linux-kernel - Re: [PATCH v6 5/5] arm64: dts: qcom: Add PSCI SYSTEM

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Message-ID: <d5aa1d73-5d3a-478d-b030-a03a0ae89989@oss.qualcomm.com>
Date: Fri, 18 Oct 2024 21:51:25 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Elliot Berman <quic_eberman@...cinc.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Sebastian Reichel <sre@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>, Vinod Koul <vkoul@...nel.org>,
        Andy Yan <andy.yan@...k-chips.com>,
        Lorenzo Pieralisi
 <lpieralisi@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
        Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, cros-qcom-dts-watchers@...omium.org,
        Krzysztof Kozlowski
 <krzk+dt@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>
Cc: Satya Durga Srinivasu Prabhala <quic_satyap@...cinc.com>,
        Melody Olvera <quic_molvera@...cinc.com>,
        Shivendra Pratap <quic_spratap@...cinc.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Florian Fainelli <florian.fainelli@...adcom.com>,
        linux-pm@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v6 5/5] arm64: dts: qcom: Add PSCI SYSTEM_RESET2 types for
 sa8775p-ride

On 18.10.2024 9:39 PM, Elliot Berman wrote:
> Add nodes for the vendor-defined system resets. "bootloader" will cause
> device to reboot and stop in the bootloader's fastboot mode. "edl" will
> cause device to reboot into "emergency download mode", which permits
> loading images via the Firehose protocol.
> 
> Co-developed-by: Shivendra Pratap <quic_spratap@...cinc.com>
> Signed-off-by: Shivendra Pratap <quic_spratap@...cinc.com>
> Signed-off-by: Elliot Berman <quic_eberman@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/sa8775p-ride.dtsi | 7 +++++++
>  arch/arm64/boot/dts/qcom/sa8775p.dtsi      | 2 +-
>  include/linux/arm-smccc.h                  | 5 +++++

[...]

> diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h
> index 083f85653716..bdc974b76df8 100644
> --- a/include/linux/arm-smccc.h
> +++ b/include/linux/arm-smccc.h
> @@ -85,6 +85,11 @@
>  			   ARM_SMCCC_SMC_32,				\
>  			   0, 2)
>  
> +#define ARM_SMCCC_ARCH_FEATURE_AVAILABILITY_ID				\
> +	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,				\
> +			   ARM_SMCCC_SMC_32,				\
> +			   0, 3)
> +
>  #define ARM_SMCCC_ARCH_WORKAROUND_1					\
>  	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,				\
>  			   ARM_SMCCC_SMC_32,				\
> 

Unused hunk

Konrad