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Message-ID: <13ac28fe-e2ae-4c9b-a350-e7d2ba400340@microchip.com>
Date: Fri, 16 Aug 2024 08:52:14 +0000
From: <Andrei.Simion@...rochip.com>
To: <claudiu.beznea@...on.dev>, <Nicolas.Ferre@...rochip.com>,
<alexandre.belloni@...tlin.com>, <robh@...nel.org>, <krzk+dt@...nel.org>,
<conor+dt@...nel.org>, <peda@...ntia.se>,
<linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
<devicetree@...r.kernel.org>, <Cristian.Birsan@...rochip.com>,
<linux-leds@...r.kernel.org>
Subject: Re: [PATCH 5/5] ARM: dts: microchip: Rename LED sub nodes name
Hello Alex,
On 15.08.2024 10:57, Alexander Dahl wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>
> Hello Andrei,
>> Am Wed, Aug 14, 2024 at 03:26:33PM +0300 schrieb Andrei Simion:
>> dtbs_check warnings:
>> leds: 'd[0-9]', 'ds[0-9]' do not match any of the regexes:
>> '(^led-[0-9a-f]$|led)', 'pinctrl-[0-9]+'
>> leds: 'red', 'green', 'blue' do not match any of regexes:
>> '(^led-[0-9a-f]$|led)', 'pinctrl-[0-9]+'
>>
>> Rename the led sub nodes according to devicetree
>> specification and leds-gpio.yaml.
>>
>> Signed-off-by: Andrei Simion <andrei.simion@...rochip.com>
>> ---
>> Split the bloadted patch into small patches on topics
>> based on comments:
>> https://lore.kernel.org/linux-arm-kernel/89f51615-0dee-4ab0-ab72-e3c057fee1e7@tuxon.dev/
>> ---
>> arch/arm/boot/dts/microchip/aks-cdu.dts | 8 ++++----
>> arch/arm/boot/dts/microchip/animeo_ip.dts | 8 ++++----
>> arch/arm/boot/dts/microchip/at91-sam9x60ek.dts | 6 +++---
>> arch/arm/boot/dts/microchip/at91rm9200ek.dts | 6 +++---
>> arch/arm/boot/dts/microchip/at91sam9260ek.dts | 4 ++--
>> arch/arm/boot/dts/microchip/at91sam9261ek.dts | 6 +++---
>> arch/arm/boot/dts/microchip/at91sam9263ek.dts | 4 ++--
>> arch/arm/boot/dts/microchip/at91sam9g20ek.dts | 4 ++--
>> 8 files changed, 23 insertions(+), 23 deletions(-)
>>
>> diff --git a/arch/arm/boot/dts/microchip/aks-cdu.dts b/arch/arm/boot/dts/microchip/aks-cdu.dts
>> index 52e166c8a365..95a0639c5579 100644
>> --- a/arch/arm/boot/dts/microchip/aks-cdu.dts
>> +++ b/arch/arm/boot/dts/microchip/aks-cdu.dts
>> @@ -98,23 +98,23 @@ rootfs@...000 {
>> leds {
>> compatible = "gpio-leds";
>>
>> - red {
>> + led-red {
>> gpios = <&pioC 10 GPIO_ACTIVE_HIGH>;
>> linux,default-trigger = "none";
>> };
>>
>> - green {
>> + led-green {
>> gpios = <&pioA 5 GPIO_ACTIVE_LOW>;
>> linux,default-trigger = "none";
>> default-state = "on";
>> };
>>
>> - yellow {
>> + led-yellow {
>> gpios = <&pioB 20 GPIO_ACTIVE_LOW>;
>> linux,default-trigger = "none";
>> };
>>
>> - blue {
>> + led-blue {
>> gpios = <&pioB 21 GPIO_ACTIVE_LOW>;
>> linux,default-trigger = "none";
>> };
>
> As reported with <20240730-rambling-helping-2f03f5ddee6a@...rsis.com>
> already, this will probably change sysfs paths and thus might break
> userspace depending on those paths. Did you consider adding a label
> to avoid this?
