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Date:   Thu, 17 Sep 2020 14:07:24 -0700
From:   Tim Harvey <tharvey@...eworks.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     Rob Herring <robh+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Adam Ford <aford173@...il.com>,
        Daniel Baluta <daniel.baluta@....com>,
        Anson Huang <Anson.Huang@....com>,
        Jacky Bai <ping.bai@....com>, Robin Gong <yibin.gong@....com>,
        Peter Chen <peter.chen@....com>,
        Device Tree Mailing List <devicetree@...r.kernel.org>,
        Linux ARM Mailing List <linux-arm-kernel@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 1/4] ARM: dts: imx6qdl-gw5xxx: correct interrupt flags

On Thu, Sep 17, 2020 at 11:54 AM Krzysztof Kozlowski <krzk@...nel.org> wrote:
>
> GPIO_ACTIVE_x flags are not correct in the context of interrupt flags.
> These are simple defines so they could be used in DTS but they will not
> have the same meaning:
> 1. GPIO_ACTIVE_HIGH = 0 = IRQ_TYPE_NONE
> 2. GPIO_ACTIVE_LOW  = 1 = IRQ_TYPE_EDGE_RISING
>
> Correct the interrupt flags, assuming the author of the code wanted same
> logical behavior behind the name "ACTIVE_xxx", this is:
>   ACTIVE_LOW  => IRQ_TYPE_LEVEL_LOW
>
> Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
>
> ---
>
> Not tested on HW.
>
> Changes since v1:
> 1. Correct title
> ---
>  arch/arm/boot/dts/imx6qdl-gw51xx.dtsi | 3 ++-
>  arch/arm/boot/dts/imx6qdl-gw52xx.dtsi | 3 ++-
>  arch/arm/boot/dts/imx6qdl-gw53xx.dtsi | 3 ++-
>  arch/arm/boot/dts/imx6qdl-gw54xx.dtsi | 3 ++-
>  arch/arm/boot/dts/imx6qdl-gw551x.dtsi | 3 ++-
>  arch/arm/boot/dts/imx6qdl-gw552x.dtsi | 3 ++-
>  arch/arm/boot/dts/imx6qdl-gw553x.dtsi | 3 ++-
>  arch/arm/boot/dts/imx6qdl-gw560x.dtsi | 3 ++-
>  arch/arm/boot/dts/imx6qdl-gw5903.dtsi | 3 ++-
>  arch/arm/boot/dts/imx6qdl-gw5904.dtsi | 3 ++-
>  arch/arm/boot/dts/imx6qdl-gw5907.dtsi | 3 ++-
>  arch/arm/boot/dts/imx6qdl-gw5910.dtsi | 3 ++-
>  arch/arm/boot/dts/imx6qdl-gw5912.dtsi | 3 ++-
>  arch/arm/boot/dts/imx6qdl-gw5913.dtsi | 3 ++-
>  14 files changed, 28 insertions(+), 14 deletions(-)
>
> diff --git a/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi
> index 4d01c3300b97..3c04b5a4f3cb 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi
> @@ -5,6 +5,7 @@
>
>  #include <dt-bindings/gpio/gpio.h>
>  #include <dt-bindings/input/linux-event-codes.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
>
>  / {
>         /* these are used by bootloader for disabling nodes */
> @@ -152,7 +153,7 @@
>                 compatible = "gw,gsc";
>                 reg = <0x20>;
>                 interrupt-parent = <&gpio1>;
> -               interrupts = <4 GPIO_ACTIVE_LOW>;
> +               interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
>                 interrupt-controller;
>                 #interrupt-cells = <1>;
>                 #size-cells = <0>;
> diff --git a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
> index f6182a9d201c..736074f1c3ef 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
> @@ -5,6 +5,7 @@
>
>  #include <dt-bindings/gpio/gpio.h>
>  #include <dt-bindings/input/linux-event-codes.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
>
>  / {
>         /* these are used by bootloader for disabling nodes */
> @@ -217,7 +218,7 @@
>                 compatible = "gw,gsc";
>                 reg = <0x20>;
>                 interrupt-parent = <&gpio1>;
> -               interrupts = <4 GPIO_ACTIVE_LOW>;
> +               interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
>                 interrupt-controller;
>                 #interrupt-cells = <1>;
>                 #size-cells = <0>;
> diff --git a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi
> index a28e79463d0c..8072ed47c6bb 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi
> @@ -5,6 +5,7 @@
>
>  #include <dt-bindings/gpio/gpio.h>
>  #include <dt-bindings/input/linux-event-codes.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
>
>  / {
>         /* these are used by bootloader for disabling nodes */
> @@ -210,7 +211,7 @@
>                 compatible = "gw,gsc";
>                 reg = <0x20>;
>                 interrupt-parent = <&gpio1>;
> -               interrupts = <4 GPIO_ACTIVE_LOW>;
> +               interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
>                 interrupt-controller;
>                 #interrupt-cells = <1>;
>                 #size-cells = <0>;
> diff --git a/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi
> index 55f368e192c0..8c9bcdd39830 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi
> @@ -5,6 +5,7 @@
>
>  #include <dt-bindings/gpio/gpio.h>
