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GET /api/1.1/patches/2227593/?format=api
{ "id": 2227593, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2227593/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-gpio/patch/20260424-ds90ub953-v6-4-7a84efbab316@oss.nxp.com/", "project": { "id": 42, "url": "http://patchwork.ozlabs.org/api/1.1/projects/42/?format=api", "name": "Linux GPIO development", "link_name": "linux-gpio", "list_id": "linux-gpio.vger.kernel.org", "list_email": "linux-gpio@vger.kernel.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20260424-ds90ub953-v6-4-7a84efbab316@oss.nxp.com>", "date": "2026-04-24T01:42:27", "name": "[v6,4/4] media: i2c: ds90ub953: use guard() to simplify code", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "707abb29bd9edc9a23b8f6d63c3b440d554e4cd3", "submitter": { "id": 86694, "url": "http://patchwork.ozlabs.org/api/1.1/people/86694/?format=api", "name": "Guoniu Zhou", "email": "guoniu.zhou@oss.nxp.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-gpio/patch/20260424-ds90ub953-v6-4-7a84efbab316@oss.nxp.com/mbox/", "series": [ { "id": 501274, "url": "http://patchwork.ozlabs.org/api/1.1/series/501274/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-gpio/list/?series=501274", "date": "2026-04-24T01:42:23", "name": "media: i2c: ds90ub953: Add back channel GPIO support", "version": 6, "mbox": "http://patchwork.ozlabs.org/series/501274/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2227593/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2227593/checks/", "tags": {}, "headers": { "Return-Path": "\n <linux-gpio+bounces-35452-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-gpio@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) 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header.from=oss.nxp.com;\n dkim=pass header.d=oss.nxp.com; arc=none" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=NXP1.onmicrosoft.com;\n s=selector1-NXP1-onmicrosoft-com;\n h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n bh=09BkqVNIF6Vem0C1TjyDSHBfBYFKTOtLVRkiaoEl6HU=;\n b=K300MvX9DnCHZsqaX/SnVaG4JZWRTbcUfX8qDfHa8Ujzz2o+F0LjAZKpWOhtMh90QynVrYj51BBXI/yDF/eOyZuNpRlWiwj32Or5/gfjReCFZmBB1FGbLA/Jb5fPvERvlr/+T4URjdDPOn1ep6e7AOaOT+knRk9KTFEdEChtp56MUsXArp7m4SCs6ici4gmWFBLc7Yqjnee5szLqhmcrDYV09TQ4/JR7tH/Y991vMvWw7HAFTQSHVhbxsb5+nYR39+dr47sbgwf1U/pWmpX2nSiyaYz7y11RGFGpSudZiGz5zBOIH7P2rX0USq6L9ddjaE0gGjSKlfRQQYtJ7L0tZA==", "From": "Guoniu Zhou <guoniu.zhou@oss.nxp.com>", "Date": "Fri, 