linux-kernel - [PATCH 16/19] hwmon: (stts751) Add OF device ID table

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Date:   Fri, 24 Feb 2017 10:13:09 -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 16/19] hwmon: (stts751) 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/stts751.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/hwmon/stts751.c b/drivers/hwmon/stts751.c
index 55450680fb58..d56251d6eec2 100644
--- a/drivers/hwmon/stts751.c
+++ b/drivers/hwmon/stts751.c
@@ -85,6 +85,12 @@ static const struct i2c_device_id stts751_id[] = {
 	{ }
 };
 
+static const struct of_device_id stts751_of_match[] = {
+	{ .compatible = "stts751" },
+	{ },
+};
+MODULE_DEVICE_TABLE(of, stts751_of_match);
+
 struct stts751_priv {
 	struct device *dev;
 	struct i2c_client *client;
@@ -819,6 +825,7 @@ static struct i2c_driver stts751_driver = {
 	.class		= I2C_CLASS_HWMON,
 	.driver = {
 		.name	= DEVNAME,
+		.of_match_table = of_match_ptr(stts751_of_match),
 	},
 	.probe		= stts751_probe,
 	.id_table	= stts751_id,
-- 
2.9.3