From patchwork Fri Sep 13 11:45:42 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandru Ardelean X-Patchwork-Id: 11144185 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5499114DB for ; Fri, 13 Sep 2019 08:49:39 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 31F85208C0 for ; Fri, 13 Sep 2019 08:49:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="m9+3af1Y"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=analog.onmicrosoft.com header.i=@analog.onmicrosoft.com header.b="zQZu59kf" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 31F85208C0 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=analog.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ogRIh0B4dJT4ulfP//rrxImsBa7IXy5TbAwSbiCaXbQ=; b=m9+3af1YMMjDkO CRsC8Xa06dDpuzQ03gbcnMdbzM5jVDnjuyQ72FeXOI+M3ztY44kLlsZHsjSt90PbfU/959VJozAiw gJHfXNufu6M1UT04qfKSs9NRQsCYPl8MWTPs17zwjfTKHjf7Ky1bqXjr97ndKqqTefL699JxcW8op kl0sgHPep5wmctmVxHDvW84jAXa4egH5qjIOLj+Te4haHmh03JY2mTBb87OahI6lrYrzbgfwyjwV+ sRl33/hsG4pkyytOV72ilkg7aoDw8OSn3Cq8lI1mzngSP3xFOM+F+Bt+UYg9JrtMZ5wzFQ7PDHfgK D6gilopuqOMHa9A66stg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.2 #3 (Red Hat Linux)) id 1i8hGg-0005B2-Rc; Fri, 13 Sep 2019 08:49:27 +0000 Received: from mx0a-00128a01.pphosted.com ([148.163.135.77]) by bombadil.infradead.org with esmtps (Exim 4.92.2 #3 (Red Hat Linux)) id 1i8hDt-0002jC-GC for linux-arm-kernel@lists.infradead.org; Fri, 13 Sep 2019 08:46:36 +0000 Received: from pps.filterd (m0167089.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id x8D8gaAe015972; Fri, 13 Sep 2019 04:46:31 -0400 Received: from nam03-co1-obe.outbound.protection.outlook.com (mail-co1nam03lp2052.outbound.protection.outlook.com [104.47.40.52]) by mx0a-00128a01.pphosted.com with ESMTP id 2uytdksa6f-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Fri, 13 Sep 2019 04:46:31 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=GU0bJwiEo2gLUAlSjbI0/SV8Q94Dn8AYc6NL+7MlXoZ4UtCOJ3vNoLaXSHukye8xJ1/2Y6ojk4uwYwuOLidHq9NmqZy4k18ko8oDiSbtK9zOkOL2gujo865HilWXg18UovWAwx7I+vZ9UtV81PCzmXNGQmXWOGhEC2eWgH0Wan42Ra6Tqc0YjiiADbZDMXBnkCdgceeLPuhv6jfZ85i1nW1XKpL3zoMUvTr+lw1t/XyF22l/xQqaiz+aCH77q/85nspnmqrcEOlgWSP9X2OZCUDf2JxWjxG03wvMRq0A7BoCunET534xjj/VKEgVRoyWwb2XeNo8bYuL5ox4bGiBjg== 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=jZSDTjpFf1yZc16/IDU9rKofLB8/ySMkTzgyv2YEtVU=; b=fmqdr89Pys4zAwQ+l8WzDY1Zj3UJMglpgqLiSnbi9B5cRWiFenKMTAY2w7CP7ajG8n0ERE9aOROIUyzuC7j+opboyHDVzXA9TNkW6JpeOYPoYRh4GAxJHF2NPfUqXUM+91hBktRC6PzrwO3nQ5pHLjMSs5zNERoBkl93mfDH9bMnwiDUkg/zvUUUBF1UeMUE0V2kq6qKG3ynRtq1BG/3FXQE5pDC/Pd1Ee+nZYpNW4DEgWCLx3YJUsGDbe3r62BNimd+1znMb/kBnfNNb8GtsyHADWCK7Pp8OoCxJwf+tKip8rSxgL6kT0rfCTOAdoZiuggX260BBJhbRmZ9UDSoZA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 137.71.25.57) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=analog.com; dmarc=bestguesspass action=none header.from=analog.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=analog.onmicrosoft.com; s=selector2-analog-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=jZSDTjpFf1yZc16/IDU9rKofLB8/ySMkTzgyv2YEtVU=; b=zQZu59kf//DDNYsEcv1ThQzjxknwdaZZDdH97quPqqBAuC6jMIVnYvaS+pxv/pMVDmi1YQJwKzmpkXsOwm3y4GTYsZ0lVvAQfJyHG6zTAB0Mbin4gnM3+2+1ZYthebkETdAMkUCFv8mUYHGjN6QB1YjtBMwugrs7eCxshkb6x8k= Received: from DM5PR03CA0049.namprd03.prod.outlook.com (2603:10b6:4:3b::38) by DM6PR03MB3611.namprd03.prod.outlook.com (2603:10b6:5:b6::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2241.18; Fri, 13 Sep 2019 08:46:29 +0000 Received: from CY1NAM02FT008.eop-nam02.prod.protection.outlook.com (2a01:111:f400:7e45::209) by DM5PR03CA0049.outlook.office365.com (2603:10b6:4:3b::38) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2157.16 via Frontend Transport; Fri, 13 Sep 2019 08:46:29 +0000 Received-SPF: Pass (protection.outlook.com: domain of analog.com designates 137.71.25.57 as permitted sender) receiver=protection.outlook.com; client-ip=137.71.25.57; helo=nwd2mta2.analog.com; Received: from nwd2mta2.analog.com (137.71.25.57) by CY1NAM02FT008.mail.protection.outlook.com (10.152.75.59) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.20.2263.17 via Frontend Transport; Fri, 13 Sep 2019 08:46:28 +0000 Received: from NWD2HUBCAS7.ad.analog.com (nwd2hubcas7.ad.analog.com [10.64.69.107]) by nwd2mta2.analog.com (8.13.8/8.13.8) with ESMTP id x8D8kNKJ030677 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=OK); Fri, 13 Sep 2019 01:46:23 -0700 Received: from saturn.ad.analog.com (10.48.65.123) by NWD2HUBCAS7.ad.analog.com (10.64.69.107) with Microsoft SMTP Server id 14.3.408.0; Fri, 13 Sep 2019 04:46:27 -0400 From: Alexandru Ardelean To: , , , , , Subject: [RFC PATCH 07/15] spi: spidev: use new `word_delay` field for spi transfers Date: Fri, 13 Sep 2019 14:45:42 +0300 Message-ID: <20190913114550.956-8-alexandru.ardelean@analog.