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{
    "id": 814490,
    "url": "http://patchwork.ozlabs.org/api/patches/814490/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/devicetree-bindings/patch/20170916104220.3742-9-fancer.lancer@gmail.com/",
    "project": {
        "id": 37,
        "url": "http://patchwork.ozlabs.org/api/projects/37/?format=api",
        "name": "Devicetree Bindings",
        "link_name": "devicetree-bindings",
        "list_id": "devicetree.vger.kernel.org",
        "list_email": "devicetree@vger.kernel.org",
        "web_url": "",
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    "msgid": "<20170916104220.3742-9-fancer.lancer@gmail.com>",
    "list_archive_url": null,
    "date": "2017-09-16T10:42:19",
    "name": "[8/9,v2] usb: usb251xb: Add max power/current dts property support",
    "commit_ref": null,
    "pull_url": null,
    "state": "changes-requested",
    "archived": true,
    "hash": "d48aa694939b1bb49c9f9c21be924e7f372c472c",
    "submitter": {
        "id": 70038,
        "url": "http://patchwork.ozlabs.org/api/people/70038/?format=api",
        "name": "Serge Semin",
        "email": "fancer.lancer@gmail.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/devicetree-bindings/patch/20170916104220.3742-9-fancer.lancer@gmail.com/mbox/",
    "series": [
        {
            "id": 3430,
            "url": "http://patchwork.ozlabs.org/api/series/3430/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/devicetree-bindings/list/?series=3430",
            "date": "2017-09-16T10:42:11",
            "name": "usb: usb251xb: Add USB2517i hub support and fix some bugs",
            "version": 2,
            "mbox": "http://patchwork.ozlabs.org/series/3430/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/814490/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/814490/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "X-Received": "by 10.46.70.9 with SMTP id t9mr9038061lja.54.1505558550815;\n\tSat, 16 Sep 2017 03:42:30 -0700 (PDT)",
        "From": "Serge Semin <fancer.lancer@gmail.com>",
        "To": "richard.leitner@skidata.com, gregkh@linuxfoundation.org,\n\trobh+dt@kernel.org, mark.rutland@arm.com",
        "Cc": "Sergey.Semin@t-platforms.ru, linux-usb@vger.kernel.org,\n\tdevicetree@vger.kernel.org, linux-kernel@vger.kernel.org,\n\tSerge Semin <fancer.lancer@gmail.com>",
        "Subject": "[PATCH 8/9 v2] usb: usb251xb: Add max power/current dts property\n\tsupport",
        "Date": "Sat, 16 Sep 2017 13:42:19 +0300",
        "Message-Id": "<20170916104220.3742-9-fancer.lancer@gmail.com>",
        "X-Mailer": "git-send-email 2.12.0",
        "In-Reply-To": "<20170916104220.3742-1-fancer.lancer@gmail.com>",
        "References": "<20170915233113.17855-1-fancer.lancer@gmail.com>\n\t<20170916104220.3742-1-fancer.lancer@gmail.com>",
        "Sender": "devicetree-owner@vger.kernel.org",
        "Precedence": "bulk",
        "List-ID": "<devicetree.vger.kernel.org>",
        "X-Mailing-List": "devicetree@vger.kernel.org"
    },
    "content": "This parameters may be varied in accordance with hardware specifics.\nSo lets add the corresponding settings to the usb251x driver dts\nspecification.\n\nSigned-off-by: Serge Semin <fancer.lancer@gmail.com>\n---\n Documentation/devicetree/bindings/usb/usb251xb.txt   |  6 ++++++\n drivers/usb/misc/usb251xb.c                          | 20 ++++++++++++++++----\n 2 files changed, 22 insertions(+), 4 deletions(-)",
    "diff": "diff --git a/Documentation/devicetree/bindings/usb/usb251xb.txt b/Documentation/devicetree/bindings/usb/usb251xb.txt\nindex 3d84626d3..dd59a32e7 100644\n--- a/Documentation/devicetree/bindings/usb/usb251xb.txt\n+++ b/Documentation/devicetree/bindings/usb/usb251xb.txt\n@@ -44,6 +44,12 @@ Optional properties :\n \tdevice connected.\n  - sp-disabled-ports : Specifies the ports which will be self-power disabled\n  - bp-disabled-ports : Specifies the ports which will be bus-power disabled\n+ - sp-max-{power,current} : Indicates the power/current consumed by hub from\n+\tan upstream port (VBUS) when operation as a self-powered hub. The value\n+\tis given in mA in a 0 - 100 range (default is 1mA).\n+ - bp-max-{power,current} : Indicates the power/current consumed by hub from\n+\tan upstream port (VBUS) when operation as a bus-powered hub. The value\n+\tis given in mA in a 0 - 510 range (default is 100mA).\n  - power-on-time-ms : Specifies the time it takes from the time the host\n \tinitiates the power-on sequence to a port until the port has adequate\n \tpower. The value is given in ms in a 0 - 510 range (default is 100ms).\ndiff --git a/drivers/usb/misc/usb251xb.c b/drivers/usb/misc/usb251xb.c\nindex c308b0006..71994b883 100644\n--- a/drivers/usb/misc/usb251xb.c\n+++ b/drivers/usb/misc/usb251xb.c\n@@ -497,6 +497,22 @@ static int usb251xb_get_ofdata(struct usb251xb *hub,\n \t\t}\n \t}\n \n+\thub->max_power_sp = USB251XB_DEF_MAX_POWER_SELF;\n+\tif (!of_property_read_u32(np, \"sp-max-power\", &property_u32))\n+\t\thub->max_power_sp = min_t(u8, property_u32 / 2, 50);\n+\n+\thub->max_power_bp = USB251XB_DEF_MAX_POWER_BUS;\n+\tif (!of_property_read_u32(np, \"bp-max-power\", &property_u32))\n+\t\thub->max_power_bp = min_t(u8, property_u32 / 2, 255);\n+\n+\thub->max_current_sp = USB251XB_DEF_MAX_CURRENT_SELF;\n+\tif (!of_property_read_u32(np, \"sp-max-current\", &property_u32))\n+\t\thub->max_current_sp = min_t(u8, property_u32 / 2, 50);\n+\n+\thub->max_current_bp = USB251XB_DEF_MAX_CURRENT_BUS;\n+\tif (!of_property_read_u32(np, \"bp-max-current\", &property_u32))\n+\t\thub->max_current_bp = min_t(u8, property_u32 / 2, 255);\n+\n \thub->power_on_time = USB251XB_DEF_POWER_ON_TIME;\n \tif (!of_property_read_u32(np, \"power-on-time-ms\", &property_u32))\n \t\thub->power_on_time = min_t(u8, property_u32 / 2, 255);\n@@ -536,10 +552,6 @@ static int usb251xb_get_ofdata(struct usb251xb *hub,\n \t/* The following parameters are currently not exposed to devicetree, but\n \t * may be as soon as needed.\n \t */\n-\thub->max_power_sp = USB251XB_DEF_MAX_POWER_SELF;\n-\thub->max_power_bp = USB251XB_DEF_MAX_POWER_BUS;\n-\thub->max_current_sp = USB251XB_DEF_MAX_CURRENT_SELF;\n-\thub->max_current_bp = USB251XB_DEF_MAX_CURRENT_BUS;\n \thub->bat_charge_en = USB251XB_DEF_BATTERY_CHARGING_ENABLE;\n \thub->boost_up = USB251XB_DEF_BOOST_UP;\n \thub->boost_57 = USB251XB_DEF_BOOST_57;\n",
    "prefixes": [
        "8/9",
        "v2"
    ]
}