get:
Show a patch.

patch:
Update a patch.

put:
Update a patch.

GET /api/patches/815184/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 815184,
    "url": "http://patchwork.ozlabs.org/api/patches/815184/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/20170918214128.27896-6-f.fainelli@gmail.com/",
    "project": {
        "id": 7,
        "url": "http://patchwork.ozlabs.org/api/projects/7/?format=api",
        "name": "Linux network development",
        "link_name": "netdev",
        "list_id": "netdev.vger.kernel.org",
        "list_email": "netdev@vger.kernel.org",
        "web_url": null,
        "scm_url": null,
        "webscm_url": null,
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20170918214128.27896-6-f.fainelli@gmail.com>",
    "list_archive_url": null,
    "date": "2017-09-18T21:41:21",
    "name": "[net-next,05/12] net: dsa: b53: Use a macro to define I/O operations",
    "commit_ref": null,
    "pull_url": null,
    "state": "changes-requested",
    "archived": true,
    "hash": "2ff8c0681807492f4983cb70ed34220966f100a9",
    "submitter": {
        "id": 2800,
        "url": "http://patchwork.ozlabs.org/api/people/2800/?format=api",
        "name": "Florian Fainelli",
        "email": "f.fainelli@gmail.com"
    },
    "delegate": {
        "id": 34,
        "url": "http://patchwork.ozlabs.org/api/users/34/?format=api",
        "username": "davem",
        "first_name": "David",
        "last_name": "Miller",
        "email": "davem@davemloft.net"
    },
    "mbox": "http://patchwork.ozlabs.org/project/netdev/patch/20170918214128.27896-6-f.fainelli@gmail.com/mbox/",
    "series": [
        {
            "id": 3739,
            "url": "http://patchwork.ozlabs.org/api/series/3739/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/netdev/list/?series=3739",
            "date": "2017-09-18T21:41:16",
            "name": "net: dsa: b53/bcm_sf2 cleanups",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/3739/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/815184/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/815184/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<netdev-owner@vger.kernel.org>",
        "X-Original-To": "patchwork-incoming@ozlabs.org",
        "Delivered-To": "patchwork-incoming@ozlabs.org",
        "Authentication-Results": [
            "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=netdev-owner@vger.kernel.org;\n\treceiver=<UNKNOWN>)",
            "ozlabs.org; dkim=pass (2048-bit key;\n\tunprotected) header.d=gmail.com header.i=@gmail.com\n\theader.b=\"jDjIKMJI\"; dkim-atps=neutral"
        ],
        "Received": [
            "from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xwzx11Xzpz9ryv\n\tfor <patchwork-incoming@ozlabs.org>;\n\tTue, 19 Sep 2017 07:41:57 +1000 (AEST)",
            "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1751517AbdIRVlz (ORCPT <rfc822;patchwork-incoming@ozlabs.org>);\n\tMon, 18 Sep 2017 17:41:55 -0400",
            "from mail-wr0-f195.google.com ([209.85.128.195]:34533 \"EHLO\n\tmail-wr0-f195.google.com\" rhost-flags-OK-OK-OK-OK) by vger.kernel.org\n\twith ESMTP id S1751502AbdIRVlx (ORCPT\n\t<rfc822;netdev@vger.kernel.org>); Mon, 18 Sep 2017 17:41:53 -0400",
            "by mail-wr0-f195.google.com with SMTP id k20so1142110wre.1\n\tfor <netdev@vger.kernel.org>; Mon, 18 Sep 2017 14:41:52 -0700 (PDT)",
