From patchwork Mon Jun 10 07:33:19 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eugen Hristev X-Patchwork-Id: 10984207 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 585501850 for ; Mon, 10 Jun 2019 07:33:45 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 44E6E28812 for ; Mon, 10 Jun 2019 07:33:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 38A8D28816; Mon, 10 Jun 2019 07:33:45 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A288C287EA for ; Mon, 10 Jun 2019 07:33:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388151AbfFJHdh (ORCPT ); Mon, 10 Jun 2019 03:33:37 -0400 Received: from esa4.microchip.iphmx.com ([68.232.154.123]:21628 "EHLO esa4.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388008AbfFJHdg (ORCPT ); Mon, 10 Jun 2019 03:33:36 -0400 Received-SPF: Pass (esa4.microchip.iphmx.com: domain of Eugen.Hristev@microchip.com designates 198.175.253.82 as permitted sender) identity=mailfrom; client-ip=198.175.253.82; receiver=esa4.microchip.iphmx.com; envelope-from="Eugen.Hristev@microchip.com"; x-sender="Eugen.Hristev@microchip.com"; x-conformance=spf_only; x-record-type="v=spf1"; x-record-text="v=spf1 mx a:ushub1.microchip.com a:smtpout.microchip.com a:mx1.microchip.iphmx.com a:mx2.microchip.iphmx.com include:servers.mcsv.net include:mktomail.com include:spf.protection.outlook.com ~all" Received-SPF: None (esa4.microchip.iphmx.com: no sender authenticity information available from domain of postmaster@email.microchip.com) identity=helo; client-ip=198.175.253.82; receiver=esa4.microchip.iphmx.com; envelope-from="Eugen.Hristev@microchip.com"; x-sender="postmaster@email.microchip.com"; x-conformance=spf_only Authentication-Results: esa4.microchip.iphmx.com; spf=Pass smtp.mailfrom=Eugen.Hristev@microchip.com; spf=None smtp.helo=postmaster@email.microchip.com; dkim=pass (signature verified) header.i=@microchiptechnology.onmicrosoft.com; dmarc=pass (p=none dis=none) d=microchip.com X-IronPort-AV: E=Sophos;i="5.63,573,1557212400"; d="scan'208";a="36272707" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa4.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 10 Jun 2019 00:33:28 -0700 Received: from chn-vm-ex04.mchp-main.com (10.10.87.151) by chn-vm-ex02.mchp-main.com (10.10.87.72) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1713.5; Mon, 10 Jun 2019 00:33:22 -0700 Received: from NAM05-BY2-obe.outbound.protection.outlook.com (10.10.215.89) by email.microchip.com (10.10.87.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.1713.5 via Frontend Transport; Mon, 10 Jun 2019 00:33:22 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=microchiptechnology.onmicrosoft.com; s=selector1-microchiptechnology-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=nT/RvVOS7HfJX2mL2DWOBOc9Y3YwqCH10I3oKmMPLFg=; b=iWjKQPuzh+1OnHuzGq4a+p03oE4pJV32+/M3K0SI82oB621G55DpS7h7ENQDxbvrrSSbWre0i0IArAbV1Q5MQakzVtLdCJwkkcKT6GIiSpksNu2ue2r4vqEqxLbGeMmFYRHD9hWMRZR07eYBfosDNwx/6K3IgMr8teDIZHDFyRk= Received: from DM5PR11MB1242.namprd11.prod.outlook.com (10.168.108.8) by DM5PR11MB0057.namprd11.prod.outlook.com (10.164.155.138) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1965.12; Mon, 10 Jun 2019 07:33:19 +0000 Received: from DM5PR11MB1242.namprd11.prod.outlook.com ([fe80::2807:f606:3b7c:cce9]) by DM5PR11MB1242.namprd11.prod.outlook.com ([fe80::2807:f606:3b7c:cce9%9]) with mapi id 15.20.1965.017; Mon, 10 Jun 2019 