[PATCH] ARM: dts: Remove "spidev" nodes

Nicolas Ferre nicolas.ferre at microchip.com
Sat Dec 18 07:53:38 PST 2021


On 17/12/2021 at 23:12, Rob Herring wrote:
> "spidev" is not a real device, but a Linux implementation detail. It has
> never been documented either. The kernel has WARNed on the use of it for
> over 6 years. Time to remove its usage from the tree.
> 
> Cc: Mark Brown <broonie at kernel.org>
> Signed-off-by: Rob Herring <robh at kernel.org>
> ---
> Arnd, Olof, Can you please apply this directly.
> 
>   arch/arm/boot/dts/at91-q5xr5.dts              | 18 ----------
>   arch/arm/boot/dts/at91-wb50n.dts              |  6 ----

For at91:
Acked-by: Nicolas Ferre <nicolas.ferre at microchip.com>

Sorry for having re-introduced this use recently.

Best regards,
   Nicolas

>   arch/arm/boot/dts/imx28-tx28.dts              | 36 -------------------
>   arch/arm/boot/dts/imx53-tx53.dtsi             | 11 ------
>   arch/arm/boot/dts/imx6qdl-tx6.dtsi            | 12 -------
>   .../boot/dts/imx6ul-imx6ull-opos6uldev.dtsi   | 12 -------
>   arch/arm/boot/dts/imx6ul-prti6g.dts           |  6 ----
>   arch/arm/boot/dts/imx6ul-tx6ul.dtsi           | 24 -------------
>   arch/arm/boot/dts/omap3-tao3530.dtsi          | 14 --------
>   .../dts/qcom-mdm9615-wp8548-mangoh-green.dts  |  2 +-
>   arch/arm/boot/dts/spear1310-evb.dts           | 16 ---------
>   arch/arm/boot/dts/spear1340-evb.dts           | 16 ---------
>   12 files changed, 1 insertion(+), 172 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/at91-q5xr5.dts b/arch/arm/boot/dts/at91-q5xr5.dts
> index 5827383b181b..47a00062f01f 100644
> --- a/arch/arm/boot/dts/at91-q5xr5.dts
> +++ b/arch/arm/boot/dts/at91-q5xr5.dts
> @@ -147,12 +147,6 @@ uboot at 8000 {
>                          reg = <0x8000 0x3E000>;
>                  };
>          };
> -
> -       spidev at 1 {
> -               compatible = "spidev";
> -               spi-max-frequency = <2000000>;
> -               reg = <1>;
> -       };
>   };
> 
>   &spi1 {
> @@ -160,18 +154,6 @@ &spi1 {
>          pinctrl-0 = <&pinctrl_spi1 &pinctrl_spi1_npcs0 &pinctrl_spi1_npcs1>;
>          cs-gpios = <&pioB 3 GPIO_ACTIVE_HIGH>, <&pioC 5 GPIO_ACTIVE_LOW>, <0>, <0>;
>          status = "okay";
> -
> -       spidev at 0 {
> -               compatible = "spidev";
> -               spi-max-frequency = <2000000>;
> -               reg = <0>;
> -       };
> -
> -       spidev at 1 {
> -               compatible = "spidev";
> -               spi-max-frequency = <2000000>;
> -               reg = <1>;
> -       };
>   };
> 
>   &usart0 {
> diff --git a/arch/arm/boot/dts/at91-wb50n.dts b/arch/arm/boot/dts/at91-wb50n.dts
> index a5e45bb95c04..89f0f717f7ed 100644
> --- a/arch/arm/boot/dts/at91-wb50n.dts
> +++ b/arch/arm/boot/dts/at91-wb50n.dts
> @@ -90,12 +90,6 @@ &i2c0 {
> 
>   &spi1 {
>          status = "okay";
> -
> -       spidev at 0 {
> -               compatible = "spidev";
> -               reg = <0>;
> -               spi-max-frequency = <8000000>;
> -       };
>   };
> 
>   &usb0 {
> diff --git a/arch/arm/boot/dts/imx28-tx28.dts b/arch/arm/boot/dts/imx28-tx28.dts
> index 164254c28f8e..9e5651c7ea6b 100644
> --- a/arch/arm/boot/dts/imx28-tx28.dts
> +++ b/arch/arm/boot/dts/imx28-tx28.dts
> @@ -239,24 +239,6 @@ &gpio3 9 GPIO_ACTIVE_LOW
