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{
    "id": 805339,
    "url": "http://patchwork.ozlabs.org/api/patches/805339/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/linux-pci/patch/1503564548-1834-3-git-send-email-oza.oza@broadcom.com/",
    "project": {
        "id": 28,
        "url": "http://patchwork.ozlabs.org/api/projects/28/?format=api",
        "name": "Linux PCI development",
        "link_name": "linux-pci",
        "list_id": "linux-pci.vger.kernel.org",
        "list_email": "linux-pci@vger.kernel.org",
        "web_url": null,
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    "msgid": "<1503564548-1834-3-git-send-email-oza.oza@broadcom.com>",
    "list_archive_url": null,
    "date": "2017-08-24T08:49:07",
    "name": "[v4,2/3] dt-bindings: PCI: add PCIe hotplug property",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "903be4b658c3b61817749e1749f211577c802f87",
    "submitter": {
        "id": 71219,
        "url": "http://patchwork.ozlabs.org/api/people/71219/?format=api",
        "name": "Oza Pawandeep",
        "email": "oza.oza@broadcom.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/linux-pci/patch/1503564548-1834-3-git-send-email-oza.oza@broadcom.com/mbox/",
    "series": [],
    "comments": "http://patchwork.ozlabs.org/api/patches/805339/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/805339/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<linux-pci-owner@vger.kernel.org>",
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        "X-Received": "by 10.223.177.156 with SMTP id q28mr3092186wra.290.1503564566746;\n\tThu, 24 Aug 2017 01:49:26 -0700 (PDT)",
        "From": "Oza Pawandeep <oza.oza@broadcom.com>",
        "To": "Bjorn Helgaas <bhelgaas@google.com>, <helgaas@kernel.org>,\n\tRob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>,\n\tRay Jui <rjui@broadcom.com>, Scott Branden <sbranden@broadcom.com>,\n\tJon Mason <jonmason@broadcom.com>, bcm-kernel-feedback-list@broadcom.com,\n\tOza Pawandeep <oza.oza@broadcom.com>,\n\tAndy Gospodarek <gospo@broadcom.com>,\n\tlinux-pci@vger.kernel.org, devicetree@vger.kernel.org,\n\tlinux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,\n\tOza Pawandeep <oza.pawandeep@gmail.com>",
        "Subject": "[PATCH v4 2/3] dt-bindings: PCI: add PCIe hotplug property",
        "Date": "Thu, 24 Aug 2017 14:19:07 +0530",
        "Message-Id": "<1503564548-1834-3-git-send-email-oza.oza@broadcom.com>",
        "X-Mailer": "git-send-email 1.9.1",
        "In-Reply-To": "<1503564548-1834-1-git-send-email-oza.oza@broadcom.com>",
        "References": "<1503564548-1834-1-git-send-email-oza.oza@broadcom.com>",
        "Sender": "linux-pci-owner@vger.kernel.org",
        "Precedence": "bulk",
        "List-ID": "<linux-pci.vger.kernel.org>",
        "X-Mailing-List": "linux-pci@vger.kernel.org"
    },
    "content": "Host drivers have the requirement of implementing PCI hotplug\nbased on the how their SOC supports PCI hotplug.\n\nCouple of properties have been added. the one to enable\nthe hotplug feature itself, and the other caters to\nthe PCI hotplug implementation with the use of gpios.\n\nSigned-off-by: Oza Pawandeep <oza.oza@broadcom.com>",
    "diff": "diff --git a/Documentation/devicetree/bindings/pci/pci.txt b/Documentation/devicetree/bindings/pci/pci.txt\nindex 50f9e2c..0bf25a1 100644\n--- a/Documentation/devicetree/bindings/pci/pci.txt\n+++ b/Documentation/devicetree/bindings/pci/pci.txt\n@@ -24,3 +24,18 @@ driver implementation may support the following properties:\n    unsupported link speed, for instance, trying to do training for\n    unsupported link speed, etc.  Must be '4' for gen4, '3' for gen3, '2'\n    for gen2, and '1' for gen1. Any other values are invalid.\n+\n+- slot-pluggable:\n+   PCI hotplug feature is supported.\n+   PCI hotplug implementation is SOC/Board specific, and also it depends on\n+   how add-in card is designed (e.g. how many present pins are implemented).\n+   If the slot-pluggable property is present, the following propertey could\n+   become effective.\n+   - prsnt-gpios:\n+      Array of gpios, could be present if hotplug is supported.\n+      This property defines gpio based hotplug implementation.\n+      Example:\n+      If x8 card is connected, then it might be possible that all the\n+      3 present pins could go low, or at least one pin goes low.\n+      If x4 card is connected, then it might be possible that 2 present\n+      pins go low, or at least one pin goes low.\n",
    "prefixes": [
        "v4",
        "2/3"
    ]
}