Re: [PATCH 5/5] ARM: dts: microchip: Rename LED sub nodes name

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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@xxxxxxxxxxxxx>
>> ---
>> Split the bloadted patch into small patches on topics
>> based on comments:
>> https://lore.kernel.org/linux-arm-kernel/89f51615-0dee-4ab0-ab72-e3c057fee1e7@xxxxxxxxx/
>> ---
>>  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@500000 {
>>       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@xxxxxxxxxxx>
> 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@500000 {
>>       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@350000  {
>>       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@fffffd40 {
>>       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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