Messages in this thread | | | Date | Tue, 28 Jun 2016 13:01:37 +0100 | From | Lee Jones <> | Subject | Re: [PATCH v4 4/5] mfd: rn5t618: register power off callback optionally |
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On Mon, 27 Jun 2016, Stefan Agner wrote:
> 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> > --- > drivers/mfd/rn5t618.c | 10 +++++++--- > 1 file changed, 7 insertions(+), 3 deletions(-)
For my own reference: Acked-by: Lee Jones <lee.jones@linaro.org>
> diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c > index c86160d..1831740 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;
-- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog
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