>  #include <dt-bindings/input/linux-event-codes.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
>  #include <dt-bindings/sound/fsl-imx-audmux.h>
>
>  / {
> @@ -247,7 +248,7 @@
>                 compatible = "gw,gsc";
>                 reg = <0x20>;
>                 interrupt-parent = <&gpio1>;
> -               interrupts = <4 GPIO_ACTIVE_LOW>;
> +               interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
>                 interrupt-controller;
>                 #interrupt-cells = <1>;
>                 #address-cells = <1>;
> diff --git a/arch/arm/boot/dts/imx6qdl-gw551x.dtsi b/arch/arm/boot/dts/imx6qdl-gw551x.dtsi
> index 1516e2b0bcde..e5d803d023c8 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw551x.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw551x.dtsi
> @@ -48,6 +48,7 @@
>  #include <dt-bindings/gpio/gpio.h>
>  #include <dt-bindings/media/tda1997x.h>
>  #include <dt-bindings/input/linux-event-codes.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
>  #include <dt-bindings/sound/fsl-imx-audmux.h>
>
>  / {
> @@ -219,7 +220,7 @@
>                 compatible = "gw,gsc";
>                 reg = <0x20>;
>                 interrupt-parent = <&gpio1>;
> -               interrupts = <4 GPIO_ACTIVE_LOW>;
> +               interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
>                 interrupt-controller;
>                 #interrupt-cells = <1>;
>                 #size-cells = <0>;
> diff --git a/arch/arm/boot/dts/imx6qdl-gw552x.dtsi b/arch/arm/boot/dts/imx6qdl-gw552x.dtsi
> index 0da6e6f7482b..290a607fede9 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw552x.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw552x.dtsi
> @@ -5,6 +5,7 @@
>
>  #include <dt-bindings/gpio/gpio.h>
>  #include <dt-bindings/input/linux-event-codes.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
>
>  / {
>         /* these are used by bootloader for disabling nodes */
> @@ -144,7 +145,7 @@
>                 compatible = "gw,gsc";
>                 reg = <0x20>;
>                 interrupt-parent = <&gpio1>;
> -               interrupts = <4 GPIO_ACTIVE_LOW>;
> +               interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
>                 interrupt-controller;
>                 #interrupt-cells = <1>;
>                 #size-cells = <0>;
> diff --git a/arch/arm/boot/dts/imx6qdl-gw553x.dtsi b/arch/arm/boot/dts/imx6qdl-gw553x.dtsi
> index faf9a3ba61b2..c15b9cc63bf8 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw553x.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw553x.dtsi
> @@ -47,6 +47,7 @@
>
>  #include <dt-bindings/gpio/gpio.h>
>  #include <dt-bindings/input/linux-event-codes.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
>
>  / {
>         /* these are used by bootloader for disabling nodes */
> @@ -180,7 +181,7 @@
>                 compatible = "gw,gsc";
>                 reg = <0x20>;
>                 interrupt-parent = <&gpio1>;
> -               interrupts = <4 GPIO_ACTIVE_LOW>;
> +               interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
>                 interrupt-controller;
>                 #interrupt-cells = <1>;
>                 #size-cells = <0>;
> diff --git a/arch/arm/boot/dts/imx6qdl-gw560x.dtsi b/arch/arm/boot/dts/imx6qdl-gw560x.dtsi
> index f68f9dada5b0..093a219a77ae 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw560x.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw560x.dtsi
> @@ -47,6 +47,7 @@
>
>  #include <dt-bindings/gpio/gpio.h>
>  #include <dt-bindings/input/input.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
>
>  / {
>         /* these are used by bootloader for disabling nodes */
> @@ -294,7 +295,7 @@
>                 compatible = "gw,gsc";
>                 reg = <0x20>;
>                 interrupt-parent = <&gpio1>;
> -               interrupts = <4 GPIO_ACTIVE_LOW>;
> +               interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
>                 interrupt-controller;
>                 #interrupt-cells = <1>;
>                 #size-cells = <0>;
> diff --git a/arch/arm/boot/dts/imx6qdl-gw5903.dtsi b/arch/arm/boot/dts/imx6qdl-gw5903.dtsi
> index fbe6c32bd756..e1c8dd233cab 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw5903.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw5903.dtsi
> @@ -47,6 +47,7 @@
>
>  #include <dt-bindings/gpio/gpio.h>
>  #include <dt-bindings/input/linux-event-codes.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
>
>  / {
>         chosen {
> @@ -235,7 +236,7 @@
>                 compatible = "gw,gsc";
>                 reg = <0x20>;
>                 interrupt-parent = <&gpio1>;
> -               interrupts = <4 GPIO_ACTIVE_LOW>;
