diff options
| author | Stefan Agner <stefan@agner.ch> | 2016-06-28 22:53:21 -0700 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2016-06-29 10:11:35 +0100 |
| commit | fd65ae4cb65a9e41af44e37318afb39045d86bf2 (patch) | |
| tree | 31a9d28c06edfc4dc883bab7251740f0a35f478a | |
| parent | ed6d362d8dbc3494cd98cd771737ea8b1407ed61 (diff) | |
| download | linux-fd65ae4cb65a9e41af44e37318afb39045d86bf2.tar.bz2 | |
mfd: rn5t618: Register power off callback optionally
Only register power off if the PMIC is defined as system power
controller (see Documentation/devicetree/bindings/power/
power-controller.txt).
Signed-off-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
| -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; |