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From: Icenowy Zheng <icenowy@aosc.io>
To: Mark Brown <broonie@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org,
	Ondrej Jirman <megous@megous.com>,
	devicetree@vger.kernel.org,
	Maxime Ripard <maxime.ripard@bootlin.com>,
	linux-sunxi@googlegroups.com, Liam Girdwood <lgirdwood@gmail.com>,
	linux-kernel@vger.kernel.org, Chen-Yu Tsai <wens@csie.org>,
	Rob Herring <robh+dt@kernel.org>
Subject: Re: [PATCH v3 2/3] regulator: add support for SY8106A regulator
Date: Wed, 25 Apr 2018 18:55:10 +0800	[thread overview]
Message-ID: <15C93A9B-6EEB-49EB-A942-35F761E86569@aosc.io> (raw)
In-Reply-To: <20180425105309.GC24769@sirena.org.uk>



于 2018年4月25日 GMT+08:00 下午6:53:09, Mark Brown <broonie@kernel.org> 写到:
>On Wed, Apr 25, 2018 at 07:41:35AM +0800, Icenowy Zheng wrote:
>> 于 2018年4月25日 GMT+08:00 上午1:07:33, Mark Brown <broonie@kernel.org> 写到:
>> >On Mon, Apr 23, 2018 at 10:46:56PM +0800, Icenowy Zheng wrote:
>
>> >> --- /dev/null
>> >> +++ b/drivers/regulator/sy8106a-regulator.c
>> >> @@ -0,0 +1,176 @@
>> >> +// SPDX-License-Identifier: GPL-2.0+
>> >> +/*
>> >> + * sy8106a-regulator.c - Regulator device driver for SY8106A
>
>> >Just make the entire thing a C++ comment so it looks consistent and
>> >joined up.
>
>> SPDX identifier is special -- it should be in a seperated
>> comment block.
>
>No, it just needs to be a C++ comment on the first line to ease machine
>parsing.  The rest of the file doesn't matter for that.

Okay. Thus I will use a seperate /* */ block for it in the
next revision, to follow the rule.

>
>> >> +	if (reg & SY8106A_GO_BIT)
>> >> +		return reg & rdev->desc->vsel_mask;
>> >> +	else
>> >> +		return (chip->fixed_voltage - rdev->desc->min_uV) /
>> >> +		       rdev->desc->uV_step;
>
>> >You could use the standard get_voltage_sel() if you provide a
>mapping
>> >operation that set everything with _GO_BIT set to return the fixed
>> >voltage.  Though looking at this it seems that the fixed voltage
>will
>> >always be one that could be set via the register anyway so I'm
>> >wondering
>> >if the easiest thing here isn't to just have the driver turn off
>> >_GO_BIT
>
>> Do you mean "turn on" here?
>
>Yes.

Okay. I will do it in this way and drop custom get/set_voltage_sel.

  reply	other threads:[~2018-04-25 10:55 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-23 14:46 [PATCH v3 0/3] SY8106 regulator support and enable it on Orange Pi PC Icenowy Zheng
2018-04-23 14:46 ` [PATCH v3 1/3] dt-bindings: add binding for the SY8106A voltage regulator Icenowy Zheng
2018-05-09  9:32   ` Applied "regulator: add binding for the SY8106A voltage regulator" to the regulator tree Mark Brown
2018-05-09  9:48   ` Mark Brown
2018-04-23 14:46 ` [PATCH v3 2/3] regulator: add support for SY8106A regulator Icenowy Zheng
2018-04-24 17:07   ` Mark Brown
2018-04-24 23:41     ` Icenowy Zheng
2018-04-25 10:53       ` Mark Brown
2018-04-25 10:55         ` Icenowy Zheng [this message]
2018-04-25 11:13           ` Mark Brown
2018-04-23 14:46 ` [PATCH v3 3/3] ARM: dts: sun8i: h3: Add SY8106A regulator to Orange Pi PC Icenowy Zheng
2018-04-23 15:03   ` Maxime Ripard
2018-04-23 15:04     ` Icenowy Zheng

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