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From: Hector Martin <marcan@marcan.st>
To: Marc Zyngier <maz@kernel.org>,
	linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Cc: Mark Rutland <mark.rutland@arm.com>,
	Will Deacon <will@kernel.org>, Sven Peter <sven@svenpeter.dev>,
	Alyssa Rosenzweig <alyssa@rosenzweig.io>,
	Rob Herring <robh+dt@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Dougall <dougallj@gmail.com>,
	kernel-team@android.com, Rob Herring <robh@kernel.org>
Subject: Re: [PATCH v2 2/8] dt-bindings: apple,aic: Add CPU PMU per-cpu pseudo-interrupts
Date: Sun, 12 Dec 2021 16:26:48 +0900	[thread overview]
Message-ID: <6409face-ad91-1d5b-0eb5-773bd6de7cd3@marcan.st> (raw)
In-Reply-To: <20211201134909.390490-3-maz@kernel.org>

On 01/12/2021 22.49, Marc Zyngier wrote:
> Advertise the two pseudo-interrupts that tied to the two PMU
> flavours present in the Apple M1 SoC.
> 
> We choose the expose two different pseudo-interrupts to the OS
> as the e-core PMU is obviously different from the p-core one,
> effectively presenting two different devices.
> 
> Acked-by: Rob Herring <robh@kernel.org>
> Signed-off-by: Marc Zyngier <maz@kernel.org>
> ---
>   .../devicetree/bindings/interrupt-controller/apple,aic.yaml     | 2 ++
>   include/dt-bindings/interrupt-controller/apple-aic.h            | 2 ++
>   2 files changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml b/Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml
> index cf6c091a07b1..b95e41816953 100644
> --- a/Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml
> +++ b/Documentation/devicetree/bindings/interrupt-controller/apple,aic.yaml
> @@ -56,6 +56,8 @@ properties:
>             - 1: virtual HV timer
>             - 2: physical guest timer
>             - 3: virtual guest timer
> +          - 4: 'efficient' CPU PMU
> +          - 5: 'performance' CPU PMU
>   
>         The 3rd cell contains the interrupt flags. This is normally
>         IRQ_TYPE_LEVEL_HIGH (4).
> diff --git a/include/dt-bindings/interrupt-controller/apple-aic.h b/include/dt-bindings/interrupt-controller/apple-aic.h
> index 604f2bb30ac0..bf3aac0e5491 100644
> --- a/include/dt-bindings/interrupt-controller/apple-aic.h
> +++ b/include/dt-bindings/interrupt-controller/apple-aic.h
> @@ -11,5 +11,7 @@
>   #define AIC_TMR_HV_VIRT		1
>   #define AIC_TMR_GUEST_PHYS	2
>   #define AIC_TMR_GUEST_VIRT	3
> +#define AIC_CPU_PMU_E		4
> +#define AIC_CPU_PMU_P		5
>   
>   #endif
> 

Reviewed-by: Hector Martin <marcan@marcan.st>

-- 
Hector Martin (marcan@marcan.st)
Public Key: https://mrcn.st/pub

  reply	other threads:[~2021-12-12  7:27 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-01 13:49 [PATCH v2 0/8] drivers/perf: CPU PMU driver for Apple M1 Marc Zyngier
2021-12-01 13:49 ` [PATCH v2 1/8] dt-bindings: arm-pmu: Document Apple PMU compatible strings Marc Zyngier
2021-12-12  7:27   ` Hector Martin
2021-12-01 13:49 ` [PATCH v2 2/8] dt-bindings: apple,aic: Add CPU PMU per-cpu pseudo-interrupts Marc Zyngier
2021-12-12  7:26   ` Hector Martin [this message]
2021-12-01 13:49 ` [PATCH v2 3/8] irqchip/apple-aic: Add cpumasks for E and P cores Marc Zyngier
2021-12-01 16:08   ` Mark Rutland
2021-12-03 16:32     ` Marc Zyngier
2021-12-12  7:22       ` Hector Martin
2021-12-12  7:30   ` Hector Martin
2021-12-13 14:43     ` Marc Zyngier
2021-12-01 13:49 ` [PATCH v2 4/8] irqchip/apple-aic: Wire PMU interrupts Marc Zyngier
2021-12-12  7:25   ` Hector Martin
2021-12-01 13:49 ` [PATCH v2 5/8] irqchip/apple-aic: Move PMU-specific registers to their own include file Marc Zyngier
2021-12-12  7:23   ` Hector Martin
2021-12-01 13:49 ` [PATCH v2 6/8] arm64: apple: t8301: Add PMU nodes Marc Zyngier
2021-12-12  7:26   ` Hector Martin
2021-12-01 13:49 ` [PATCH v2 7/8] drivers/perf: arm_pmu: Handle 47 bit counters Marc Zyngier
2021-12-12  7:26   ` Hector Martin
2021-12-01 13:49 ` [PATCH v2 8/8] drivers/perf: Add Apple icestorm/firestorm CPU PMU driver Marc Zyngier
2021-12-01 16:58   ` Mark Rutland
2021-12-01 17:56     ` Alyssa Rosenzweig
2021-12-02 15:39     ` Marc Zyngier
2021-12-02 16:14       ` Mark Rutland
2021-12-03 11:22         ` Marc Zyngier
2021-12-03 12:04           ` Mark Rutland
2021-12-03 16:22             ` Marc Zyngier

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