07:33:19 +0000 From: To: , , , , CC: Subject: [PATCH v4 2/2] media: atmel: atmel-sama5d2-isc: fixed checkpatch warnings Thread-Topic: [PATCH v4 2/2] media: atmel: atmel-sama5d2-isc: fixed checkpatch warnings Thread-Index: AQHVH17GIKx4fa+Jn0q5K1bk3HE+OQ== Date: Mon, 10 Jun 2019 07:33:19 +0000 Message-ID: <1560151741-2574-2-git-send-email-eugen.hristev@microchip.com> References: <1560151741-2574-1-git-send-email-eugen.hristev@microchip.com> In-Reply-To: <1560151741-2574-1-git-send-email-eugen.hristev@microchip.com> Accept-Language: ro-RO, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: VI1PR0901CA0102.eurprd09.prod.outlook.com (2603:10a6:800:7e::28) To DM5PR11MB1242.namprd11.prod.outlook.com (2603:10b6:3:14::8) x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: git-send-email 2.7.4 x-originating-ip: [94.177.32.154] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: f878d904-1722-4c5c-47b8-08d6ed75e8d8 x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(2017052603328)(7193020);SRVR:DM5PR11MB0057; x-ms-traffictypediagnostic: DM5PR11MB0057: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:6790; x-forefront-prvs: 0064B3273C x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(39860400002)(346002)(366004)(136003)(396003)(376002)(51234002)(199004)(189003)(86362001)(3846002)(486006)(107886003)(2201001)(6436002)(14444005)(25786009)(6512007)(102836004)(6116002)(6506007)(386003)(256004)(66066001)(8676002)(110136005)(81166006)(476003)(6486002)(81156014)(76176011)(53936002)(316002)(64756008)(66446008)(72206003)(478600001)(11346002)(8936002)(99286004)(26005)(66556008)(446003)(66476007)(66946007)(2616005)(73956011)(4326008)(71190400001)(52116002)(2906002)(36756003)(71200400001)(50226002)(305945005)(2501003)(68736007)(186003)(7736002)(5660300002)(14454004);DIR:OUT;SFP:1101;SCL:1;SRVR:DM5PR11MB0057;H:DM5PR11MB1242.namprd11.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: microchip.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: 30LeaC8cXljPF6E2dyac45o9pStcdWc/zcbZU7aQKM21hGnfWyRwpx7bOhfTGgwWuQOEl6VWIY/sVVpJ5VY6cu95wDwcbEvNoB7t21pQ+6ZbBHdXNx8D1+ORrYoGKARKgaucZ8/tNWYi2/lwbM6vg2igHkudsnhlcV5CIPTqlxBi7ISx6aARjCKKGlG8kgdlbRVrHjkTZmrggXv2B2Yud95/AxGMpdv6VKZXAKvemFKTgr9k3T+UiD4DAFEXGbEwWnq3d4yZnjHtHSzb8h4eYOhTBXjZwWizsFL7MtQWyclS/gkUMue4RKIMXiQaVDoTi9G9zSFrYBOtL2ltbx47AMr0QyjHSLsAwCrFeGxUXBrSBD515oQL0E3LwLK1c14/89cR9ff5ig2Cbl6z5g+sshWvDgmH5iiAAohQLJT30Yc= MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: f878d904-1722-4c5c-47b8-08d6ed75e8d8 X-MS-Exchange-CrossTenant-originalarrivaltime: 10 Jun 2019 07:33:19.6261 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3f4057f3-b418-4d4e-ba84-d55b4e897d88 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: eugen.hristev@microchip.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR11MB0057 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Eugen Hristev Checkpatch complaining that locks do not have comments, unaligned code and macro reuse of same argument in to_isc_clk. Fixed them by renaming, realigning and adding struct comments Signed-off-by: Eugen Hristev --- Changes in v4: - s/sync/serialize as requested by Sakari Changes in v3: - new patch, addresses the checkpatch issues that Hans asked to fix drivers/media/platform/atmel/atmel-isc.h | 51 +++++++++++++++++++++--- drivers/media/platform/atmel/atmel-sama5d2-isc.c | 4 +- 2 files changed, 48 insertions(+), 7 deletions(-) diff --git a/drivers/media/platform/atmel/atmel-isc.h b/drivers/media/platform/atmel/atmel-isc.h index f633e10..5be5b09 100644 --- a/drivers/media/platform/atmel/atmel-isc.h +++ b/drivers/media/platform/atmel/atmel-isc.h @@ -24,14 +24,14 @@ struct isc_clk { struct clk_hw hw; struct clk *clk; struct regmap *regmap; - spinlock_t lock; + spinlock_t lock; /* serialize access to clock registers */ u8 id; u8 parent_id; u32 div; struct device *dev; }; -#define to_isc_clk(hw) container_of(hw, struct isc_clk, hw) +#define to_isc_clk(v) container_of(v, struct isc_clk, hw) struct isc_buffer { struct vb2_v4l2_buffer vb; @@ -146,6 +146,47 @@ struct isc_ctrls { #define ISC_PIPE_LINE_NODE_NUM 11 +/* + * struct isc_device - ISC device driver data/config struct + * @regmap: Register map + * @hclock: Hclock clock input (refer datasheet) + * @ispck: iscpck clock (refer datasheet) + * @isc_clks: ISC clocks + * + * @dev: Registered device driver + * @v4l2_dev: v4l2 registered device + * @video_dev: registered video device + * + * @vb2_vidq: video buffer 2 video queue + * @dma_queue_lock: lock to serialize the dma buffer queue + * @dma_queue: the queue for dma buffers + * @cur_frm: current isc frame/buffer + * @sequence: current frame number + * @stop: true if isc is not streaming, false if streaming + * @comp: completion reference that signals frame completion + * + * @fmt: current v42l format + * @user_formats: list of formats that are supported and agreed with sd + * @num_user_formats: how many formats are in user_formats + * + * @config: current ISC format configuration + * @try_config: the current ISC try format , not yet activated + * + * @ctrls: holds information about ISC controls + * @do_wb_ctrl: control regarding the DO_WHITE_BALANCE button + * @awb_work: workqueue reference for autowhitebalance histogram + * analysis + * + * @lock: lock for serializing userspace file operations + * with ISC operations + * @awb_lock: lock for serializing awb work queue operations + * with DMA/buffer operations + * + * @pipeline: configuration of the ISC pipeline + * + * @current_subdev: current subdevice: the sensor + * @subdev_entities: list of subdevice entitites + */ struct isc_device { struct regmap *regmap; struct clk *hclock; @@ -157,7 +198,7 @@ struct isc_device { struct video_device video_dev; struct vb2_queue vb2_vidq; - spinlock_t dma_queue_lock; + spinlock_t dma_queue_lock; /* serialize access to dma queue */ struct list_head dma_queue; struct isc_buffer *cur_frm; unsigned int sequence; @@ -175,8 +216,8 @@ struct isc_device { struct v4l2_ctrl *do_wb_ctrl; struct work_struct awb_work; - struct mutex lock; - spinlock_t awb_lock; + struct mutex lock; /* serialize access to file operations */ + spinlock_t awb_lock; /* serialize access to DMA buffers from awb work queue */ struct regmap_field *pipeline[ISC_PIPE_LINE_NODE_NUM]; diff --git a/drivers/media/platform/atmel/atmel-sama5d2-isc.c b/drivers/media/platform/atmel/atmel-sama5d2-isc.c index 93fb839..127e79c 100644 --- a/drivers/media/platform/atmel/atmel-sama5d2-isc.c +++ b/drivers/media/platform/atmel/atmel-sama5d2-isc.c @@ -87,8 +87,8 @@ static int isc_parse_dt(struct device *dev, struct isc_device *isc) break; } - subdev_entity = devm_kzalloc(dev, - sizeof(*subdev_entity), GFP_KERNEL); + subdev_entity = devm_kzalloc(dev, sizeof(*subdev_entity), + GFP_KERNEL); if (!subdev_entity) { of_node_put(rem); ret = -ENOMEM;