>                  >;
>                  /* enable this and disable ssp3 below, if you need full duplex SPI transfer */
>                  status = "disabled";
> -
> -               spi at 0 {
> -                       compatible = "spidev";
> -                       reg = <0>;
> -                       spi-max-frequency = <57600000>;
> -               };
> -
> -               spi at 1 {
> -                       compatible = "spidev";
> -                       reg = <1>;
> -                       spi-max-frequency = <57600000>;
> -               };
> -
> -               spi at 2 {
> -                       compatible = "spidev";
> -                       reg = <2>;
> -                       spi-max-frequency = <57600000>;
> -               };
>          };
>   };
> 
> @@ -700,24 +682,6 @@ &ssp3 {
>          pinctrl-0 = <&spi3_pins_a>;
>          clock-frequency = <57600000>;
>          status = "okay";
> -
> -       spi at 0 {
> -               compatible = "spidev";
> -               reg = <0>;
> -               spi-max-frequency = <57600000>;
> -       };
> -
> -       spi at 1 {
> -               compatible = "spidev";
> -               reg = <1>;
> -               spi-max-frequency = <57600000>;
> -       };
> -
> -       spi at 2 {
> -               compatible = "spidev";
> -               reg = <2>;
> -               spi-max-frequency = <57600000>;
> -       };
>   };
> 
>   &usb0 {
> diff --git a/arch/arm/boot/dts/imx53-tx53.dtsi b/arch/arm/boot/dts/imx53-tx53.dtsi
> index 7c9730f3f820..81c2726a328a 100644
> --- a/arch/arm/boot/dts/imx53-tx53.dtsi
> +++ b/arch/arm/boot/dts/imx53-tx53.dtsi
> @@ -192,17 +192,6 @@ &gpio2 30 GPIO_ACTIVE_HIGH
>                  &gpio3 19 GPIO_ACTIVE_HIGH
>          >;
> 
> -       spidev0: spi at 0 {
> -               compatible = "spidev";
> -               reg = <0>;
> -               spi-max-frequency = <54000000>;
> -       };
> -
> -       spidev1: spi at 1 {
> -               compatible = "spidev";
> -               reg = <1>;
> -               spi-max-frequency = <54000000>;
> -       };
>   };
> 
>   &esdhc1 {
> diff --git a/arch/arm/boot/dts/imx6qdl-tx6.dtsi b/arch/arm/boot/dts/imx6qdl-tx6.dtsi
> index 362e65ccaa78..bcc5bbcce769 100644
> --- a/arch/arm/boot/dts/imx6qdl-tx6.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-tx6.dtsi
> @@ -259,18 +259,6 @@ &gpio2 30 GPIO_ACTIVE_HIGH
>                  &gpio3 19 GPIO_ACTIVE_HIGH
>          >;
>          status = "disabled";
> -
> -       spidev0: spi at 0 {
> -               compatible = "spidev";
> -               reg = <0>;
> -               spi-max-frequency = <54000000>;
> -       };
> -
> -       spidev1: spi at 1 {
> -               compatible = "spidev";
> -               reg = <1>;
> -               spi-max-frequency = <54000000>;
> -       };
>   };
> 
>   &fec {
> diff --git a/arch/arm/boot/dts/imx6ul-imx6ull-opos6uldev.dtsi b/arch/arm/boot/dts/imx6ul-imx6ull-opos6uldev.dtsi
> index 935a77d717a6..18cac19aa9b0 100644
> --- a/arch/arm/boot/dts/imx6ul-imx6ull-opos6uldev.dtsi
> +++ b/arch/arm/boot/dts/imx6ul-imx6ull-opos6uldev.dtsi
> @@ -114,18 +114,6 @@ &ecspi4 {
>          pinctrl-0 = <&pinctrl_ecspi4>;
>          cs-gpios = <&gpio4 9 GPIO_ACTIVE_LOW>, <&gpio4 3 GPIO_ACTIVE_LOW>;
>          status = "okay";
> -
