diff options
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/rn5t618.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c index c86160d3a773..1831740d9016 100644 --- a/drivers/mfd/rn5t618.c +++ b/drivers/mfd/rn5t618.c @@ -102,9 +102,13 @@ static int rn5t618_i2c_probe(struct i2c_client *i2c, return ret; } - if (!pm_power_off) { - rn5t618_pm_power_off = priv; - pm_power_off = rn5t618_power_off; + if (of_device_is_system_power_controller(i2c->dev.of_node)) { + if (!pm_power_off) { + rn5t618_pm_power_off = priv; + pm_power_off = rn5t618_power_off; + } else { + dev_warn(&i2c->dev, "Poweroff callback already assigned\n"); + } } return 0; |