24 Apr 2026 09:42:27 +0800", "Subject": "[PATCH v6 4/4] media: i2c: ds90ub953: use guard() to simplify code", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "<20260424-ds90ub953-v6-4-7a84efbab316@oss.nxp.com>", "References": "<20260424-ds90ub953-v6-0-7a84efbab316@oss.nxp.com>", "In-Reply-To": "<20260424-ds90ub953-v6-0-7a84efbab316@oss.nxp.com>", "To": "Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>,\n Mauro Carvalho Chehab <mchehab@kernel.org>, Rob Herring <robh@kernel.org>,\n Krzysztof Kozlowski <krzk+dt@kernel.org>,\n Conor Dooley <conor+dt@kernel.org>, Frank Li <Frank.Li@nxp.com>,\n Vladimir Zapolskiy <vz@mleia.com>, Linus Walleij <linusw@kernel.org>,\n Bartosz Golaszewski <brgl@kernel.org>", "Cc": "linux-media@vger.kernel.org, devicetree@vger.kernel.org,\n linux-kernel@vger.kernel.org, imx@lists.linux.dev,\n linux-gpio@vger.kernel.org, Guoniu Zhou <guoniu.zhou@nxp.com>", "X-Mailer": "b4 0.14.0", "X-Developer-Signature": "v=1; a=ed25519-sha256; t=1776994953; l=3323;\n i=guoniu.zhou@oss.nxp.com; s=20250815; h=from:subject:message-id;\n bh=wDpgp0zs1QklpvdTjPRwbQWwrPv5sdN6HH2vrTqJEG4=;\n 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"=?utf-8?q?q0mV7u4sSAVvFpqgUf1R9DqlqGzg?=\n\t=?utf-8?q?vCwyaWx/OrnIcCflUcrp71yNRzt6Lp0ngU3TsJYFnGwYgvdpb5Wect9W37AaXZVj7?=\n\t=?utf-8?q?DvAVwrMh2o6dzaJ61+i8J/jgbWizADTIlvTDpOpBwyB0p8dfq3jw7s3IGs1QhV1Ra?=\n\t=?utf-8?q?pQwC+pIb9Hp1sLhuXWzYiWyk2ImH6JLelTXGbdLj1wE/m31qIMyBp7xbjMWattZy9?=\n\t=?utf-8?q?nrswMW5X3BEc8Kb86WSgFC/kIgXUbMwmWq1aAWX5A2PoijYbca8Nbzxlh87m2R550?=\n\t=?utf-8?q?toD5JK9+P0uIda1xMFpo6GlFbe1kcdQgsjzGPvGFvd8L+8aSUP0XvKjH3jNQ1PD+U?=\n\t=?utf-8?q?PmcksXpEHtUyEaNLaGFKH0VKZ3hIn88Y3CihblB7dsbmQcNHeRacslbsNb0wxOhtv?=\n\t=?utf-8?q?SFW5VeXSCblqw9GoUPJjrxP2a37jC51MQISfnsiD4xer+nL6NJvW5Nv0F1N7GRaiu?=\n\t=?utf-8?q?Vg3IO9SPvhL5Yn6hWPtA1usBFuKL03ehkrbK9G2iy4D0qoI9rfg6FSl+gN1gX2gU8?=\n\t=?utf-8?q?6z05D97VTXS0lYUMMjSA1w+lMt7wvWuQIEPPeIIKMzIDqAfZl6CHz600fh+gRKgnE?=\n\t=?utf-8?q?aTsj3GY7auTm0A/X0wCgIxMdpvfcvItXd5ny/UJZy0bTuG+fLf2S7zg4oYu3KA1eh?=\n\t=?utf-8?q?dzVVY1zWvSmde0TUwmFk+nt3QcStOYS74Apgc24B1EI14eql4sJgOO8OiecleV1rx?=\n\t=?utf-8?q?G9Wn4SGg1i8h2UbQIpuHjcHzQGPN39wM+iPpxCNRlZdeeXMzBaX33pgnek8VtFBqE?=\n\t=?utf-8?q?OF0jYkTv1WQ78QFkymm9dKsZU9/qi17A2dyzaQYv3cps2tnUsqGbxVmfXrrUrhdB/?=\n\t=?utf-8?q?dRYOPiQpq0TGDGZRljaF6orIwog4120SojTcqVDT9ivMYtq8I9aGvTuCt9GVAZhyC?=\n\t=?utf-8?q?8kAWYN895YuQHvLEzrOmKfL/a+bBS2bqS84nDn/+WqmXncAWecgRobrulnoeIXBCl?=\n\t=?utf-8?q?UH6N9ArkdnPB9o7SQ4h7VCkHgVT+qXQqpL/8sk5WPelnxTUZnPSremp/O/LJfoThv?