power: supply: max17040: 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@osg.samsung.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>

diff --git a/drivers/power/supply/max17040_battery.c b/drivers/power/supply/max17040_battery.c
index e7c3649b31a080232efc580d1c2d72c5c9357bd1..33c40f79d23d5e016e69ecde3d0f5785ba4048c0 100644 (file)
--- a/drivers/power/supply/max17040_battery.c
+++ b/drivers/power/supply/max17040_battery.c
@@ -277,9 +277,17 @@ static const struct i2c_device_id max17040_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, max17040_id);
 
+static const struct of_device_id max17040_of_match[] = {
+       { .compatible = "maxim,max17040" },
+       { .compatible = "maxim,max77836-battery" },
+       { },
+};
+MODULE_DEVICE_TABLE(of, max17040_of_match);
+
 static struct i2c_driver max17040_i2c_driver = {
        .driver = {
                .name   = "max17040",
+               .of_match_table = max17040_of_match,
                .pm     = MAX17040_PM_OPS,
        },
        .probe          = max17040_probe,