[EXT] [PATCH] arm64: dts: imx8m: Disable job ring 0 nodes

[Gaurav Jain]

Reviewed-by: Gaurav Jain <gaurav.jain at nxp.com>

> -----Original Message-----
> From: Fabio Estevam <festevam at denx.de>
> Sent: Wednesday, June 8, 2022 10:32 PM
> To: shawnguo at kernel.org
> Cc: linux-arm-kernel at lists.infradead.org; andrey.zhizhikin at leica-
> geosystems.com; dl-linux-imx <linux-imx at nxp.com>; kernel at pengutronix.de;
> Gaurav Jain <gaurav.jain at nxp.com>; Fabio Estevam <festevam at denx.de>
> Subject: [EXT] [PATCH] arm64: dts: imx8m: Disable job ring 0 nodes
> 
> Caution: EXT Email
> 
> Now that the JR0 reservation is done in both upstream (v2.7) and downstream
> (NXP lf_v2.4) TF-A versions, the kernel fails to initialize the job ring 0:
> 
>  # dmesg | grep jr
> caam_jr 30901000.jr: failed to flush job ring 0
> caam_jr: probe of 30901000.jr failed with error -5
> 
> Disable the sec_jr0 nodes by default to avoid the caam_jr probe error.
> 
> Suggested-by: Andrey Zhizhikin <andrey.zhizhikin at leica-geosystems.com>
> Signed-off-by: Fabio Estevam <festevam at denx.de>
> ---
>  arch/arm64/boot/dts/freescale/imx8mm.dtsi | 1 +
> arch/arm64/boot/dts/freescale/imx8mn.dtsi | 1 +
> arch/arm64/boot/dts/freescale/imx8mp.dtsi | 1 +
> arch/arm64/boot/dts/freescale/imx8mq.dtsi | 1 +
>  4 files changed, 4 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> index 1bf070473829..8049a16d6027 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> @@ -911,6 +911,7 @@ sec_jr0: jr at 1000 {
>                                         compatible = "fsl,sec-v4.0-job-ring";
>                                         reg = <0x1000 0x1000>;
>                                         interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>;
> +                                       status = "disabled";
>                                 };
> 
>                                 sec_jr1: jr at 2000 { diff --git
> a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
> b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
> index e41e1d56f980..fdfcc75a80e8 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
> @@ -857,6 +857,7 @@ sec_jr0: jr at 1000 {
>                                          compatible = "fsl,sec-v4.0-job-ring";
>                                          reg = <0x1000 0x1000>;
>                                          interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>;
> +                                        status = "disabled";
>                                 };
> 
>                                 sec_jr1: jr at 2000 { diff --git
> a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> index d9542dfff83f..c560d867fb6e 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> @@ -791,6 +791,7 @@ sec_jr0: jr at 1000 {
>                                         compatible = "fsl,sec-v4.0-job-ring";
>                                         reg = <0x1000 0x1000>;
>                                         interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>;
> +                                       status = "disabled";
>                                 };
> 
>                                 sec_jr1: jr at 2000 { diff --git
> a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
> b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
> index 49eadb081b19..4338d82a28de 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
> @@ -1018,6 +1018,7 @@ sec_jr0: jr at 1000 {
>                                         compatible = "fsl,sec-v4.0-job-ring";
>                                         reg = <0x1000 0x1000>;
>                                         interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>;
> +                                       status = "disabled";
>                                 };
> 
>                                 sec_jr1: jr at 2000 {
> --
> 2.25.1