=\n\t=?utf-8?q?R8njVFrm4Yg/l7vMZgnNOLVwm7xeicdNtNXAvJ2JlE9uDJ4t5QUhAg4+9DssVIGX7?=\n\t=?utf-8?q?aqdx5JnB9Oyjxf9R0hTVfG9C+8ht4ABBCVP8dvHhkOhwlST46f2uROA8QWYhLIotL?=\n\t=?utf-8?q?LncWF18WgaPgiuC4zgbXPrZd/29auNL6lW4pkWpY6zUJiYGbaSo77wAhv4n/XEGQR?=\n\t=?utf-8?q?zEJ+bnmb1Fa+K8D8fxCDyBQLSCe75p9hNGlwkxUUOoE4cidgz5zFZM+7KFIP51UgW?=\n\t=?utf-8?q?r15RCvhlqE/11+sVUBux4qI6ACWRQZfLfqwNZGCEizI7xOeMPiSwK9AZqq/ZZoctq?=\n\t=?utf-8?q?wntwfJKaQE4dKjCGCHMI5bwtoR8mw8wMf/vEjowI7qTaggRLf4OnRKwry3sbjRcrt?=\n\t=?utf-8?q?ALDtDUWIfulMByMYvoLQGMymVMVjdA2hTeXFOCQ2qP4eGzRegioyNDtM2Npv6/MWJ?=\n\t=?utf-8?q?wcHTIcgdzTd5QgKQMn9slGj5TFg2yxie02anzn0X2GMY92uZcS6AlkA+P54gtGfLR?=\n\t=?utf-8?q?HWedlV0p1UmJNLDG77jkzQygzVVnmWUzW/usJTlchVyEJydbYS+S/ah1CAdJGR4dp?=\n\t=?utf-8?q?RSF2Cqw6a7zwV42cmg/OQumkcD+nBWEti53L+nbmLNhwJ3Pq4W5ViagQ38+/C334P?=\n\t=?utf-8?q?d/hdrI7AHMhP0aaODaDZ52HacrLWK9gw=3D=3D?=", "X-OriginatorOrg": "oss.nxp.com", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 6d05b25d-59b8-498f-e6f1-08dea1a26d66", "X-MS-Exchange-CrossTenant-AuthSource": "AS8PR04MB9080.eurprd04.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Internal", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "24 Apr 2026 01:40:12.6509\n (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": "\n Uow1FgpajdVKxzMnnUASxWEr3BNSQIRJGTcS3GiuUbOHpSbuNPh1INuGrcT4DOVBGxOJxAFBfvpNkQ4Hum9QWw==", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "VE1PR04MB7455" }, "content": "From: Guoniu Zhou <guoniu.zhou@nxp.com>\n\nUse guard() to simplify mutex locking. No functional change.\n\nReviewed-by: Frank Li <Frank.Li@nxp.com>\nSigned-off-by: Guoniu Zhou <guoniu.zhou@nxp.com>\n---\nChanges in v6:\n- Replace label \"err\" with \"out\"\n---\n drivers/media/i2c/ds90ub953.c | 34 +++++++++++++---------------------\n 1 file changed, 13 insertions(+), 21 deletions(-)", "diff": "diff --git a/drivers/media/i2c/ds90ub953.c b/drivers/media/i2c/ds90ub953.c\nindex c37d9cbe88b9..a351d366cc3e 100644\n--- a/drivers/media/i2c/ds90ub953.c\n+++ b/drivers/media/i2c/ds90ub953.c\n@@ -114,20 +114,18 @@ static int ub953_read(struct ub953_data *priv, u8 reg, u8 *val, int *err)\n \tif (err && *err)\n \t\treturn *err;\n \n-\tmutex_lock(&priv->reg_lock);\n+\tguard(mutex)(&priv->reg_lock);\n \n \tret = regmap_read(priv->regmap, reg, &v);\n \tif (ret) {\n \t\tdev_err(&priv->client->dev, \"Cannot read register 0x%02x: %d\\n\",\n \t\t\treg, ret);\n-\t\tgoto out_unlock;\n+\t\tgoto out;\n \t}\n \n \t*val = v;\n \n-out_unlock:\n-\tmutex_unlock(&priv->reg_lock);\n-\n+out:\n \tif (ret && err)\n \t\t*err = ret;\n \n@@ -141,15 +139,13 @@ static int ub953_write(struct ub953_data *priv, u8 reg, u8 val, int *err)\n \tif (err && *err)\n \t\treturn *err;\n \n-\tmutex_lock(&priv->reg_lock);\n+\tguard(mutex)(&priv->reg_lock);\n \n \tret = regmap_write(priv->regmap, reg, val);\n \tif (ret)\n \t\tdev_err(&priv->client->dev,\n \t\t\t\"Cannot write register 0x%02x: %d\\n\", reg, ret);\n \n-\tmutex_unlock(&priv->reg_lock);\n-\n \tif (ret && err)\n \t\t*err = ret;\n \n@@ -186,18 +182,18 @@ static int ub953_read_ind(struct ub953_data *priv, u8 block, u8 reg, u8 *val,\n \tif (err && *err)\n \t\treturn *err;\n \n-\tmutex_lock(&priv->reg_lock);\n+\tguard(mutex)(&priv->reg_lock);\n \n \tret = ub953_select_ind_reg_block(priv, block);\n \tif (ret)\n-\t\tgoto out_unlock;\n+\t\tgoto out;\n \n \tret = regmap_write(priv->regmap, UB953_REG_IND_ACC_ADDR, reg);\n \tif (ret) {\n \t\tdev_err(&priv->client->dev,\n \t\t\t\"Write to IND_ACC_ADDR failed when reading %u:0x%02x: %d\\n\",\n \t\t\tblock, reg, ret);\n-\t\tgoto out_unlock;\n+\t\tgoto out;\n \t}\n \n \tret = regmap_read(priv->regmap, UB953_REG_IND_ACC_DATA, &v);\n@@ -205,14 +201,12 @@ static int ub953_read_ind(struct ub953_data *priv, u8 block, u8 reg, u8 *val,\n \t\tdev_err(&priv->client->dev,\n \t\t\t\"Write to IND_ACC_DATA failed when reading %u:0x%02x: %d\\n\",\n \t\t\tblock, reg, ret);\n-\t\tgoto out_unlock;\n+\t\tgoto out;\n \t}\n \n \t*val = v;\n \n-out_unlock:\n-\tmutex_unlock(&priv->reg_lock);\n-\n+out:\n \tif (ret && err)\n \t\t*err = ret;\n \n@@ -228,18 +222,18 @@ static int ub953_write_ind(struct ub953_data *priv, u8 block, u8 reg, u8 val,\n \tif (err && *err)\n \t\treturn *err;\n \n-\tmutex_lock(&priv->reg_lock);\n+\tguard(mutex)(&priv->reg_lock);\n \n \tret = ub953_select_ind_reg_block(priv, block);\n \tif (ret)\n-\t\tgoto out_unlock;\n+\t\tgoto out;\n \n \tret = regmap_write(priv->regmap, UB953_REG_IND_ACC_ADDR, reg);\n \tif (ret) {\n \t\tdev_err(&priv->client->dev,\n \t\t\t\"Write to IND_ACC_ADDR failed when writing %u:0x%02x: %d\\n\",\n \t\t\tblock, reg, ret);\n-\t\tgoto out_unlock;\n+\t\tgoto out;\n \t}\n \n \tret = regmap_write(priv->regmap, UB953_REG_IND_ACC_DATA, val);\n@@ -249,9 +243,7 @@ static int ub953_write_ind(struct ub953_data *priv, u8 block, u8 reg, u8 val,\n \t\t\tblock, reg, ret);\n \t}\n \n-out_unlock:\n-\tmutex_unlock(&priv->reg_lock);\n-\n+out:\n \tif (ret && err)\n \t\t*err = ret;\n \n", "prefixes": [ "v6", "4/4" ] }