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SubjectRe: [PATCH v2] mfd: intel_soc_pmic_bxtwc: Add Intel BXT WhiskeyCove PMIC ADC thermal channel-zone mapping
On Mon, 20 Jun 2016, Lee Jones wrote:
> On Sun, 19 Jun 2016, Bin Gao wrote:

> > On Fri, Jun 17, 2016 at 09:01:59AM +0100, Lee Jones wrote:
> > > > +static struct trip_config_map str0_trip_config[] = {
> > > > + {
> > > > + .irq_reg = BXTWC_THRM0IRQ,
> > > > + .irq_mask = 0x01,
> > > > + .irq_en = BXTWC_MTHRM0IRQ,
> > > > + .irq_en_mask = 0x01,
> > > > + .evt_stat = BXTWC_STHRM0IRQ,
> > > > + .evt_mask = 0x01,
> > > > + .trip_num = 0
> > > > + },
> > > > + {
> > > > + .irq_reg = BXTWC_THRM0IRQ,
> > > > + .irq_mask = 0x10,
> > > > + .irq_en = BXTWC_MTHRM0IRQ,
> > > > + .irq_en_mask = 0x10,
> > > > + .evt_stat = BXTWC_STHRM0IRQ,
> > > > + .evt_mask = 0x10,
> > > > + .trip_num = 1
> > > > + }
> > > > +};
> > > > +
> > > > +static struct trip_config_map str1_trip_config[] = {
> > > > + {
> > > > + .irq_reg = BXTWC_THRM0IRQ,
> > > > + .irq_mask = 0x02,
> > > > + .irq_en = BXTWC_MTHRM0IRQ,
> > > > + .irq_en_mask = 0x02,
> > > > + .evt_stat = BXTWC_STHRM0IRQ,
> > > > + .evt_mask = 0x02,
> > > > + .trip_num = 0
> > > > + },
> > > > + {
> > > > + .irq_reg = BXTWC_THRM0IRQ,
> > > > + .irq_mask = 0x20,
> > > > + .irq_en = BXTWC_MTHRM0IRQ,
> > > > + .irq_en_mask = 0x20,
> > > > + .evt_stat = BXTWC_STHRM0IRQ,
> > > > + .evt_mask = 0x20,
> > > > + .trip_num = 1
> > > > + },
> > > > +};
> > > > +
> > > > +static struct trip_config_map str2_trip_config[] = {
> > > > + {
> > > > + .irq_reg = BXTWC_THRM0IRQ,
> > > > + .irq_mask = 0x04,
> > > > + .irq_en = BXTWC_MTHRM0IRQ,
> > > > + .irq_en_mask = 0x04,
> > > > + .evt_stat = BXTWC_STHRM0IRQ,
> > > > + .evt_mask = 0x04,
> > > > + .trip_num = 0
> > > > + },
> > > > + {
> > > > + .irq_reg = BXTWC_THRM0IRQ,
> > > > + .irq_mask = 0x40,
> > > > + .irq_en = BXTWC_MTHRM0IRQ,
> > > > + .irq_en_mask = 0x40,
> > > > + .evt_stat = BXTWC_STHRM0IRQ,
> > > > + .evt_mask = 0x40,
> > > > + .trip_num = 1
> > > > + },
> > > > +};
> > > > +
> > > > +static struct trip_config_map str3_trip_config[] = {
> > > > + {
> > > > + .irq_reg = BXTWC_THRM2IRQ,
> > > > + .irq_mask = 0x10,
> > > > + .irq_en = BXTWC_MTHRM2IRQ,
> > > > + .irq_en_mask = 0x10,
> > > > + .evt_stat = BXTWC_STHRM2IRQ,
> > > > + .evt_mask = 0x10,
> > > > + .trip_num = 0
> > > > + },
> > > > +};
> > >
> > > This looks like a register map to me.
> > >
> > > Can you use the regmap framework instead?
> >
> > These are platform data used by another driver(thermal driver) which
> > uses regmap framework to access some of the fields of the structure(
> > irq_reg, irq_en and evt_stat).
>
> I suggest you create the regmap here and pass it to the thermal driver
> instead.

Better yet, why don't you just create the regmap in the thermal
driver? There is no need (in fact, it's not even allowed) to pass
register addresses though platform data.

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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