Re: [PATCH v2] arm64: dts: allwinner: beelink-gs1: Update LED power node

From: Maxime Ripard
Date: Mon Oct 19 2020 - 06:35:04 EST


On Sun, Oct 18, 2020 at 07:25:10PM +0200, Clément Péron wrote:
> HI Maxime,
>
> On Mon, 12 Oct 2020 at 13:22, Maxime Ripard <maxime@xxxxxxxxxx> wrote:
> >
> > Hi!
> >
> > On Sun, Oct 11, 2020 at 11:22:37PM +0200, Clément Péron wrote:
> > > Beelink GS1 LED trigger a warning when running dtbs_check.
> > >
> > > Update the node with a valid pattern property.
> > >
> > > Also add the function and the color of the LED and drop the
> > > label which is deprecated.
> > >
> > > Signed-off-by: Clément Péron <peron.clem@xxxxxxxxx>
> > > ---
> > > arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts | 6 ++++--
> > > 1 file changed, 4 insertions(+), 2 deletions(-)
> > >
> > > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts b/arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts
> > > index 3f7ceeb1a767..a364cb4e5b3f 100644
> > > --- a/arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts
> > > +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-beelink-gs1.dts
> > > @@ -7,6 +7,7 @@
> > > #include "sun50i-h6-cpu-opp.dtsi"
> > >
> > > #include <dt-bindings/gpio/gpio.h>
> > > +#include <dt-bindings/leds/common.h>
> > >
> > > / {
> > > model = "Beelink GS1";
> > > @@ -43,8 +44,9 @@ ext_osc32k: ext_osc32k_clk {
> > > leds {
> > > compatible = "gpio-leds";
> > >
> > > - power {
> > > - label = "beelink:white:power";
> > > + led-0 {
> > > + function = LED_FUNCTION_POWER;
> > > + color = <LED_COLOR_ID_WHITE>;
> > > gpios = <&r_pio 0 4 GPIO_ACTIVE_HIGH>; /* PL4 */
> > > default-state = "on";
> > > };
> >
> > Doesn't that also change the sysfs file that LED is exposed to the userspace with?
>
> Indeed the previous led sysfs:
> /sys/class/leds/beelink:white:power/
> is now
> /sys/class/leds/white:power/
>
> Do you want me to keep the label property to avoid this sysfs change ?

I don't know, the documentation seems to indicate that we should use one
or the other, but I'm not sure if both makes sense or not. I guess we
should ask Pavel or Rob?

Maxime

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