linux-kernel - Re: [PATCH v6 1/3] ARM: dts: stm32mp13: fix compatible for BSEC

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Date:   Thu, 2 Feb 2023 13:31:28 +0100
From:   Alexandre TORGUE <alexandre.torgue@...s.st.com>
To:     Patrick Delaunay <patrick.delaunay@...s.st.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>
CC:     Etienne CARRIERE <etienne.carriere@...aro.org>,
        Fabrice GASNIER <fabrice.gasnier@...s.st.com>,
        Amelie DELAUNAY <amelie.delaunay@...s.st.com>,
        Lionel DEBIEVE <lionel.debieve@...s.st.com>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>
Subject: Re: [PATCH v6 1/3] ARM: dts: stm32mp13: fix compatible for BSEC

On 1/18/23 18:29, Patrick Delaunay wrote:
> Use the correct compatible for stm32mp13 support.
> 
> The BSEC driver for STM32MP15x is not compatible with STM32MP13x. For
> example the proprietary's smc STM32_SMC_BSEC is not supported in
> STM32MP13x OP-TEE, it is replaced by SM32MP BSEC Pseudo Trusted
> Application in OP-TEE to access to the secured IP BSEC on STM32MP13X SoC.
> 
> The correct compatible is already used in U-Boot and in upstream is in
> progress for OP-TEE device tree.
> 
> As the SoC STM32MP13X is not yet official and it is not available
> outside STMicroelectronics, it is the good time to break the DTS
> compatibility and to correct the error done in the introduction of
> STM32MP131.
> 
> Signed-off-by: Patrick Delaunay <patrick.delaunay@...s.st.com>
> ---
> This patch is already sent separately in:
> https://lore.kernel.org/all/20221017134437.1.I167a5efc1f8777cce14518c6fa38400ac684de3e@changeid/
> https://patchwork.kernel.org/project/linux-arm-kernel/list/?series=685815
> 
> I create a serie for more efficient review.
> 
> Patrick.
> 
> (no changes since v1)
> 
> Changes in v1:
> - update commit message to indicate DTS break reason.
> 
>   arch/arm/boot/dts/stm32mp131.dtsi | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/stm32mp131.dtsi b/arch/arm/boot/dts/stm32mp131.dtsi
> index accc3824f7e9..0b79380cc627 100644
> --- a/arch/arm/boot/dts/stm32mp131.dtsi
> +++ b/arch/arm/boot/dts/stm32mp131.dtsi
> @@ -520,7 +520,7 @@ rtc: rtc@...04000 {
>   		};
>   
>   		bsec: efuse@...05000 {
> -			compatible = "st,stm32mp15-bsec";
> +			compatible = "st,stm32mp13-bsec";
>   			reg = <0x5c005000 0x400>;
>   			#address-cells = <1>;
>   			#size-cells = <1>;

Applied on stm32-next.

Thanks.
Alex