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rtc: ds3232: Add OF device ID table

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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: Alexandre Belloni <alexandre.belloni@free-electrons.com>
This commit is contained in:
Javier Martinez Canillas 2017-03-03 11:29:17 -03:00 committed by Alexandre Belloni
parent 81b779ce5f
commit 4dfbd1378d
1 changed files with 7 additions and 0 deletions
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7
drivers/rtc/rtc-ds3232.c
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@ -442,9 +442,16 @@ static const struct i2c_device_id ds3232_id[] = {
};
MODULE_DEVICE_TABLE(i2c, ds3232_id);
static const struct of_device_id ds3232_of_match[] = {
{ .compatible = "dallas,ds3232" },
{ }
};
MODULE_DEVICE_TABLE(of, ds3232_of_match);
static struct i2c_driver ds3232_driver = {
.driver = {
.name = "rtc-ds3232",
.of_match_table = of_match_ptr(ds3232_of_match),
.pm = &ds3232_pm_ops,
},
.probe = ds3232_i2c_probe,