Re: [PATCH] ARM: dts: imx53-ppd: Use IRQ_TYPE_* constants

From: Ezequiel Garcia
Date: Fri Apr 20 2018 - 13:05:59 EST


On Fri, 2018-04-20 at 17:45 +0200, Sebastian Reichel wrote:
> Replace magic numbers with IRQ_TYPE_* constants to improve
> DT readability.
>
> Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxxxx>
> ---
> arch/arm/boot/dts/imx53-ppd.dts | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm/boot/dts/imx53-ppd.dts b/arch/arm/boot/dts/imx53-ppd.dts
> index d5628af2e301..d02d07470ad3 100644
> --- a/arch/arm/boot/dts/imx53-ppd.dts
> +++ b/arch/arm/boot/dts/imx53-ppd.dts
> @@ -300,7 +300,7 @@
> compatible = "dlg,da9053-aa";
> reg = <0>;
> interrupt-parent = <&gpio3>;
> - interrupts = <12 0x8>;
> + interrupts = <12 IRQ_TYPE_LEVEL_LOW>;
> spi-max-frequency = <1000000>;
> dlg,tsi-as-adc;
> tsiref-supply = <&reg_tsiref>;
> @@ -473,7 +473,7 @@
> compatible = "fsl,mma8453";
> reg = <0x1c>;
> interrupt-parent = <&gpio1>;
> - interrupts = <6 0>;
> + interrupts = <6 IRQ_TYPE_NONE>;
> interrupt-names = "INT1";
> };
>
> @@ -539,7 +539,7 @@
> reset-gpio = <&gpio5 19 GPIO_ACTIVE_HIGH>;
> reg = <0x4b>;
> interrupt-parent = <&gpio5>;
> - interrupts = <4 0x8>;
> + interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
> };
> };
>
>

Looks good to me:

Reviewed-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx>

And it made me think, how many of these do we have?
Or even worse, how many are using the wrong specifiers?

$ git grep interrupts -- arch/arm/boot/dts | grep -v IRQ_TYPE | grep GPIO
arch/arm/boot/dts/am335x-baltos-ir3220.dts: interrupts = <20 GPIO_ACTIVE_LOW>;
arch/arm/boot/dts/am335x-baltos-ir5221.dts: interrupts = <20 GPIO_ACTIVE_LOW>;
arch/arm/boot/dts/am335x-baltos.dtsi: interrupts = <28 GPIO_ACTIVE_LOW>;
arch/arm/boot/dts/am335x-boneblue.dts: interrupts = <21 GPIO_ACTIVE_LOW>;
arch/arm/boot/dts/at91-sama5d2_xplained.dts: interrupts = <PIN_PB13
GPIO_ACTIVE_LOW>;
arch/arm/boot/dts/imx53-qsb.dts: interrupts = <11 0x8>; /* low-level active IRQ at GPIO7_11 */
arch/arm/boot/dts/imx53-voipac-dmm-668.dtsi: interrupts = <11 0x8>; /* low-level active IRQ at GPIO7_11
*/
arch/arm/boot/dts/imx6qdl-phytec-pfla02.dtsi: interrupts = <9 0x8>; /* active-low GPIO2_9 */
arch/arm/boot/dts/omap3-pandora-common.dtsi: interrupts = <30 0>; /* GPIO_94 */
arch/arm/boot/dts/ste-href-stuib.dtsi: * GPIO 67 for interrupts. Pull-up
arch/arm/boot/dts/tegra124-nyan.dtsi: interrupts = <TEGRA_GPIO(J, 0)
arch/arm/boot/dts/tegra124-venice2.dts: interrupts = <TEGRA_GPIO(J, 0)
arch/arm/boot/dts/vf-colibri-eval-v3.dtsi: interrupts = <11 GPIO_ACTIVE_LOW>;