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hwmon: (max31785) 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.

Before this patch:

$ modinfo drivers/hwmon/pmbus/max31785.ko | grep alias
alias:          i2c:max31785a
alias:          i2c:max31785

After this patch:

$ modinfo drivers/hwmon/pmbus/max31785.ko | grep alias
alias:          i2c:max31785a
alias:          i2c:max31785
alias:          of:N*T*Cmaxim,max31785aC*
alias:          of:N*T*Cmaxim,max31785a
alias:          of:N*T*Cmaxim,max31785C*
alias:          of:N*T*Cmaxim,max31785

Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Javier Martinez Canillas 2017-11-30 19:12:57 +01:00 committed by Guenter Roeck
parent 5d389b1251
commit 98b16a0986
1 changed files with 9 additions and 0 deletions
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9
drivers/hwmon/pmbus/max31785.c
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@ -383,9 +383,18 @@ static const struct i2c_device_id max31785_id[] = {
MODULE_DEVICE_TABLE(i2c, max31785_id);
static const struct of_device_id max31785_of_match[] = {
{ .compatible = "maxim,max31785" },
{ .compatible = "maxim,max31785a" },
{ },
};
MODULE_DEVICE_TABLE(of, max31785_of_match);
static struct i2c_driver max31785_driver = {
.driver = {
.name = "max31785",
.of_match_table = max31785_of_match,
},
.probe = max31785_probe,
.remove = pmbus_do_remove,