linux-kernel - Re: [PATCH resend v2 5/6] ARM: dts: sun9i: a80-optimus: Disable dummy regulators vcc3v0, vcc3v3, vcc5v0

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Date:	Wed, 1 Jun 2016 10:45:51 +0800
From:	Chen-Yu Tsai <wens@...e.org>
To:	Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc:	Chen-Yu Tsai <wens@...e.org>, Mark Brown <broonie@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Lee Jones <lee.jones@...aro.org>
Subject: Re: [PATCH resend v2 5/6] ARM: dts: sun9i: a80-optimus: Disable dummy
 regulators vcc3v0, vcc3v3, vcc5v0

On Wed, Jun 1, 2016 at 3:01 AM, Maxime Ripard
<maxime.ripard@...e-electrons.com> wrote:
> Hi,
>
> On Wed, Jun 01, 2016 at 12:23:23AM +0800, Chen-Yu Tsai wrote:
>> These 3 regulators are provided in sunxi-common-regulators.dtsi.
>> 3.0V/3.3V and 5.0V are commonly used voltages in Allwinner devices.
>> These dummy regulators provide a stand-in when bindings that require
>> one, but the real regulator is not supported yet.
>>
>> Since these are no longer needed, we can disable them.
>>
>> Signed-off-by: Chen-Yu Tsai <wens@...e.org>
>> ---
>>  arch/arm/boot/dts/sun9i-a80-optimus.dts | 12 ++++++++++++
>>  1 file changed, 12 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/sun9i-a80-optimus.dts b/arch/arm/boot/dts/sun9i-a80-optimus.dts
>> index 6cfc02194035..991337d1d6f1 100644
>> --- a/arch/arm/boot/dts/sun9i-a80-optimus.dts
>> +++ b/arch/arm/boot/dts/sun9i-a80-optimus.dts
>> @@ -322,6 +322,18 @@
>>
>>  #include "axp809.dtsi"
>>
>> +&reg_vcc3v0 {
>> +     status = "disabled";
>> +};
>> +
>> +&reg_vcc3v3 {
>> +     status = "disabled";
>> +};
>> +
>> +&reg_vcc5v0 {
>> +     status = "disabled";
>> +};
>> +
>
> Why not remove the include entirely?

reg_usb1_vbus is still used. Or I could just copy it and
get rid of the include.

ChenYu