>
> (Added linux-leds to Cc.)
>
https://elixir.bootlin.com/linux/v6.11-rc3/source/Documentation/devicetree/bindings/leds/common.yaml#L54
Based on the information provided above: "If omitted, the label is
taken from the node name (excluding the unit address)." and "This
property is deprecated"
So, in your opinion what should I do? use function and color?
My patch reason is to rename the label to avoid the warnings.
Best Regards,
Andrei Simion
> Greets
> Alex
>
>> diff --git a/arch/arm/boot/dts/microchip/animeo_ip.dts b/arch/arm/boot/dts/microchip/animeo_ip.dts
>> index 911c8d9ee013..52ac840bcd35 100644
>> --- a/arch/arm/boot/dts/microchip/animeo_ip.dts
>> +++ b/arch/arm/boot/dts/microchip/animeo_ip.dts
>> @@ -146,23 +146,23 @@ ohci: usb@...000 {
>> leds {
>> compatible = "gpio-leds";
>>
>> - power_green {
>> + led-power-green {
>> label = "power_green";
>> gpios = <&pioC 17 GPIO_ACTIVE_HIGH>;
>> linux,default-trigger = "heartbeat";
>> };
>>
>> - power_red {
>> + led-power-red {
>> label = "power_red";
>> gpios = <&pioA 2 GPIO_ACTIVE_HIGH>;
>> };
>>
>> - tx_green {
>> + led-tx-green {
>> label = "tx_green";
>> gpios = <&pioC 19 GPIO_ACTIVE_HIGH>;
>> };
>>
>> - tx_red {
>> + led-tx-red {
>> label = "tx_red";
>> gpios = <&pioC 18 GPIO_ACTIVE_HIGH>;
>> };
>> diff --git a/arch/arm/boot/dts/microchip/at91-sam9x60ek.dts b/arch/arm/boot/dts/microchip/at91-sam9x60ek.dts
>> index b9a21f9f9a6d..da31b07d6828 100644
>> --- a/arch/arm/boot/dts/microchip/at91-sam9x60ek.dts
>> +++ b/arch/arm/boot/dts/microchip/at91-sam9x60ek.dts
>> @@ -53,17 +53,17 @@ leds {
>> pinctrl-0 = <&pinctrl_gpio_leds>;
>> status = "okay"; /* Conflict with pwm0. */
>>
>> - red {
>> + led-red {
>> label = "red";
>> gpios = <&pioB 11 GPIO_ACTIVE_HIGH>;
>> };
>>
>> - green {
>> + led-green {
>> label = "green";
>> gpios = <&pioB 12 GPIO_ACTIVE_HIGH>;
>> };
>>
>> - blue {
>> + led-blue {
>> label = "blue";
>> gpios = <&pioB 13 GPIO_ACTIVE_HIGH>;
>> linux,default-trigger = "heartbeat";
>> diff --git a/arch/arm/boot/dts/microchip/at91rm9200ek.dts b/arch/arm/boot/dts/microchip/at91rm9200ek.dts
>> index 3089912dd6be..641d443e6ca9 100644
>> --- a/arch/arm/boot/dts/microchip/at91rm9200ek.dts
>> +++ b/arch/arm/boot/dts/microchip/at91rm9200ek.dts
>> @@ -127,19 +127,19 @@ root@...000 {
>> leds {
>> compatible = "gpio-leds";
>>
>> - ds2 {
>> + led-ds2 {
>> label = "green";
>> gpios = <&pioB 0 GPIO_ACTIVE_LOW>;
>> linux,default-trigger = "mmc0";
>> };
>>
>> - ds4 {
>> + led-ds4 {
>> label = "yellow";
>> gpios = <&pioB 1 GPIO_ACTIVE_LOW>;
>> linux,default-trigger = "heartbeat";
>> };
>>
>> - ds6 {
>> + led-ds6 {
