Re: [PATCH] dt-bindings: mfd: Improve readability for TPS65217 interrupt sources

From: Lee Jones
Date: Tue Nov 22 2016 - 10:57:19 EST


On Tue, 22 Nov 2016, Lee Jones wrote:

> On Mon, 21 Nov 2016, Milo Kim wrote:
>
> > AC and USB interrupts are related with external power input.
> > PB interrupt means push button pressed or released event.
> > Use better human readable definitions.
> >
> > Signed-off-by: Milo Kim <woogyom.kim@xxxxxxxxx>
> > ---
> > arch/arm/boot/dts/am335x-bone-common.dtsi | 4 ++--
> > include/dt-bindings/mfd/tps65217.h | 6 +++---
> > 2 files changed, 5 insertions(+), 5 deletions(-)
> >
> > diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi
> > index dc561d5..1848d58 100644
> > --- a/arch/arm/boot/dts/am335x-bone-common.dtsi
> > +++ b/arch/arm/boot/dts/am335x-bone-common.dtsi
> > @@ -319,13 +319,13 @@
> > ti,pmic-shutdown-controller;
> >
> > charger {
> > - interrupts = <TPS65217_IRQ_AC>, <TPS65217_IRQ_USB>;
> > + interrupts = <TPS65217_IRQ_AC_POWER>, <TPS65217_IRQ_USB_POWER>;
> > interrupts-names = "AC", "USB";
> > status = "okay";
> > };
> >
> > pwrbutton {
> > - interrupts = <TPS65217_IRQ_PB>;
> > + interrupts = <TPS65217_IRQ_PUSHBUTTON>;
>
> Push button or power button?
>
> > status = "okay";
> > };
> >
> > diff --git a/include/dt-bindings/mfd/tps65217.h b/include/dt-bindings/mfd/tps65217.h
> > index cafb9e6..0293fdd 100644
> > --- a/include/dt-bindings/mfd/tps65217.h
> > +++ b/include/dt-bindings/mfd/tps65217.h
> > @@ -19,8 +19,8 @@
> > #ifndef __DT_BINDINGS_TPS65217_H__
> > #define __DT_BINDINGS_TPS65217_H__
> >
> > -#define TPS65217_IRQ_USB 0
> > -#define TPS65217_IRQ_AC 1
> > -#define TPS65217_IRQ_PB 2
> > +#define TPS65217_IRQ_USB_POWER 0 /* USB power state change */
> > +#define TPS65217_IRQ_AC_POWER 1 /* AC power state change */
> > +#define TPS65217_IRQ_PUSHBUTTON 2 /* Push button state change */
>
> This changes the ABI.
>
> It will require a DT Ack.

Tell a lie. Sorry, I was getting false positives from my grep. It
looks like you use the same scheme from within include/linux. I
suggest that you probable don't want to do that.

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