linux-kernel - Re: [PATCH 7/9] regulator: mt6358: Add output voltage fine tuning to fixed regulators

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Date:   Thu, 15 Jun 2023 11:24:42 +0800
From:   Chen-Yu Tsai <wenst@...omium.org>
To:     Mark Brown <broonie@...nel.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 7/9] regulator: mt6358: Add output voltage fine tuning to
 fixed regulators

On Thu, Jun 15, 2023 at 12:15 AM Mark Brown <broonie@...nel.org> wrote:
>
> On Fri, Jun 09, 2023 at 04:30:04PM +0800, Chen-Yu Tsai wrote:
> > The "fixed" LDO regulators found on the MT6358 and MT6366 PMICs have
> > either no voltage selection register, or only one valid setting.
> > However these do have a fine voltage calibration setting that can
> > slightly boost the output voltage from 0 mV to 100 mV, in 10 mV
> > increments.
>
> This and the followup patch break the build on both arm64 and x86_64:
>
> /build/stage/linux/drivers/regulator/mt6358-regulator.c:127:29: error: ‘MT6358_VFE28_ANA_CON0’ undeclared here (not in a function); did you mean ‘MT6358_VIO28_ANA_CON0’?
>   127 |                 .vsel_reg = MT6358_##vreg##_ANA_CON0,   \
>       |                             ^~~~~~~

Argh, I sequenced the patches in my tree incorrectly. I see you already
merged the first six patches. I'll send a new version including a header
change that this patch needs, and other fixups that reviewers suggested.

ChenYu


> /build/stage/linux/drivers/regulator/mt6358-regulator.c:525:9: note: in expansion of macro ‘MT6358_REG_FIXED’
>   525 |         MT6358_REG_FIXED("ldo_vfe28", VFE28, MT6358_LDO_VFE28_CON0, 0, 2800000),
>       |         ^~~~~~~~~~~~~~~~
> /build/stage/linux/drivers/regulator/mt6358-regulator.c:127:29: error: ‘MT6358_VCN28_ANA_CON0’ undeclared here (not in a function); did you mean ‘MT6358_VCN18_ANA_CON0’?
>   127 |                 .vsel_reg = MT6358_##vreg##_ANA_CON0,   \
>       |                             ^~~~~~~
> /build/stage/linux/drivers/regulator/mt6358-regulator.c:526:9: note: in expansion of macro ‘MT6358_REG_FIXED’
>   526 |         MT6358_REG_FIXED("ldo_vcn28", VCN28, MT6358_LDO_VCN28_CON0, 0, 2800000),
>       |         ^~~~~~~~~~~~~~~~
> /build/stage/linux/drivers/regulator/mt6358-regulator.c:127:29: error: ‘MT6358_VXO22_ANA_CON0’ undeclared here (not in a function); did you mean ‘MT6358_VIO28_ANA_CON0’?
>   127 |                 .vsel_reg = MT6358_##vreg##_ANA_CON0,   \
>       |                             ^~~~~~~
> /build/stage/linux/drivers/regulator/mt6358-regulator.c:527:9: note: in expansion of macro ‘MT6358_REG_FIXED’
>   527 |         MT6358_REG_FIXED("ldo_vxo22", VXO22, MT6358_LDO_VXO22_CON0, 0, 2200000),
>       |         ^~~~~~~~~~~~~~~~
> /build/stage/linux/drivers/regulator/mt6358-regulator.c:127:29: error: ‘MT6358_VAUX18_ANA_CON0’ undeclared here (not in a function); did you mean ‘MT6358_VRF18_ANA_CON0’?
>   127 |                 .vsel_reg = MT6358_##vreg##_ANA_CON0,   \
>       |                             ^~~~~~~
> /build/stage/linux/drivers/regulator/mt6358-regulator.c:528:9: note: in expansion of macro ‘MT6358_REG_FIXED’
>   528 |         MT6358_REG_FIXED("ldo_vaux18", VAUX18,
>       |         ^~~~~~~~~~~~~~~~
> /build/stage/linux/drivers/regulator/mt6358-regulator.c:127:29: error: ‘MT6358_VBIF28_ANA_CON0’ undeclared here (not in a function); did you mean ‘MT6358_VIO28_ANA_CON0’?
>   127 |                 .vsel_reg = MT6358_##vreg##_ANA_CON0,   \
>       |                             ^~~~~~~
> /build/stage/linux/drivers/regulator/mt6358-regulator.c:530:9: note: in expansion of macro ‘MT6358_REG_FIXED’
>   530 |         MT6358_REG_FIXED("ldo_vbif28", VBIF28,
>       |         ^~~~~~~~~~~~~~~~
> /build/stage/linux/drivers/regulator/mt6358-regulator.c:127:29: error: ‘MT6358_VAUD28_ANA_CON0’ undeclared here (not in a function); did you mean ‘MT6358_VA12_ANA_CON0’?
>   127 |                 .vsel_reg = MT6358_##vreg##_ANA_CON0,   \
>       |                             ^~~~~~~
> /build/stage/linux/drivers/regulator/mt6358-regulator.c:535:9: note: in expansion of macro ‘MT6358_REG_FIXED’
>   535 |         MT6358_REG_FIXED("ldo_vaud28", VAUD28,
>       |         ^~~~~~~~~~~~~~~~