linux-kernel - [PATCH 17/19] hwmon: (tmp102) Add OF device ID table

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Message-Id: <20170224131313.953-18-javier@osg.samsung.com>
Date:   Fri, 24 Feb 2017 10:13:10 -0300
From:   Javier Martinez Canillas <javier@....samsung.com>
To:     linux-kernel@...r.kernel.org
Cc:     Javier Martinez Canillas <javier@....samsung.com>,
        linux-hwmon@...r.kernel.org, Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>
Subject: [PATCH 17/19] hwmon: (tmp102) Add OF device ID table

The driver doesn't have a struct of_device_id table but supported devices
are registered via Device Trees. This is working on the assumption that a
I2C device registered via OF will always match a legacy I2C device ID and
that the MODALIAS reported will always be of the form i2c:<device>.

But this could change in the future so the correct approach is to have an
OF device ID table if the devices are registered via OF.

Signed-off-by: Javier Martinez Canillas <javier@....samsung.com>
---

 drivers/hwmon/tmp102.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/hwmon/tmp102.c b/drivers/hwmon/tmp102.c
index 36bba2a816a4..5eafbaada795 100644
--- a/drivers/hwmon/tmp102.c
+++ b/drivers/hwmon/tmp102.c
@@ -323,8 +323,15 @@ static const struct i2c_device_id tmp102_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, tmp102_id);
 
+static const struct of_device_id tmp102_of_match[] = {
+	{ .compatible = "ti,tmp102" },
+	{ },
+};
+MODULE_DEVICE_TABLE(of, tmp102_of_match);
+
 static struct i2c_driver tmp102_driver = {
 	.driver.name	= DRIVER_NAME,
+	.driver.of_match_table = of_match_ptr(tmp102_of_match),
 	.driver.pm	= &tmp102_dev_pm_ops,
 	.probe		= tmp102_probe,
 	.id_table	= tmp102_id,
-- 
2.9.3