>> label = "red";
>> gpios = <&pioB 2 GPIO_ACTIVE_LOW>;
>> };
>> diff --git a/arch/arm/boot/dts/microchip/at91sam9260ek.dts b/arch/arm/boot/dts/microchip/at91sam9260ek.dts
>> index ed259e2cb853..4933971d0585 100644
>> --- a/arch/arm/boot/dts/microchip/at91sam9260ek.dts
>> +++ b/arch/arm/boot/dts/microchip/at91sam9260ek.dts
>> @@ -174,13 +174,13 @@ eeprom@50 {
>> leds {
>> compatible = "gpio-leds";
>>
>> - ds1 {
>> + led-ds1 {
>> label = "ds1";
>> gpios = <&pioA 9 GPIO_ACTIVE_HIGH>;
>> linux,default-trigger = "heartbeat";
>> };
>>
>> - ds5 {
>> + led-ds5 {
>> label = "ds5";
>> gpios = <&pioA 6 GPIO_ACTIVE_LOW>;
>> };
>> diff --git a/arch/arm/boot/dts/microchip/at91sam9261ek.dts b/arch/arm/boot/dts/microchip/at91sam9261ek.dts
>> index 4d9269cc5f32..9c44177db714 100644
>> --- a/arch/arm/boot/dts/microchip/at91sam9261ek.dts
>> +++ b/arch/arm/boot/dts/microchip/at91sam9261ek.dts
>> @@ -192,19 +192,19 @@ watchdog@...ffd40 {
>> leds {
>> compatible = "gpio-leds";
>>
>> - ds8 {
>> + led-ds8 {
>> label = "ds8";
>> gpios = <&pioA 13 GPIO_ACTIVE_LOW>;
>> linux,default-trigger = "none";
>> };
>>
>> - ds7 {
>> + led-ds7 {
>> label = "ds7";
>> gpios = <&pioA 14 GPIO_ACTIVE_LOW>;
>> linux,default-trigger = "nand-disk";
>> };
>>
>> - ds1 {
>> + led-ds1 {
>> label = "ds1";
>> gpios = <&pioA 23 GPIO_ACTIVE_LOW>;
>> linux,default-trigger = "heartbeat";
>> diff --git a/arch/arm/boot/dts/microchip/at91sam9263ek.dts b/arch/arm/boot/dts/microchip/at91sam9263ek.dts
>> index a8ea36db4c04..cf5434f9449d 100644
>> --- a/arch/arm/boot/dts/microchip/at91sam9263ek.dts
>> +++ b/arch/arm/boot/dts/microchip/at91sam9263ek.dts
>> @@ -219,13 +219,13 @@ &pioA 21 GPIO_ACTIVE_HIGH
>> leds {
>> compatible = "gpio-leds";
>>
>> - d3 {
>> + led-d3 {
>> label = "d3";
>> gpios = <&pioB 7 GPIO_ACTIVE_HIGH>;
>> linux,default-trigger = "heartbeat";
>> };
>>
>> - d2 {
>> + led-d2 {
>> label = "d2";
>> gpios = <&pioC 29 GPIO_ACTIVE_LOW>;
>> linux,default-trigger = "nand-disk";
>> diff --git a/arch/arm/boot/dts/microchip/at91sam9g20ek.dts b/arch/arm/boot/dts/microchip/at91sam9g20ek.dts
>> index 6de7a7cd3c07..1e62fd371ddb 100644
>> --- a/arch/arm/boot/dts/microchip/at91sam9g20ek.dts
>> +++ b/arch/arm/boot/dts/microchip/at91sam9g20ek.dts
>> @@ -14,13 +14,13 @@ / {
>> leds {
>> compatible = "gpio-leds";
>>
>> - ds1 {
>> + led-ds1 {
>> label = "ds1";
>> gpios = <&pioA 9 GPIO_ACTIVE_HIGH>;
>> linux,default-trigger = "heartbeat";
>> };
>>
>> - ds5 {
>> + led-ds5 {
>> label = "ds5";
>> gpios = <&pioA 6 GPIO_ACTIVE_LOW>;
>> };
>> --
>> 2.34.1
>>
>>
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