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{
    "id": 776405,
    "url": "http://patchwork.ozlabs.org/api/patches/776405/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/linux-i2c/patch/20170615185418.13980-3-javier@dowhile0.org/",
    "project": {
        "id": 35,
        "url": "http://patchwork.ozlabs.org/api/projects/35/?format=api",
        "name": "Linux I2C development",
        "link_name": "linux-i2c",
        "list_id": "linux-i2c.vger.kernel.org",
        "list_email": "linux-i2c@vger.kernel.org",
        "web_url": "",
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    "msgid": "<20170615185418.13980-3-javier@dowhile0.org>",
    "list_archive_url": null,
    "date": "2017-06-15T18:54:04",
    "name": "[RESEND,v5,02/16] eeprom: at24: Add OF device ID table",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "aba1613f27a1127c0836507e09f041c945fd9b24",
    "submitter": {
        "id": 11205,
        "url": "http://patchwork.ozlabs.org/api/people/11205/?format=api",
        "name": "Javier Martinez Canillas",
        "email": "javier@dowhile0.org"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/linux-i2c/patch/20170615185418.13980-3-javier@dowhile0.org/mbox/",
    "series": [],
    "comments": "http://patchwork.ozlabs.org/api/patches/776405/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/776405/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<linux-i2c-owner@vger.kernel.org>",
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        "X-Received": "by 10.223.171.83 with SMTP id r19mr4862369wrc.173.1497552869721; \n\tThu, 15 Jun 2017 11:54:29 -0700 (PDT)",
        "From": "Javier Martinez Canillas <javier@dowhile0.org>",
        "To": "linux-kernel@vger.kernel.org",
        "Cc": "Wolfram Sang <wsa@the-dreams.de>, Rob Herring <robh@kernel.org>,\n\tJavier Martinez Canillas <javier@dowhile0.org>,\n\tSimon Horman <horms@verge.net.au>,\n\tAndy Shevchenko <andy.shevchenko@gmail.com>, linux-i2c@vger.kernel.org",
        "Subject": "[RESEND PATCH v5 02/16] eeprom: at24: Add OF device ID table",
        "Date": "Thu, 15 Jun 2017 20:54:04 +0200",
        "Message-Id": "<20170615185418.13980-3-javier@dowhile0.org>",
        "X-Mailer": "git-send-email 2.9.3",
        "In-Reply-To": "<20170615185418.13980-1-javier@dowhile0.org>",
        "References": "<20170615185418.13980-1-javier@dowhile0.org>",
        "Sender": "linux-i2c-owner@vger.kernel.org",
        "Precedence": "bulk",
        "List-ID": "<linux-i2c.vger.kernel.org>",
        "X-Mailing-List": "linux-i2c@vger.kernel.org"
    },
    "content": "The driver doesn't have a struct of_device_id table but supported devices\nare registered via Device Trees. This is working on the assumption that a\nI2C device registered via OF will always match a legacy I2C device ID and\nthat the MODALIAS reported will always be of the form i2c:<device>.\n\nBut this could change in the future so the correct approach is to have an\nOF device ID table if the devices are registered via OF.\n\nSuggested-by: Wolfram Sang <wsa@the-dreams.de>\nSigned-off-by: Javier Martinez Canillas <javier@dowhile0.org>\n\n---\n\nChanges in v5: None\nChanges in v4: None\nChanges in v3:\n- Fix wrong .data values for \"atmel,24c02\" and \"atmel,24c64\" entries.