Re: [PATCH 1/2] ARM: dts: exynos: Use macro for PWM signal polarity in Exynos4 boards

From: Krzysztof Kozlowski
Date: Fri Oct 28 2016 - 09:42:14 EST


On Thu, Oct 27, 2016 at 02:47:17PM -0300, Javier Martinez Canillas wrote:
> Using the PWM_POLARITY_INVERTED macro instead of the hardcoded number
> 0 makes the DTS easier to read.


Eeee.... PWM_POLARITY_INVERTED = 1 << 0 = 1.

And you are replacing 0 with 1. Hm? This is not described at all in
commit message...

Best regards,
Krzysztof

>
> Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
> ---
>
> arch/arm/boot/dts/exynos4412-odroidu3.dts | 3 ++-
> arch/arm/boot/dts/exynos4412-trats2.dts | 3 ++-
> 2 files changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/boot/dts/exynos4412-odroidu3.dts b/arch/arm/boot/dts/exynos4412-odroidu3.dts
> index 99634c54dca9..480a80624b77 100644
> --- a/arch/arm/boot/dts/exynos4412-odroidu3.dts
> +++ b/arch/arm/boot/dts/exynos4412-odroidu3.dts
> @@ -12,6 +12,7 @@
> */
>
> /dts-v1/;
> +#include <dt-bindings/pwm/pwm.h>
> #include "exynos4412-odroid-common.dtsi"
>
> / {
> @@ -35,7 +36,7 @@
>
> fan0: pwm-fan {
> compatible = "pwm-fan";
> - pwms = <&pwm 0 10000 0>;
> + pwms = <&pwm 0 10000 PWM_POLARITY_INVERTED>;
> cooling-min-state = <0>;
> cooling-max-state = <3>;
> #cooling-cells = <2>;
> diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts
> index 41ecd6d465a7..63ad30507d4f 100644
> --- a/arch/arm/boot/dts/exynos4412-trats2.dts
> +++ b/arch/arm/boot/dts/exynos4412-trats2.dts
> @@ -18,6 +18,7 @@
> #include <dt-bindings/gpio/gpio.h>
> #include <dt-bindings/interrupt-controller/irq.h>
> #include <dt-bindings/clock/maxim,max77686.h>
> +#include <dt-bindings/pwm/pwm.h>
>
> / {
> model = "Samsung Trats 2 based on Exynos4412";
> @@ -164,7 +165,7 @@
> max77693_haptic {
> compatible = "maxim,max77693-haptic";
> haptic-supply = <&ldo26_reg>;
> - pwms = <&pwm 0 38022 0>;
> + pwms = <&pwm 0 38022 PWM_POLARITY_INVERTED>;
> };
>
> charger {
> --
> 2.7.4
>