMEhWRI0h2+ckck3lzbXEWtj9UZ1PrvSo9/qJou HFA2bKf4ZXaIOAETwaVPNfjz9qV2P56SbBiBsJNDarzN9NSz8ER3bXB5OEX9BRoqgn37ZpT1YoGXg t8GD2OMOqx9g1xVS6K/0jaf0PRL+hE6dblNGDfwuR47rbexRUKaiZa70AopB+PCAasCNQ204Xjn75 4RcepvDum2i6qWiMG76FrH80n3rSNqXN3UieH8GZvfZ1+G/63Px61JZPC5xOhpKdd6KSF835v66v7 pwGm0XrQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x9q8E-0000000C8vx-313D; Thu, 24 Sep 2026 20:33:32 +0000 Received: from mail-northeuropeazlp170100001.outbound.protection.outlook.com ([2a01:111:f403:c200::1] helo=DB3PR0202CU003.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x9q8B-0000000C8vG-2m5B for linux-arm-kernel@lists.infradead.org; Thu, 24 Sep 2026 20:33:24 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=vNSKz7c/C/prAGa2+DCm/17N7m+iWAjv1cArJttT9qv0oP1+yGa01TPYk9eFhvY4s1NiMCnMmBP8Ox0h6dfHNX02bvi/uwt4lFwpeOLhdvz2nmvJOzKiMLJ4NeZgAOG22zn2Txg2NiEPjwlWBMtyilv+7hdmZFZ9FFdY99bKhGCw2TDtP6Tw91o+fV71OxyUCLJpGJf9A5uSW3ZkqiEDZFI4CeeKyCwvDaFU9J7h08A7+yaojGEvgxQaeXg6GSb3dAgAww/+VKQQxod45++6ItnB94ZcgwlFvXccY+2OFSJsjO3hgCbic0p2Iv4b4rW5qat3DahWf+XydpyvFJo0Mw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; 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=+I3cAZbub3xas+hAqNKn7vdTuIOrLOZLXBLTFNPVikE=; b=d2DhHNhjQf6IBQSGt4Yz2WXS7Y1I2c1FlJhtJE7zB1Umnwt6epRWXdkuTcOr32j0nZdfrAu7ufW8jqARTEKg2u/zLO/wLbW1ZGZe8ICoQNkK4zkYrSMjiBWBL3oGaveMwa9XXr5Hu3THIfR+36or+HH0ZHIs2gBbLhJDtuxDD9vYj0ew/rmtMyhIFPvGsQYB0pFh1VovJics8iILG8/1CJCGFvq5q1LaBUblHhVb7lEt9g2JfsTL5EikHV3Hw19ssdCN17DQ5c0OAs22tT62MSAsP4A7I0seRAX6qk5MmqKPnqrFmst2GyeZK1odnhHtkG7S9cZfDcGo5SxbYvu9mQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oss.nxp.com; dmarc=pass action=none header.from=oss.nxp.com; dkim=pass header.d=oss.nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=NXP1.onmicrosoft.com; s=selector1-NXP1-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=+I3cAZbub3xas+hAqNKn7vdTuIOrLOZLXBLTFNPVikE=; b=nv/GTYPkKpezN9ZBd+FVceiiFI3M0FqT5eIMj8EZ1lEd+7W54FOCdGUYx+AVE5U7js/pdpaJSAZYjTB8vgfetUEz5LzDts9U3P/nfI5uB244zfjbHIBswzGri+QPU6LYhfHJ1SnF4UqH4nkpMCd1AB+jSduOJL8X55ou1D6N9nGqGXmBoTAUFoPCeveZdUgREqzB2O2ECJdqB1TM87c09zNv22HeFCmrwIolnCd+RDlClWLeR3HRSYdYOmsqxipVN8sVMkt7Ot1vgKMatEC1zmX/E0sRDpS+QNfsoz/mYLzYtwNDskiQi+J2Rbg2WnfcGH5nBmOewmN3W60uONgEAg== Authentication-Results: mx.microsoft.com 1; dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=oss.nxp.com; Received: from GV2PR04MB11799.eurprd04.prod.outlook.com (2603:10a6:150:2cf::9) by AS5PR04MB10020.eurprd04.prod.outlook.com (2603:10a6:20b:682::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.451.18; Thu, 24 Sep 2026 20:33:18 +0000 Received: from GV2PR04MB11799.eurprd04.prod.outlook.com ([fe80::2146:83a2:5329:b7c]) by GV2PR04MB11799.eurprd04.prod.outlook.com ([fe80::2146:83a2:5329:b7c%7]) with mapi id 15.21.0451.014; Thu, 24 Sep 2026 20:33:18 +0000 Date: Thu, 24 Sep 2026 16:33:10 -0400 From: Frank Li To: "Peng Fan (OSS)" Cc: Vinod Koul , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Peng Fan Subject: Re: [PATCH 3/3] dmaengine: imx-sdma: Use __assign_bit() for ownership configuration Message-ID: References: <20260903-dma-mask-v1-0-211ffd12c236@nxp.com> <20260903-dma-mask-v1-3-211ffd12c236@nxp.