> +               interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
>                 interrupt-controller;
>                 #interrupt-cells = <1>;
>                 #size-cells = <0>;
> diff --git a/arch/arm/boot/dts/imx6qdl-gw5904.dtsi b/arch/arm/boot/dts/imx6qdl-gw5904.dtsi
> index 23c6e4047621..3cd2e717c1da 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw5904.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw5904.dtsi
> @@ -47,6 +47,7 @@
>
>  #include <dt-bindings/gpio/gpio.h>
>  #include <dt-bindings/input/linux-event-codes.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
>
>  / {
>         /* these are used by bootloader for disabling nodes */
> @@ -257,7 +258,7 @@
>                 compatible = "gw,gsc";
>                 reg = <0x20>;
>                 interrupt-parent = <&gpio1>;
> -               interrupts = <4 GPIO_ACTIVE_LOW>;
> +               interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
>                 interrupt-controller;
>                 #interrupt-cells = <1>;
>                 #size-cells = <0>;
> diff --git a/arch/arm/boot/dts/imx6qdl-gw5907.dtsi b/arch/arm/boot/dts/imx6qdl-gw5907.dtsi
> index b1ff7c859c4d..21c68a55bcb9 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw5907.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw5907.dtsi
> @@ -5,6 +5,7 @@
>
>  #include <dt-bindings/gpio/gpio.h>
>  #include <dt-bindings/input/linux-event-codes.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
>
>  / {
>         /* these are used by bootloader for disabling nodes */
> @@ -154,7 +155,7 @@
>                 compatible = "gw,gsc";
>                 reg = <0x20>;
>                 interrupt-parent = <&gpio1>;
> -               interrupts = <4 GPIO_ACTIVE_LOW>;
> +               interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
>                 interrupt-controller;
>                 #interrupt-cells = <1>;
>                 #size-cells = <0>;
> diff --git a/arch/arm/boot/dts/imx6qdl-gw5910.dtsi b/arch/arm/boot/dts/imx6qdl-gw5910.dtsi
> index 6c943a517ad7..ed4e22259959 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw5910.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw5910.dtsi
> @@ -5,6 +5,7 @@
>
>  #include <dt-bindings/gpio/gpio.h>
>  #include <dt-bindings/input/linux-event-codes.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
>
>  / {
>         /* these are used by bootloader for disabling nodes */
> @@ -163,7 +164,7 @@
>                 compatible = "gw,gsc";
>                 reg = <0x20>;
>                 interrupt-parent = <&gpio1>;
> -               interrupts = <4 GPIO_ACTIVE_LOW>;
> +               interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
>                 interrupt-controller;
>                 #interrupt-cells = <1>;
>                 #size-cells = <0>;
> diff --git a/arch/arm/boot/dts/imx6qdl-gw5912.dtsi b/arch/arm/boot/dts/imx6qdl-gw5912.dtsi
> index 441d8ce97aa4..797f160249f7 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw5912.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw5912.dtsi
> @@ -5,6 +5,7 @@
>
>  #include <dt-bindings/gpio/gpio.h>
>  #include <dt-bindings/input/linux-event-codes.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
>
>  / {
>         /* these are used by bootloader for disabling nodes */
> @@ -158,7 +159,7 @@
>                 compatible = "gw,gsc";
>                 reg = <0x20>;
>                 interrupt-parent = <&gpio1>;
> -               interrupts = <4 GPIO_ACTIVE_LOW>;
> +               interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
>                 interrupt-controller;
>                 #interrupt-cells = <1>;
>                 #address-cells = <1>;
> diff --git a/arch/arm/boot/dts/imx6qdl-gw5913.dtsi b/arch/arm/boot/dts/imx6qdl-gw5913.dtsi
> index d62a8da49367..4cd7d290f5b2 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw5913.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw5913.dtsi
> @@ -5,6 +5,7 @@
>
>  #include <dt-bindings/gpio/gpio.h>
>  #include <dt-bindings/input/linux-event-codes.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
>
>  / {
>         /* these are used by bootloader for disabling nodes */
> @@ -139,7 +140,7 @@
>                 compatible = "gw,gsc";
>                 reg = <0x20>;
>                 interrupt-parent = <&gpio1>;
> -               interrupts = <4 GPIO_ACTIVE_LOW>;
> +               interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
>                 interrupt-controller;
>                 #interrupt-cells = <1>;
>                 #size-cells = <0>;
> --
> 2.17.1
>

for series:
Acked-By: Tim Harvey <tharvey@...eworks.com>

Thanks Krzysztof

Tim


Tim

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