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Message-Id: <20170314151638.23132-2-javier@osg.samsung.com>
Date:   Tue, 14 Mar 2017 12:16:35 -0300
From:   Javier Martinez Canillas <javier@....samsung.com>
To:     linux-kernel@...r.kernel.org
Cc:     Javier Martinez Canillas <javier@....samsung.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arnd Bergmann <arnd@...db.de>
Subject: [PATCH 1/4] misc: tsl2550: 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/misc/tsl2550.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/misc/tsl2550.c b/drivers/misc/tsl2550.c
index 87a13374fdc0..9e7d01c68c68 100644
--- a/drivers/misc/tsl2550.c
+++ b/drivers/misc/tsl2550.c
@@ -443,9 +443,16 @@ static const struct i2c_device_id tsl2550_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, tsl2550_id);
 
+static const struct of_device_id tsl2550_of_match[] = {
+	{ .compatible = "taos,tsl2550" },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, tsl2550_of_match);
+
 static struct i2c_driver tsl2550_driver = {
 	.driver = {
 		.name	= TSL2550_DRV_NAME,
+		.of_match_table = of_match_ptr(tsl2550_of_match),
 		.pm	= TSL2550_PM_OPS,
 	},
 	.probe	= tsl2550_probe,
-- 
2.9.3

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