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260903-dma-mask-v1-3-211ffd12c236@nxp.com> X-ClientProxiedBy: PH7P220CA0112.NAMP220.PROD.OUTLOOK.COM (2603:10b6:510:32d::33) To GV2PR04MB11799.eurprd04.prod.outlook.com (2603:10a6:150:2cf::9) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: GV2PR04MB11799:EE_|AS5PR04MB10020:EE_ X-MS-Office365-Filtering-Correlation-Id: 1aea806c-1952-4ec3-5034-08df1a7b1154 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|23010399003|366016|19092799006|376014|1800799024|22082099003|18002099003|10067099003|4143699003|3023799007|11063799006|56012099006; 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:GV2PR04MB11799.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(23010399003)(366016)(19092799006)(376014)(1800799024)(22082099003)(18002099003)(10067099003)(4143699003)(3023799007)(11063799006)(56012099006);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?3/s/bA1TGsDuUXmwoP7r3/mStMGY3JgKh29ff+l3/4ZHaMY9LEg3YLFxvSw6?= =?us-ascii?Q?qgPRofR9S/Xy3q4SdNyJ/oKwGSYsKuWxh7WswwuISoXWdZx/ChQdJCA71p0+?= =?us-ascii?Q?tz3EY0k0T7gsV7AkSvvlp9ufTjnwpCfIMS3Fcj/lgCp7wFWJzRNavKkTtrx6?= =?us-ascii?Q?CcqOpBgU6nIN4xeiKPkuU7wwkhBT1kYksqJ5jiaAmHWTQndQLbq5QjwAajfV?= =?us-ascii?Q?Oc4QyZMxJa8bqKUSGGI/UsJiPAbPTZKSp0G8/2SYyFJ91wvN+3ihxY8468vV?= =?us-ascii?Q?6M2wf7gt/+olpiiaN1+ZDtR2LjRRZDKHq2rCNviLbHG3Zp4iy/8tRjFo58vx?= =?us-ascii?Q?IBYfGdWqMnuIjVItjNFgHtLdcx/BIFjFaPq6MZ9E2lcMgs4iOXfbqG95apuz?= =?us-ascii?Q?1rg54nqac+X2QieGWaZKxE212JOlIwMRj0Ln+pebUN6c6VjS0HleOFxy5iTu?= =?us-ascii?Q?silbvxcvEHygSYjTLO1OVx5y0w5h+818aQRqVs4X8Zqe2ayFZOF3SJGfIxsA?= =?us-ascii?Q?gyoex5Yg1gNh4mhgL6zMkwI3DYcLaw58R328VKXCRyhhIt1DTE3FcGAcW7bL?= =?us-ascii?Q?pKdBzAm7OR8BiQs5EzIaQm29c9RAYNWCcPpWsBbhS2JLWOXF+HPPFJJkJl3Q?= =?us-ascii?Q?h1PGmxiJCRe5cFLGsbNjO9q01POqHVydAEdaTkuPUYYAacd2B/hSNHMpxJEo?= =?us-ascii?Q?gyAL07QbqPKobzxNqBrr2RCWAMJtAPVnLCFNMb6T9n8ZhTLTvNuskZ/3ejy4?= =?us-ascii?Q?98AZTi21U/radPCURR/KU8UsPFfiqXv1fRt64YVn6ZJ0Lz5ReoAuzK+7zx7X?= =?us-ascii?Q?xMzRjpqgAgK+OXJoKDS6WuGvSvP9XHbL4VaFaOF8nqIbuodZ7oxuCXx0AxN9?= =?us-ascii?Q?WIzO4WE5yyk9Ky8VLO6nelMaW6ufxoEgddy95imdcA3Jz63sTMsxglIVtNLX?= =?us-ascii?Q?aruuFkrp+q/Rp6xIix/3kUrZBArJtPVtpujTWW2VEEXGgvFJkEk3mPizEVkT?= =?us-ascii?Q?a9SsLHWh/N61RXOkS4nD8XYv/AtFVFVN1qUS8qDQ4MhKTcXSrFGLQnlGBPz1?= =?us-ascii?Q?+d4bqDueo3jDM0aP+pWKH65706kwex6zjzAlilyx241yLuG2YSH9XUIGKvG1?= =?us-ascii?Q?oTczOj29XYo53jqRvUejNepSlrDXzgCQ1/XGPAJhJW6L2P34R5lCkWHGKnzJ?