            "from fainelli-desktop.broadcom.com ([192.19.255.250])\n\tby smtp.gmail.com with ESMTPSA id\n\te34sm9242761wre.15.2017.09.18.14.41.48\n\t(version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);\n\tMon, 18 Sep 2017 14:41:50 -0700 (PDT)"
        ],
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=gmail.com; s=20161025;\n\th=from:to:cc:subject:date:message-id:in-reply-to:references;\n\tbh=lYe5w7ypa/UDUPTSuKusxHROOsYmIGXZDsHQoKDT85s=;\n\tb=jDjIKMJIap7cBUdqtV1wasyMRy8UIvj6QB5IuaO5w+3rG7BGlPjg7UbKfs1jI9NJlj\n\tSzaYWtlK6CLbx4rqXljaJDr6ile5W1k9yPSlrzvZ/7mH/LCsE00UPkVGn8ZDMPwIcCfd\n\tXNwfb0dVfuSL1zGxI1uRTb0QNKM22pIYoqN0GNSThPvpps1JZ9vpzOA7bVMY0PaE/7by\n\t75UVtsepWHr1Nxt2YUfjg4umghNqviJgxhi2fXNeREZxt/NohAuGcJNTLDEQdNFc1gQJ\n\t6WbGwMw6RZEeweYT6mAQvwNpI4bCBbRaf9ACuT7ob9aB/C6m6LBeQt07YPDP8RngiMdS\n\tTvUA==",
        "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to\n\t:references;\n\tbh=lYe5w7ypa/UDUPTSuKusxHROOsYmIGXZDsHQoKDT85s=;\n\tb=o/1+GhZx0f6UycDAQ5psixOaiEH8uTGPCZ+J0Vli0x8J/AOcYwC3xaMtZaOBGWtXsR\n\tuh9YYe3L/OKpTne5KebiIZTQr7a3XVQ4daeVJSU6mmD/VmepXFShCBKY/zPq/mQPSNZm\n\t37FXJYa7yqSXm7C5IUi8By8xtPgxXVxM/mecDNrgklyjFu4Y6clLvnY8o5PYtl0WvDsB\n\txQoG+7qDpANbQpiKjkIdM4zaY2a4jMl4Pxlb94QglP+uB4rPCsNiILiyTG5YjIzc2O27\n\tcO1epeBVH4/czODJz7NXkisyhQcHfV3BO+Tk3hMYY55MoLiVCuPdECpAvCNqGsLToAnG\n\th+sA==",
        "X-Gm-Message-State": "AHPjjUgtBSO/B7Nya2afV78b7T4PcIN8u8wdhKIwSPRTU/ehN8/S32Hp\n\tFQ+AESzx4jZG3HhIeKI=",
        "X-Google-Smtp-Source": "ADKCNb7pFBWIw059ObsIJhIJezUK+dIaRs3BW6PO/HzMTemf0DIG5r8Z210O8DBXUXAwl2H634rR6g==",
        "X-Received": "by 10.223.141.235 with SMTP id\n\to98mr27577100wrb.242.1505770911680; \n\tMon, 18 Sep 2017 14:41:51 -0700 (PDT)",
        "From": "Florian Fainelli <f.fainelli@gmail.com>",
        "To": "netdev@vger.kernel.org",
        "Cc": "davem@davemloft.net, andrew@lunn.ch, vivien.didelot@savoirfairelinux.com,\n\tFlorian Fainelli <f.fainelli@gmail.com>",
        "Subject": "[PATCH net-next 05/12] net: dsa: b53: Use a macro to define I/O\n\toperations",
        "Date": "Mon, 18 Sep 2017 14:41:21 -0700",
        "Message-Id": "<20170918214128.27896-6-f.fainelli@gmail.com>",
        "X-Mailer": "git-send-email 2.9.3",
        "In-Reply-To": "<20170918214128.27896-1-f.fainelli@gmail.com>",
        "References": "<20170918214128.27896-1-f.fainelli@gmail.com>",
        "Sender": "netdev-owner@vger.kernel.org",
        "Precedence": "bulk",
        "List-ID": "<netdev.vger.kernel.org>",
        "X-Mailing-List": "netdev@vger.kernel.org"
    },
    "content": "Instead of repeating the same pattern: acquire mutex, read/write, release\nmutex, define a macro: b53_build_op() which takes the type (read|write), I/O\nsize, and value (scalar or pointer). This helps with fixing bugs that could\nexit (e.g: missing barrier, lock etc.).\n\nSigned-off-by: Florian Fainelli <f.fainelli@gmail.com>\n---\n drivers/net/dsa/b53/b53_priv.h | 133 +++++++----------------------------------\n 1 file changed, 22 insertions(+), 111 deletions(-)",
