linux-kernel - [PATCH 01/19] hwmon: (ad7414) Add OF device ID table

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Message-Id: <20170224131313.953-2-javier@osg.samsung.com>
Date:   Fri, 24 Feb 2017 10:12:54 -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 01/19] hwmon: (ad7414) 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/ad7414.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/hwmon/ad7414.c b/drivers/hwmon/ad7414.c
index 763490acc0df..cec227f13874 100644
--- a/drivers/hwmon/ad7414.c
+++ b/drivers/hwmon/ad7414.c
@@ -217,9 +217,16 @@ static const struct i2c_device_id ad7414_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, ad7414_id);
 
+static const struct of_device_id ad7414_of_match[] = {
+	{ .compatible = "ad,ad7414" },
+	{ },
+};
+MODULE_DEVICE_TABLE(of, ad7414_of_match);
+
 static struct i2c_driver ad7414_driver = {
 	.driver = {
 		.name	= "ad7414",
+		.of_match_table = of_match_ptr(ad7414_of_match),
 	},
 	.probe	= ad7414_probe,
 	.id_table = ad7414_id,
-- 
2.9.3