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190913114550.956-1-alexandru.ardelean@analog.com> References: <20190913114550.956-1-alexandru.ardelean@analog.com> MIME-Version: 1.0 X-ADIRoutedOnPrem: True X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:137.71.25.57; IPV:NLI; CTRY:US; EFV:NLI; SFV:NSPM; SFS:(10009020)(396003)(346002)(39860400002)(136003)(376002)(199004)(189003)(186003)(48376002)(8936002)(50226002)(336012)(426003)(126002)(446003)(476003)(86362001)(2201001)(2616005)(2870700001)(11346002)(7696005)(51416003)(76176011)(5660300002)(36756003)(6666004)(106002)(50466002)(486006)(26005)(54906003)(316002)(110136005)(1076003)(47776003)(70586007)(4326008)(44832011)(246002)(356004)(70206006)(8676002)(14444005)(2906002)(478600001)(305945005)(7636002)(7416002)(107886003)(81973001)(2101003); DIR:OUT; SFP:1101; SCL:1; SRVR:DM6PR03MB3611; H:nwd2mta2.analog.com; FPR:; SPF:Pass; LANG:en; PTR:nwd2mail11.analog.com; A:1; MX:1; X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 392e077a-1c0d-483a-8f05-08d73826de8f X-Microsoft-Antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(5600166)(711020)(4605104)(4709080)(1401327)(4618075)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(2017052603328); SRVR:DM6PR03MB3611; X-MS-TrafficTypeDiagnostic: DM6PR03MB3611: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:4941; X-Forefront-PRVS: 0159AC2B97 X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam-Message-Info: MvMnJZpD4UA27SawFtG1rCdEBzPabJd69SyMjrwoaQxTUXwnAJM5MksW/gV2+HtN58VFoDk7L25JWxILcSa6z9D6sx8B5O0hHyCX+b3PAmxflgSbvBEmN9bLlu+Z4TpwewWbvampLgMnKATAtaLt4lauoOEDfqkF1CyeQ5M+lkfToO1n/4gpUwEESG2FC8Ekwa8U8tVItUVXMQQeO8wnb8CFJb6jFKDec5ms11ewWchEY5/QIzuEA4dEO1EMxkLib5PxyZYgMuf/bC5J1fiTRIE1IgxSBLSO8hfzthRplJnB8xo+BdYmzDE7QJPPxf/d/VW0kI7wWdjfKs/ZIJAAT+PxyPZaONtuqC8q6Kj5JrgzRkk4T1tRl06onMkutmzLe6gx0rr3mb7YbM5YYzFJmsqMhMUy+QJFTL6BdcoWQO8= X-OriginatorOrg: analog.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Sep 2019 08:46:28.8756 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 392e077a-1c0d-483a-8f05-08d73826de8f X-MS-Exchange-CrossTenant-Id: eaa689b4-8f87-40e0-9c6f-7228de4d754a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=eaa689b4-8f87-40e0-9c6f-7228de4d754a; Ip=[137.71.25.57]; Helo=[nwd2mta2.analog.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR03MB3611 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.70,1.0.8 definitions=2019-09-13_05:2019-09-11,2019-09-13 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 bulkscore=0 mlxlogscore=769 spamscore=0 suspectscore=0 malwarescore=0 clxscore=1015 impostorscore=0 mlxscore=0 phishscore=0 adultscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1908290000 definitions=main-1909130083 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190913_014633_700023_2AC7697D X-CRM114-Status: GOOD ( 11.90 ) X-Spam-Score: -0.7 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [148.163.135.77 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: f.fainelli@gmail.com, baolin.wang@linaro.org, zhang.lyra@gmail.com, linus.walleij@linaro.org, broonie@kernel.org, orsonzhai@gmail.com, Alexandru Ardelean , jic23@kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The `word_delay` field had it's type changed to `struct spi_delay`. This allows users to specify nano-second or clock-cycle delays (if needed). Converting to use `word_delay` is straightforward: it's just assigning the value to `word_delay.value` and hard-coding the `word_delay.unit` to `SPI_DELAY_UNIT_USECS` This keeps the uapi for spidev un-changed. Changing it can be part of another changeset and discussion. Signed-off-by: Alexandru Ardelean --- drivers/spi/spidev.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index 255786f2e844..495319c2fa11 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -267,7 +267,8 @@ static int spidev_message(struct spidev_data *spidev, k_tmp->bits_per_word = u_tmp->bits_per_word; k_tmp->delay_usecs = u_tmp->delay_usecs; k_tmp->speed_hz = u_tmp->speed_hz; - k_tmp->word_delay_usecs = u_tmp->word_delay_usecs; + k_tmp->word_delay.value = u_tmp->word_delay_usecs; + k_tmp->word_delay.unit = SPI_DELAY_UNIT_USECS; if (!k_tmp->speed_hz) k_tmp->speed_hz = spidev->speed_hz; #ifdef VERBOSE