> -       spidev0: spi at 0 {
> -               compatible = "spidev";
> -               reg = <0>;
> -               spi-max-frequency = <5000000>;
> -       };
> -
> -       spidev1: spi at 1 {
> -               compatible = "spidev";
> -               reg = <1>;
> -               spi-max-frequency = <5000000>;
> -       };
>   };
> 
>   &i2c1 {
> diff --git a/arch/arm/boot/dts/imx6ul-prti6g.dts b/arch/arm/boot/dts/imx6ul-prti6g.dts
> index d62015701d0a..c18390f238e1 100644
> --- a/arch/arm/boot/dts/imx6ul-prti6g.dts
> +++ b/arch/arm/boot/dts/imx6ul-prti6g.dts
> @@ -78,12 +78,6 @@ &ecspi2 {
>          pinctrl-names = "default";
>          pinctrl-0 = <&pinctrl_ecspi2>;
>          status = "okay";
> -
> -       spi at 0 {
> -               compatible = "spidev";
> -               reg = <0>;
> -               spi-max-frequency = <1000000>;
> -       };
>   };
> 
>   &fec1 {
> diff --git a/arch/arm/boot/dts/imx6ul-tx6ul.dtsi b/arch/arm/boot/dts/imx6ul-tx6ul.dtsi
> index 938a32ced88d..c485d058e079 100644
> --- a/arch/arm/boot/dts/imx6ul-tx6ul.dtsi
> +++ b/arch/arm/boot/dts/imx6ul-tx6ul.dtsi
> @@ -227,18 +227,6 @@ &gpio1 29 GPIO_ACTIVE_HIGH
>                          &gpio1 10 GPIO_ACTIVE_HIGH
>                  >;
>                  status = "disabled";
> -
> -               spi at 0 {
> -                       compatible = "spidev";
> -                       reg = <0>;
> -                       spi-max-frequency = <660000>;
> -               };
> -
> -               spi at 1 {
> -                       compatible = "spidev";
> -                       reg = <1>;
> -                       spi-max-frequency = <660000>;
> -               };
>          };
> 
>          sound {
> @@ -290,18 +278,6 @@ &gpio1 29 GPIO_ACTIVE_HIGH
>                  &gpio1 10 GPIO_ACTIVE_HIGH
>          >;
>          status = "disabled";
> -
> -       spidev0: spi at 0 {
> -               compatible = "spidev";
> -               reg = <0>;
> -               spi-max-frequency = <60000000>;
> -       };
> -
> -       spidev1: spi at 1 {
> -               compatible = "spidev";
> -               reg = <1>;
> -               spi-max-frequency = <60000000>;
> -       };
>   };
> 
>   &fec1 {
> diff --git a/arch/arm/boot/dts/omap3-tao3530.dtsi b/arch/arm/boot/dts/omap3-tao3530.dtsi
> index 580bfa1931c8..7f440d11f7e7 100644
> --- a/arch/arm/boot/dts/omap3-tao3530.dtsi
> +++ b/arch/arm/boot/dts/omap3-tao3530.dtsi
> @@ -197,25 +197,11 @@ &i2c3 {
>   &mcspi1 {
>          pinctrl-names = "default";
>          pinctrl-0 = <&mcspi1_pins>;
> -
> -       spidev at 0 {
> -               compatible = "spidev";
> -               spi-max-frequency = <48000000>;
> -               reg = <0>;
> -               spi-cpha;
> -       };
>   };
> 
>   &mcspi3 {
>          pinctrl-names = "default";
>          pinctrl-0 = <&mcspi3_pins>;
> -
> -       spidev at 0 {
> -               compatible = "spidev";
> -               spi-max-frequency = <48000000>;
> -               reg = <0>;
> -               spi-cpha;
> -       };
>   };
> 
>   #include "twl4030.dtsi"
> diff --git a/arch/arm/boot/dts/qcom-mdm9615-wp8548-mangoh-green.dts b/arch/arm/boot/dts/qcom-mdm9615-wp8548-mangoh-green.dts
> index 942e3a2cac35..0827de5426c1 100644
> --- a/arch/arm/boot/dts/qcom-mdm9615-wp8548-mangoh-green.dts
