linux-kernel - Re: [PATCH v2 1/2] arm64/sysreg: Move TRFCR definitions to sysreg

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Message-ID: <9fab3e6a-b6b5-4376-8af9-0bbfcd98bbe9@sirena.org.uk>
Date:   Mon, 4 Sep 2023 17:03:38 +0100
From:   Mark Brown <broonie@...nel.org>
To:     James Clark <james.clark@....com>
Cc:     coresight@...ts.linaro.org, linux-arm-kernel@...ts.infradead.org,
        kvmarm@...ts.linux.dev, maz@...nel.org,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Mike Leach <mike.leach@...aro.org>,
        Leo Yan <leo.yan@...aro.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        James Morse <james.morse@....com>,
        Kristina Martsenko <kristina.martsenko@....com>,
        Anshuman Khandual <anshuman.khandual@....com>,
        Rob Herring <robh@...nel.org>,
        Jintack Lim <jintack.lim@...aro.org>,
        Joey Gouly <joey.gouly@....com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/2] arm64/sysreg: Move TRFCR definitions to sysreg

On Mon, Sep 04, 2023 at 03:07:02PM +0100, James Clark wrote:

> +SysregFields TRFCR_EL2
> +Res0	63:7
> +UnsignedEnum	6:5	TS
> +	0b0001	VIRTUAL
> +	0b0010	GUEST_PHYSICAL
> +	0b0011	PHYSICAL
> +EndEnum

DDO0601 2023-06 also defines the value 0b0000 as "Timestamp controlled
by TRFCR_EL1.TS or TRFCR.TS".  

> +Field	0	E0TRE

DDO0601 2023-06 calls this bit EH0HTRE.

Otherwise this looks good.

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