by Lee Jones

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Subject: Re: [PATCH v7 04/11] mfd: mt6360: Combine mt6360 pmic/ldo resources into mt6360 regulator resources

On Tue, 11 May 2021, Gene Chen wrote:

> Lee Jones <[email protected]> 於 2021年3月23日週二下午5:38寫道：
> >
> > On Tue, 02 Mar 2021, Gene Chen wrote:
> >
> > > Lee Jones <[email protected]> 於 2021年1月15日週五下午3:32寫道：
> > > >
> > > > On Fri, 15 Jan 2021, Gene Chen wrote:
> > > >
> > > > > Matthias Brugger <[email protected]> 於 2021年1月12日週二下午8:32寫道：
> > > > > >
> > > > > >
> > > > > >
> > > > > > On 12/11/2020 11:39, Gene Chen wrote:
> > > > > > > From: Gene Chen <[email protected]>
> > > > > > >
> > > > > > > Combine mt6360 pmic/ldo resources into mt6360 regulator resources
> > > > > > > to simplify the similar resources object.
> > > > > > >
> > > > > > > Signed-off-by: Gene Chen <[email protected]>
> > > > > > > Acked-for-MFD-by: Lee Jones <[email protected]>
> > > > > > > ---
> > > > > > > drivers/mfd/mt6360-core.c | 11 +++--------
> > > > > > > 1 file changed, 3 insertions(+), 8 deletions(-)
> > > > > > >
> > > > > > > diff --git a/drivers/mfd/mt6360-core.c b/drivers/mfd/mt6360-core.c
> > > > > > > index 692e47b..5119e51 100644
> > > > > > > --- a/drivers/mfd/mt6360-core.c
> > > > > > > +++ b/drivers/mfd/mt6360-core.c
> > > > > > > @@ -265,7 +265,7 @@ static const struct resource mt6360_led_resources[] = {
> > > > > > > DEFINE_RES_IRQ_NAMED(MT6360_FLED1_STRB_TO_EVT, "fled1_strb_to_evt"),
> > > > > > > };
> > > > > > >
> > > > > > > -static const struct resource mt6360_pmic_resources[] = {
> > > > > > > +static const struct resource mt6360_regulator_resources[] = {
> > > > > > > DEFINE_RES_IRQ_NAMED(MT6360_BUCK1_PGB_EVT, "buck1_pgb_evt"),
> > > > > > > DEFINE_RES_IRQ_NAMED(MT6360_BUCK1_OC_EVT, "buck1_oc_evt"),
> > > > > > > DEFINE_RES_IRQ_NAMED(MT6360_BUCK1_OV_EVT, "buck1_ov_evt"),
> > > > > > > @@ -278,9 +278,6 @@ static const struct resource mt6360_pmic_resources[] = {
> > > > > > > DEFINE_RES_IRQ_NAMED(MT6360_LDO7_OC_EVT, "ldo7_oc_evt"),
> > > > > > > DEFINE_RES_IRQ_NAMED(MT6360_LDO6_PGB_EVT, "ldo6_pgb_evt"),
> > > > > > > DEFINE_RES_IRQ_NAMED(MT6360_LDO7_PGB_EVT, "ldo7_pgb_evt"),
> > > > > > > -};
> > > > > > > -
> > > > > > > -static const struct resource mt6360_ldo_resources[] = {
> > > > > > > DEFINE_RES_IRQ_NAMED(MT6360_LDO1_OC_EVT, "ldo1_oc_evt"),
> > > > > > > DEFINE_RES_IRQ_NAMED(MT6360_LDO2_OC_EVT, "ldo2_oc_evt"),
> > > > > > > DEFINE_RES_IRQ_NAMED(MT6360_LDO3_OC_EVT, "ldo3_oc_evt"),
> > > > > > > @@ -298,10 +295,8 @@ static const struct mfd_cell mt6360_devs[] = {
> > > > > > > NULL, 0, 0, "mediatek,mt6360-chg"),
> > > > > > > OF_MFD_CELL("mt6360-led", mt6360_led_resources,
> > > > > > > NULL, 0, 0, "mediatek,mt6360-led"),
> > > > > > > - OF_MFD_CELL("mt6360-pmic", mt6360_pmic_resources,
> > > > > > > - NULL, 0, 0, "mediatek,mt6360-pmic"),
> > > > > > > - OF_MFD_CELL("mt6360-ldo", mt6360_ldo_resources,
> > > > > > > - NULL, 0, 0, "mediatek,mt6360-ldo"),
> > > > > > > + OF_MFD_CELL("mt6360-regulator", mt6360_regulator_resources,
> > > > > > > + NULL, 0, 0, "mediatek,mt6360-regulator"),
> > > > > >
> > > > > > As discussed with the MFD maintainer [1], the regulator (and probably all cells)
> > > > > > shouldn't have a DT binding.
> > > > > >
> > > > > > So please send a new version which fixes that.
> > > > > >
> > > > > > Regards,
> > > > > > Matthias
> > > > > >
> > > > > > [1] https://lore.kernel.org/linux-mediatek/[email protected]/
> > > >
> > > > I don't think Mark is correct here.
> > > >
> > > > We usually do implement compatible strings for sub-devices and they do
> > > > tend to have their own device nodes.
> > > >
> > > > It's a very long time ago since I coded this up myself, but from
> > > > memory, you can't have 2 devices share a compatible string.
> > > >
> > >
> > > Either Mark or Lee suggestion is work.
> > > Is there a conclusion that we can apply it?
> > > If MFD is already supported of_compatible, we prefer use of_compatible mapping.
> >
> > I would resubmit the set. We can start afresh from there.
>
> Dear Jones,
>
> Should I send fixed patch about adding regulator node directly can
> make easier for you to re-submit new patch?

Don't worry about me. Do what's best for you.

I look forward to receiving the new set soon.

--
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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