Re: [PATCH V2 2/2] mfd: twl4030-power: use 'ti,system-power-controller' as alternative way to support system power off

From: Lee Jones
Date: Wed Sep 17 2014 - 17:39:34 EST


On Wed, 17 Sep 2014, Nishanth Menon wrote:

> ti,system-power-controller is more or less the standard way of
> indicating that the PMIC is the system wide power controller and hence
> may be used to switch off the system. Almost ALL TI PMIC drivers and
> many Maxim PMIC drivers follow the same style.
>
> So support 'ti,system-power-controller' in addition to the usual
> 'ti,use_poweroff' to indicate that the PMIC instance has control for
> switching off the system.
>
> Signed-off-by: Nishanth Menon <nm@xxxxxx>
> Acked-by: Tony Lindgren <tony@xxxxxxxxxxx>
> ---
>
> V2: no change, picked up Tony's ack.
> V1: https://patchwork.kernel.org/patch/4836371/
> drivers/mfd/twl4030-power.c | 3 +++
> 1 file changed, 3 insertions(+)

Applied, thanks.

> diff --git a/drivers/mfd/twl4030-power.c b/drivers/mfd/twl4030-power.c
> index 3bc969a..1c129ba 100644
> --- a/drivers/mfd/twl4030-power.c
> +++ b/drivers/mfd/twl4030-power.c
> @@ -627,6 +627,9 @@ static bool twl4030_power_use_poweroff(const struct twl4030_power_data *pdata,
> if (pdata && pdata->use_poweroff)
> return true;
>
> + if (of_property_read_bool(node, "ti,system-power-controller"))
> + return true;
> +
> if (of_property_read_bool(node, "ti,use_poweroff"))
> return true;
>

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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