linux-kernel - [PATCH v2 2/2] hwmon: (lm87) Add OF device ID table

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Message-Id: <20170413002139.5983-2-javier@osg.samsung.com>
Date:   Wed, 12 Apr 2017 21:21:39 -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 v2 2/2] hwmon: (lm87) 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>

---
Hello,

I should had included this patch in series [0] but it seems that I didn't.

[0]: https://lkml.org/lkml/2017/2/24/360

Best regards,
Javier

Changes in v2:
- Use the correct driver in subject line.
- Keep OF device ID table sorted in the same order than I2C device ID table.

 drivers/hwmon/lm87.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/hwmon/lm87.c b/drivers/hwmon/lm87.c
index c0766e7392d3..b48d30760388 100644
--- a/drivers/hwmon/lm87.c
+++ b/drivers/hwmon/lm87.c
@@ -985,10 +985,18 @@ static const struct i2c_device_id lm87_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, lm87_id);
 
+static const struct of_device_id lm87_of_match[] = {
+	{ .compatible = "ti,lm87" },
+	{ .compatible = "adi,adm1024" },
+	{ },
+};
+MODULE_DEVICE_TABLE(of, lm87_of_match);
+
 static struct i2c_driver lm87_driver = {
 	.class		= I2C_CLASS_HWMON,
 	.driver = {
 		.name	= "lm87",
+		.of_match_table = lm87_of_match,
 	},
 	.probe		= lm87_probe,
 	.id_table	= lm87_id,
-- 
2.9.3