    "diff": "diff --git a/drivers/net/dsa/b53/b53_priv.h b/drivers/net/dsa/b53/b53_priv.h\nindex 7528b22aeb03..f1136619e0e4 100644\n--- a/drivers/net/dsa/b53/b53_priv.h\n+++ b/drivers/net/dsa/b53/b53_priv.h\n@@ -199,119 +199,30 @@ static inline void b53_switch_remove(struct b53_device *dev)\n \tdsa_unregister_switch(dev->ds);\n }\n \n-static inline int b53_read8(struct b53_device *dev, u8 page, u8 reg, u8 *val)\n-{\n-\tint ret;\n-\n-\tmutex_lock(&dev->reg_mutex);\n-\tret = dev->ops->read8(dev, page, reg, val);\n-\tmutex_unlock(&dev->reg_mutex);\n-\n-\treturn ret;\n-}\n-\n-static inline int b53_read16(struct b53_device *dev, u8 page, u8 reg, u16 *val)\n-{\n-\tint ret;\n-\n-\tmutex_lock(&dev->reg_mutex);\n-\tret = dev->ops->read16(dev, page, reg, val);\n-\tmutex_unlock(&dev->reg_mutex);\n-\n-\treturn ret;\n-}\n-\n-static inline int b53_read32(struct b53_device *dev, u8 page, u8 reg, u32 *val)\n-{\n-\tint ret;\n-\n-\tmutex_lock(&dev->reg_mutex);\n-\tret = dev->ops->read32(dev, page, reg, val);\n-\tmutex_unlock(&dev->reg_mutex);\n-\n-\treturn ret;\n-}\n-\n-static inline int b53_read48(struct b53_device *dev, u8 page, u8 reg, u64 *val)\n-{\n-\tint ret;\n-\n-\tmutex_lock(&dev->reg_mutex);\n-\tret = dev->ops->read48(dev, page, reg, val);\n-\tmutex_unlock(&dev->reg_mutex);\n-\n-\treturn ret;\n+#define b53_build_op(type, op_size, val_type)\t\\\n+static inline int b53_##type##op_size(struct b53_device *dev, u8 page,\t\t\\\n+\t\t\t\t      u8 reg, val_type val)\t\t\t\\\n+{\t\t\t\t\t\t\t\t\t\t\\\n+\tint ret;\t\t\t\t\t\t\t\t\\\n+\t\t\t\t\t\t\t\t\t\t\\\n+\tmutex_lock(&dev->reg_mutex);\t\t\t\t\t\t\\\n+\tret = dev->ops->type##op_size(dev, page, reg, val);\t\t\t\\\n+\tmutex_unlock(&dev->reg_mutex);\t\t\t\t\t\t\\\n+\t\t\t\t\t\t\t\t\t\t\\\n+\treturn ret;\t\t\t\t\t\t\t\t\\\n }\n \n-static inline int b53_read64(struct b53_device *dev, u8 page, u8 reg, u64 *val)\n-{\n-\tint ret;\n-\n-\tmutex_lock(&dev->reg_mutex);\n-\tret = dev->ops->read64(dev, page, reg, val);\n-\tmutex_unlock(&dev->reg_mutex);\n-\n-\treturn ret;\n-}\n-\n-static inline int b53_write8(struct b53_device *dev, u8 page, u8 reg, u8 value)\n-{\n-\tint ret;\n-\n-\tmutex_lock(&dev->reg_mutex);\n-\tret = dev->ops->write8(dev, page, reg, value);\n-\tmutex_unlock(&dev->reg_mutex);\n-\n-\treturn ret;\n-}\n-\n-static inline int b53_write16(struct b53_device *dev, u8 page, u8 reg,\n-\t\t\t      u16 value)\n-{\n-\tint ret;\n-\n-\tmutex_lock(&dev->reg_mutex);\n-\tret = dev->ops->write16(dev, page, reg, value);\n-\tmutex_unlock(&dev->reg_mutex);\n-\n-\treturn ret;\n-}\n-\n-static inline int b53_write32(struct b53_device *dev, u8 page, u8 reg,\n-\t\t\t      u32 value)\n-{\n-\tint ret;\n-\n-\tmutex_lock(&dev->reg_mutex);\n-\tret = dev->ops->write32(dev, page, reg, value);\n-\tmutex_unlock(&dev->reg_mutex);\n-\n-\treturn ret;\n-}\n-\n-static inline int b53_write48(struct b53_device *dev, u8 page, u8 reg,\n-\t\t\t      u64 value)\n-{\n-\tint ret;\n-\n-\tmutex_lock(&dev->reg_mutex);\n-\tret = dev->ops->write48(dev, page, reg, value);\n-\tmutex_unlock(&dev->reg_mutex);\n-\n-\treturn ret;\n-}\n-\n-static inline int b53_write64(struct b53_device *dev, u8 page, u8 reg,\n-\t\t\t       u64 value)\n-{\n-\tint ret;\n-\n-\tmutex_lock(&dev->reg_mutex);\n-\tret = dev->ops->write64(dev, page, reg, value);\n-\tmutex_unlock(&dev->reg_mutex);\n-\n-\treturn ret;\n-}\n+b53_build_op(read, 8, u8 *);\n+b53_build_op(read, 16, u16 *);\n+b53_build_op(read, 32, u32 *);\n+b53_build_op(read, 48, u64 *);\n+b53_build_op(read, 64, u64 *);\n+\n+b53_build_op(write, 8, u8);\n+b53_build_op(write, 16, u16);\n+b53_build_op(write, 32, u32);\n+b53_build_op(write, 48, u64);\n+b53_build_op(write, 64, u64);\n \n struct b53_arl_entry {\n \tu8 port;\n",
    "prefixes": [
        "net-next",
        "05/12"
    ]
}