\n\nChanges in v2:\n- Only add a single OF device ID entry for each device type (Wolfram Sang).\n\n drivers/misc/eeprom/at24.c | 65 +++++++++++++++++++++++++++++++++++++++++++++-\n 1 file changed, 64 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c\nindex 764ff5df0dbc..79c5c39be29c 100644\n--- a/drivers/misc/eeprom/at24.c\n+++ b/drivers/misc/eeprom/at24.c\n@@ -12,6 +12,7 @@\n #include <linux/kernel.h>\n #include <linux/init.h>\n #include <linux/module.h>\n+#include <linux/of_device.h>\n #include <linux/slab.h>\n #include <linux/delay.h>\n #include <linux/mutex.h>\n@@ -175,6 +176,64 @@ static const struct i2c_device_id at24_ids[] = {\n };\n MODULE_DEVICE_TABLE(i2c, at24_ids);\n \n+static const struct of_device_id at24_of_match[] = {\n+\t{\n+\t\t.compatible = \"atmel,24c00\",\n+\t\t.data = (void *)AT24_DEVICE_MAGIC(128 / 8, AT24_FLAG_TAKE8ADDR)\n+\t},\n+\t{\n+\t\t.compatible = \"atmel,24c01\",\n+\t\t.data = (void *)AT24_DEVICE_MAGIC(1024 / 8, 0)\n+\t},\n+\t{\n+\t\t.compatible = \"atmel,24c02\",\n+\t\t.data = (void *)AT24_DEVICE_MAGIC(2048 / 8, 0)\n+\t},\n+\t{\n+\t\t.compatible = \"atmel,spd\",\n+\t\t.data = (void *)AT24_DEVICE_MAGIC(2048 / 8,\n+\t\t\t\tAT24_FLAG_READONLY | AT24_FLAG_IRUGO)\n+\t},\n+\t{\n+\t\t.compatible = \"atmel,24c04\",\n+\t\t.data = (void *)AT24_DEVICE_MAGIC(4096 / 8, 0)\n+\t},\n+\t{\n+\t\t.compatible = \"atmel,24c08\",\n+\t\t.data = (void *)AT24_DEVICE_MAGIC(8192 / 8, 0)\n+\t},\n+\t{\n+\t\t.compatible = \"atmel,24c16\",\n+\t\t.data = (void *)AT24_DEVICE_MAGIC(16384 / 8, 0)\n+\t},\n+\t{\n+\t\t.compatible = \"atmel,24c32\",\n+\t\t.data = (void *)AT24_DEVICE_MAGIC(32768 / 8, AT24_FLAG_ADDR16)\n+\t},\n+\t{\n+\t\t.compatible = \"atmel,24c64\",\n+\t\t.data = (void *)AT24_DEVICE_MAGIC(65536 / 8, AT24_FLAG_ADDR16)\n+\t},\n+\t{\n+\t\t.compatible = \"atmel,24c128\",\n+\t\t.data = (void *)AT24_DEVICE_MAGIC(131072 / 8, AT24_FLAG_ADDR16)\n+\t},\n+\t{\n+\t\t.compatible = \"atmel,24c256\",\n+\t\t.data = (void *)AT24_DEVICE_MAGIC(262144 / 8, AT24_FLAG_ADDR16)\n+\t},\n+\t{\n+\t\t.compatible = \"atmel,24c512\",\n+\t\t.data = (void *)AT24_DEVICE_MAGIC(524288 / 8, AT24_FLAG_ADDR16)\n+\t},\n+\t{\n+\t\t.compatible = \"atmel,24c1024\",\n+\t\t.data = (void *)AT24_DEVICE_MAGIC(1048576 / 8, AT24_FLAG_ADDR16)\n+\t},\n+\t{ },\n+};\n+MODULE_DEVICE_TABLE(of, at24_of_match);\n+\n static const struct acpi_device_id at24_acpi_ids[] = {\n \t{ \"INT3499\", AT24_DEVICE_MAGIC(8192 / 8, 0) },\n \t{ }\n@@ -598,7 +657,10 @@ static int at24_probe(struct i2c_client *client, const struct i2c_device_id *id)\n \tif (client->dev.platform_data) {\n \t\tchip = *(struct at24_platform_data *)client->dev.platform_data;\n \t} else {\n-\t\tif (id) {\n+\t\tif (client->dev.of_node) {\n+\t\t\tmagic = (kernel_ulong_t)\n+\t\t\t\tof_device_get_match_data(&client->dev);\n+\t\t} else if (id) {\n \t\t\tmagic = id->driver_data;\n \t\t} else {\n \t\t\tconst struct acpi_device_id *aid;\n@@ -814,6 +876,7 @@ static int at24_remove(struct i2c_client *client)\n static struct i2c_driver at24_driver = {\n \t.driver = {\n \t\t.name = \"at24\",\n+\t\t.of_match_table = at24_of_match,\n \t\t.acpi_match_table = ACPI_PTR(at24_acpi_ids),\n \t},\n \t.probe = at24_probe,\n",
    "prefixes": [
        "RESEND",
        "v5",
        "02/16"
    ]
}