= =?us-ascii?Q?+mUO3J/fCixVEufsNDtWhw3rOty7HPG8ImOIE+WZcct71QoVUiGdn04yxY+8?= =?us-ascii?Q?uz6nhWEMj2XOVD1SySlv6Ydc2gMqH6RAiG7nBIeMZ6Olg1il3yC4NavwA8dv?= =?us-ascii?Q?l6yR35QZEtJkbFlVbQe+QKmPu9/1Kjt5bkc8PtwXen9qYaVgyCemRlAM/Hgb?= =?us-ascii?Q?uw3A/xgs3prswRFDy5sJOnwNojiEg/SES/8ao7BM8bNld45Uf565wvaYZQU7?= =?us-ascii?Q?gBj+JFxM8b3Yzt4mGc5S0yV6tYYSZFAhq9ch8xf/f8pyYL/zCXUwaPa0+hrf?= =?us-ascii?Q?GTVFfLkBItxza7oYY8LZoHAeP8dveBb3bERl6UgL9F7ZLAQchB6q+vVTFW+v?= =?us-ascii?Q?R/hMN5jOTvdD3WjlWXOXIjjXvVEr1byMW/hvqrCKVorr+SKyMEu542jHLING?= =?us-ascii?Q?45tA/3ugQ7FkwcERj3fberqD6JR29vyTvlxgzMT/6QmoG7SHs23hLGXqjR5d?= =?us-ascii?Q?JogkhgcinrjmdDAkXGNP20asALWg3+OGP0tKJlcgF6CWK6P5TxnKj0PpYiUE?= =?us-ascii?Q?KexX2amvguxCc2eq9tww9GGxIooHorrLmJ1uBYUeoGZ+GDXOjhgH?= X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1aea806c-1952-4ec3-5034-08df1a7b1154 X-MS-Exchange-CrossTenant-AuthSource: GV2PR04MB11799.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Sep 2026 20:33:18.5751 (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: QXSjYJ2aT0d34VYohyQEkqDlqJ2lgNo4WMr7R+6Jk+QjDIn/eiIoUMBrI9KdZ9EfshsmqcZaDlriO11OzfleF0CGCG2f9p3RuF8mrLAmgltxumUksV4yzDu3g0B28VrE X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS5PR04MB10020 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260924_133323_707822_49CECE34 X-CRM114-Status: GOOD ( 14.56 ) 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 Thu, Sep 03, 2026 at 10:16:14PM +0800, Peng Fan (OSS) wrote: > From: Peng Fan > > Replace the if/else pairs of __set_bit()/__clear_bit() in > sdma_config_ownership() with __assign_bit(), which does exactly the > same conditional set-or-clear in a single call. > > No functional change. > > Signed-off-by: Peng Fan > --- Reviewed-by: Frank Li > drivers/dma/imx-sdma.c | 17 +++-------------- > 1 file changed, 3 insertions(+), 14 deletions(-) > > diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c > index 63261ab6402b9..da565409beaaa 100644 > --- a/drivers/dma/imx-sdma.c > +++ b/drivers/dma/imx-sdma.c > @@ -710,20 +710,9 @@ static int sdma_config_ownership(struct sdma_channel *sdmac, > mcu = readl_relaxed(sdma->regs + SDMA_H_HOSTOVR); > dsp = readl_relaxed(sdma->regs + SDMA_H_DSPOVR); > > - if (dsp_override) > - __clear_bit(channel, &dsp); > - else > - __set_bit(channel, &dsp); > - > - if (event_override) > - __clear_bit(channel, &evt); > - else > - __set_bit(channel, &evt); > - > - if (mcu_override) > - __clear_bit(channel, &mcu); > - else > - __set_bit(channel, &mcu); > + __assign_bit(channel, &dsp, !dsp_override); > + __assign_bit(channel, &evt, !event_override); > + __assign_bit(channel, &mcu, !mcu_override); > > writel_relaxed(evt, sdma->regs + SDMA_H_EVTOVR); > writel_relaxed(mcu, sdma->regs + SDMA_H_HOSTOVR); > > -- > 2.34.1 >