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 X-Spam-Level: X-Spam-Status: No, score=-3.7 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4E9B9C2D0EA for ; Thu, 9 Apr 2020 08:59:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 08F3F2075E for ; Thu, 9 Apr 2020 08:59:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=renesasgroup.onmicrosoft.com header.i=@renesasgroup.onmicrosoft.com header.b="ena2zM79" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726536AbgDII7B (ORCPT ); Thu, 9 Apr 2020 04:59:01 -0400 Received: from mail-eopbgr1400102.outbound.protection.outlook.com ([40.107.140.102]:5920 "EHLO JPN01-TY1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726707AbgDII7A (ORCPT ); Thu, 9 Apr 2020 04:59:00 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=diLysHeWkTV7Cneu6zUb0kHCwUQx73RtE8enwLIbPfO3XQW+7kf8WM/T/TCHikGtggWDuz65j3KKW74bZ1WyDVAH2t+dwYQEIlictU8OBzlvsZ6eVR+aJhFW2P9uCV2fjhxpcDEZ/toD12/bT8Aq7NF62BuK8mr1fDja6oFf9JPmDK6quhS4g10LkiD/IjjQax1xpqOsdJk+hTcsdFrrt23WI27VXEC2Gu2bDi8pwyrJFMnHQfR1yarizD6vIeuoRKSSxK3y3bMWaJQQ+EahhcwL3jacqw5WEqzG7dKLfBXBBXwOuzsJlW8n15UyPXibnKBUPXAzqFybWPNVFkTVDw== 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-SenderADCheck; bh=MuSl/j80HFnudn/Tbcr5KhXVHqOUfovlcJGMcjLTJXI=; b=OCRNjwbnYE3ZlAL5GYAARiVyT4uX+x1ZvTojkFuu4aQHe+w+mCtWlq5kbXTPWCMG0TnHogSsyNwGWkzFts9F4IKCI2HmzoL7t4F/qw/eoJzyDFtwRmPjqybCpUAI4QeWXkgscBt2kT7C4aOSpdipIpwM4ypx1BspJDC3ttwc8OEoYXsv9bqjm2cgc56nzYZyaTxB6QV0kWIaJ1AbLesp7E8c+oXkGoF3vSmXPd/zYChRXJrT3KCwP6heWfCHmZ2QcK8qkRs1zLQhLj/dgADWhMg7Wyj6JP/rRKvbS1SFL3+6bXKH/oo7Fo0JV7AKqDNNYLymq3liywTHSubkcrCVMg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=renesas.com; dmarc=pass action=none header.from=renesas.com; dkim=pass header.d=renesas.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=renesasgroup.onmicrosoft.com; s=selector2-renesasgroup-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=MuSl/j80HFnudn/Tbcr5KhXVHqOUfovlcJGMcjLTJXI=; b=ena2zM79i+WU3HOR3Jfsirj8v/4YM5I17I4pg7VGmeHejt+TYESmMu2iMziaUUl04LUJpjkm/TV0ijMH/L0o1AOdv1i0E19Nnt79a0uB86Xlucr5p+oaISdkAMPR7ZYqePei3kV90ZDOqx784euaex9nn6zkcxlsPIBG8yDHypI= Received: from TYAPR01MB4544.jpnprd01.prod.outlook.com (20.179.175.203) by TYAPR01MB3725.jpnprd01.prod.outlook.com (20.178.138.20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2878.15; Thu, 9 Apr 2020 08:58:58 +0000 Received: from TYAPR01MB4544.jpnprd01.prod.outlook.com ([fe80::ed7f:1268:55a9:fc06]) by TYAPR01MB4544.jpnprd01.prod.outlook.com ([fe80::ed7f:1268:55a9:fc06%4]) with mapi id 15.20.2900.015; Thu, 9 Apr 2020 08:58:58 +0000 From: Yoshihiro Shimoda To: Wolfram Sang , "linux-mmc@vger.kernel.org" CC: "linux-renesas-soc@vger.kernel.org" Subject: RE: [PATCH v2 1/3] mmc: renesas_sdhi: refactor calculation of best TAP Thread-Topic: [PATCH v2 1/3] mmc: renesas_sdhi: refactor calculation of best TAP Thread-Index: AQHWDYqjLFOfg/E2dUWrWBJ2QLsz/ahwfvdw Date: Thu, 9 Apr 2020 08:58:58 +0000 Message-ID: References: <20200408094638.10375-1-wsa+renesas@sang-engineering.com> <20200408094638.10375-2-wsa+renesas@sang-engineering.com> In-Reply-To: <20200408094638.10375-2-wsa+renesas@sang-engineering.com> Accept-Language: ja-JP, en-US Content-Language: ja-JP X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=yoshihiro.shimoda.uh@renesas.com; x-originating-ip: [124.210.22.195] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 82319686-c8aa-4aff-0b10-08d7dc643d88 x-ms-traffictypediagnostic: TYAPR01MB3725: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:7219; x-forefront-prvs: 0368E78B5B x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:TYAPR01MB4544.jpnprd01.prod.outlook.com;PTR:;CAT:NONE;SFTY:;SFS:(10019020)(4636009)(39860400002)(136003)(346002)(366004)(396003)(376002)(478600001)(4744005)(8936002)(186003)(33656002)(81156014)(26005)(316002)(71200400001)(4326008)(66476007)(9686003)(5660300002)(64756008)(52536014)(55016002)(76116006)(110136005)(8676002)(2906002)(55236004)(66446008)(66556008)(81166007)(6506007)(7696005)(66946007)(86362001);DIR:OUT;SFP:1102; received-spf: None (protection.outlook.com: renesas.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: VE/LkcIdO000WfzBcQQAaLNEKn7K+19Fl3kps7/nwrhAtUX/TzOdp8lTZi8ohMA+Qf+Aiuvnv0ZlggiVDTr5kF/enGUgC9W4u01VAPQPaZXAxPqUcNG+runIPLOgW9rfod3Sc1yBmEEjEpGz2VhIOr1godhj+B9ejnB6x0Xhx3HVO1OR6SabByAFvv7cQ92rWvVLsEzSA+2StrqHtgF3K8CcU4PgyhiSdk6EBGAOIj2+DuEcQsPepgnSys1AqMjRgwp8e27I0SqoCTiV1y6J39W4yNvFJSS7O8G45NzA3UeHhSo8SMJcNjTUBjX1fEs+r93TwEXma2OVjsio6LcvUuhUtKEZX2YLYszaAlO2Hg88Jg9PVrnZMvVd/ZzNTxr9whyIgkD0KFo58gkEYbPBnlCzJIhUfFm/2Ct/PL9UeklE7yakyWQk2giSL76BB/kh x-ms-exchange-antispam-messagedata: j8pcVAW3+L0nZsq1v3ccDiy2o9YLIs5MqG7wtFm7by5MJstr8rVIHgaGaGLjDHwGfMz7w5pzT6A3k05uh1cul/1+MMMxkYdLATVN2Ulxq+2QWFFhy/7KYT4vIVEWH/VlNTAnqpx3pdRcgryCKTDw4w== x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: renesas.com X-MS-Exchange-CrossTenant-Network-Message-Id: 82319686-c8aa-4aff-0b10-08d7dc643d88 X-MS-Exchange-CrossTenant-originalarrivaltime: 09 Apr 2020 08:58:58.1611 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 53d82571-da19-47e4-9cb4-625a166a4a2a X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: C6FJZ2HQydTAvd2WDCuigdEZNYEOx6SUSDYnqQiHrmE/+ooglpYE6epJQ9U76syRQWKgCA865IEV7lLhVUzO5De/9f/jh6i757ThPzDxOsRD0x9PGTnqbjAm+7VmFPDW X-MS-Exchange-Transport-CrossTenantHeadersStamped: TYAPR01MB3725 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Hi Wolfram-san, > From: Wolfram Sang, Sent: Wednesday, April 8, 2020 6:47 PM >=20 > To select the best TAP, we need to find the longest stream of set bits > in a bit field. There is now a helper function for bitmaps which > iterates over all region of set bits. Using it makes the code much more > concise and easier to understand. Double so, because we need to handle > two bitmaps in the near future. Remove a superfluous comment while here. >=20 > Signed-off-by: Wolfram Sang Thank you for the patch! Reviewed-by: Yoshihiro Shimoda Best regards, Yoshihiro Shimoda