From: Gene Chen <gene.chen.richtek@gmail.com>
To: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Gene Chen <gene_chen@richtek.com>,
devicetree <devicetree@vger.kernel.org>,
linux-pm@vger.kernel.org, sre@kernel.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
ChiYuan Huang <cy_huang@richtek.com>,
benjamin.chao@mediatek.com, Rob Herring <robh+dt@kernel.org>,
"moderated list:ARM/Mediatek SoC support"
<linux-mediatek@lists.infradead.org>,
Wilma.Wu@mediatek.com,
linux-arm Mailing List <linux-arm-kernel@lists.infradead.org>,
shufan_lee@richtek.com
Subject: Re: [PATCH v7 04/11] mfd: mt6360: Combine mt6360 pmic/ldo resources into mt6360 regulator resources
Date: Fri, 15 Jan 2021 11:55:00 +0800 [thread overview]
Message-ID: <CAE+NS34qR9f2LOpvxTBDF4OR=Xq-SFP+uHdWe3dZ5x8xggS8kA@mail.gmail.com> (raw)
In-Reply-To: <74b127eb-9a3c-20c9-5692-b00b982f4da3@gmail.com>
Matthias Brugger <matthias.bgg@gmail.com> 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 <gene_chen@richtek.com>
> >
> > Combine mt6360 pmic/ldo resources into mt6360 regulator resources
> > to simplify the similar resources object.
> >
> > Signed-off-by: Gene Chen <gene_chen@richtek.com>
> > Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
> > ---
> > 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/20210111164118.GE4728@sirena.org.uk/
>
Should I use parent's device to find sub-devices of_node if without
compatible name?
I trace the function mfd_add_device,
if (IS_ENABLED(CONFIG_OF) && parent->of_node && cell->of_compatible) {
.....
ret = mfd_match_of_node_to_dev(pdev, np, cell);
.....
}
which is binding mfd sub-device with compatible. Does it be removed in
the feature?
> > OF_MFD_CELL("mt6360-tcpc", NULL,
> > NULL, 0, 0, "mediatek,mt6360-tcpc"),
> > };
> >
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next prev parent reply other threads:[~2021-01-15 3:55 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-12 10:39 [PATCH v7 0/11] mfd: mt6360: Merge different sub-devices I2C read/write Gene Chen
2020-11-12 10:39 ` [PATCH v7 01/11] mfd: mt6360: Rearrange include file Gene Chen
2020-11-12 10:39 ` [PATCH v7 02/11] mfd: mt6360: Remove redundant brackets around raw numbers Gene Chen
2020-11-12 10:39 ` [PATCH v7 03/11] mfd: mt6360: Indicate sub-dev compatible name by using "-" Gene Chen
2020-11-12 10:39 ` [PATCH v7 04/11] mfd: mt6360: Combine mt6360 pmic/ldo resources into mt6360 regulator resources Gene Chen
2021-01-12 12:32 ` Matthias Brugger
2021-01-15 3:55 ` Gene Chen [this message]
2021-01-15 7:32 ` Lee Jones
2021-03-02 7:16 ` Gene Chen
2021-03-22 11:00 ` Gene Chen
2021-03-23 9:38 ` Lee Jones
2021-05-11 12:14 ` Gene Chen
2021-05-12 6:24 ` Lee Jones
2021-03-29 15:38 ` Matthias Brugger
2020-11-12 10:39 ` [PATCH v7 05/11] mfd: mt6360: Rename mt6360_pmu_data by mt6360_ddata Gene Chen
2020-11-12 10:39 ` [PATCH v7 06/11] mfd: mt6360: Rename mt6360_pmu by mt6360 Gene Chen
2020-11-12 10:39 ` [PATCH v7 07/11] mfd: mt6360: Remove handle_post_irq callback function Gene Chen
2020-11-12 10:39 ` [PATCH v7 08/11] mfd: mt6360: Fix flow which is used to check ic exist Gene Chen
2020-11-12 10:39 ` [PATCH v7 09/11] mfd: mt6360: Merge header file into driver and remove unuse register define Gene Chen
2020-11-12 10:39 ` [PATCH v7 10/11] mfd: mt6360: Merge different sub-devices I2C read/write Gene Chen
2020-11-12 10:39 ` [PATCH v7 11/11] mfd: mt6360: Remove MT6360 regulator of_compatible attribute Gene Chen
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