linux-kernel - Re: [PATCH 2/3] regulator: qcom

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Message-ID: <20190522110107.GB8582@sirena.org.uk>
Date:   Wed, 22 May 2019 12:01:07 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Jeffrey Hugo <jhugo@...eaurora.org>
Cc:     Jeffrey Hugo <jeffrey.l.hugo@...il.com>, lgirdwood@...il.com,
        agross@...nel.org, david.brown@...aro.org,
        bjorn.andersson@...aro.org, jcrouse@...eaurora.org,
        robh+dt@...nel.org, mark.rutland@....com,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org,
        Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@...aro.org>
Subject: Re: [PATCH 2/3] regulator: qcom_spmi: Add support for PM8005

On Tue, May 21, 2019 at 05:16:06PM -0600, Jeffrey Hugo wrote:
> On 5/21/2019 12:50 PM, Mark Brown wrote:

> > > +static int spmi_regulator_common_list_voltage(struct regulator_dev *rdev,
> > > +					      unsigned selector);
> > > +
> > > +static int spmi_regulator_common2_set_voltage(struct regulator_dev *rdev,
> > > +					      unsigned selector)

> > Eeew, can we not have better names?

> I'm open to suggestions.  Apparently there are two register common register
> schemes - the old one and the new one.  PMIC designs after some random point
> in time are all the new register scheme per the documentation I see.

> As far as I an aware, the FT426 design is the first design to be added to
> this driver to make use of the new scheme, but I expect more to be supported
> in future, thus I'm reluctant to make these ft426 specific in the name.

If there's a completely new register map why are these even in the same
driver?

> > > +	if (reg == SPMI_COMMON2_MODE_HPM_MASK)
> > > +		return REGULATOR_MODE_NORMAL;
> > > +
> > > +	if (reg == SPMI_COMMON2_MODE_AUTO_MASK)
> > > +		return REGULATOR_MODE_FAST;
> > > +
> > > +	return REGULATOR_MODE_IDLE;
> > > +}

> > This looks like you want to write a switch statement.

> It follows the existing style in the driver, but sure I can make this a
> switch.

Please fix the rest of the driver as well then.

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