> +++ b/arch/arm/boot/dts/qcom-mdm9615-wp8548-mangoh-green.dts
> @@ -103,7 +103,7 @@ pins {
> 
>   &gsbi3_spi {
>          spi at 0 {
> -               compatible = "swir,mangoh-iotport-spi", "spidev";
> +               compatible = "swir,mangoh-iotport-spi";
>                  spi-max-frequency = <24000000>;
>                  reg = <0>;
>          };
> diff --git a/arch/arm/boot/dts/spear1310-evb.dts b/arch/arm/boot/dts/spear1310-evb.dts
> index 8fcb6be6e7c7..4cbadcb41084 100644
> --- a/arch/arm/boot/dts/spear1310-evb.dts
> +++ b/arch/arm/boot/dts/spear1310-evb.dts
> @@ -395,22 +395,6 @@ m25p80 at 1 {
>                                          pl022,wait-state = <0>;
>                                          pl022,duplex = <0>;
>                                  };
> -
> -                               spidev at 2 {
> -                                       compatible = "spidev";
> -                                       reg = <2>;
> -                                       spi-max-frequency = <25000000>;
> -                                       spi-cpha;
> -                                       pl022,hierarchy = <0>;
> -                                       pl022,interface = <0>;
> -                                       pl022,slave-tx-disable;
> -                                       pl022,com-mode = <0x2>;
> -                                       pl022,rx-level-trig = <0>;
> -                                       pl022,tx-level-trig = <0>;
> -                                       pl022,ctrl-len = <0x11>;
> -                                       pl022,wait-state = <0>;
> -                                       pl022,duplex = <0>;
> -                               };
>                          };
> 
>                          wdt at ec800620 {
> diff --git a/arch/arm/boot/dts/spear1340-evb.dts b/arch/arm/boot/dts/spear1340-evb.dts
> index f70ff56d4542..fd194ebeedc9 100644
> --- a/arch/arm/boot/dts/spear1340-evb.dts
> +++ b/arch/arm/boot/dts/spear1340-evb.dts
> @@ -489,22 +489,6 @@ stmpe_touchscreen {
>                                                  ts,i-drive = <1>;
>                                          };
>                                  };
> -
> -                               spidev at 2 {
> -                                       compatible = "spidev";
> -                                       reg = <2>;
> -                                       spi-max-frequency = <25000000>;
> -                                       spi-cpha;
> -                                       pl022,hierarchy = <0>;
> -                                       pl022,interface = <0>;
> -                                       pl022,slave-tx-disable;
> -                                       pl022,com-mode = <0x2>;
> -                                       pl022,rx-level-trig = <0>;
> -                                       pl022,tx-level-trig = <0>;
> -                                       pl022,ctrl-len = <0x11>;
> -                                       pl022,wait-state = <0>;
> -                                       pl022,duplex = <0>;
> -                               };
>                          };
> 
>                          timer at ec800600 {
> --
> 2.32.0
> 


-- 
Nicolas Ferre



More information about the linux-arm-kernel mailing list