From: "Alexey Klimov" <alexey.klimov@linaro.org>
To: "Alexey Klimov" <alexey.klimov@linaro.org>,
"Sam Protsenko" <semen.protsenko@linaro.org>,
linux-samsung-soc@vger.kernel.org,
"Krzysztof Kozlowski" <krzk@kernel.org>,
"Peter Griffin" <peter.griffin@linaro.org>,
"André Draszik" <andre.draszik@linaro.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"Alim Akhtar" <alim.akhtar@samsung.com>
Cc: "Tudor Ambarus" <tudor.ambarus@linaro.org>,
"Rob Herring" <robh@kernel.org>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3 4/6] soc: samsung: exynos-pmu: add Exynos850 CPU hotplug support
Date: Thu, 30 Apr 2026 11:27:34 +0100 [thread overview]
Message-ID: <DI6F28VL7ZGX.1ZJNLS41FF55N@linaro.org> (raw)
In-Reply-To: <20260430-exynos850-cpuhotplug-v3-4-fd6251d02a17@linaro.org>
On Thu Apr 30, 2026 at 2:56 AM BST, Alexey Klimov wrote:
> Add cpuhotplug support for Exynos850 platforms. This SoC requires
> its own specific set of writes/updates to PMU and PMU interrupts
> generation block in order to put a CPU or a group of CPUs into
> a different sleep states or prepare these entities for a CPU_OFF
> or wake-up out of idle state or after CPU online.
> Without these writes/updates the CPU(s) wake-up or online fails.
> While at this, also add description of Exynos850 PMU registers.
>
> Signed-off-by: Alexey Klimov <alexey.klimov@linaro.org>
> ---
> drivers/soc/samsung/Makefile | 2 +-
> drivers/soc/samsung/exynos-pmu.c | 1 +
> drivers/soc/samsung/exynos-pmu.h | 1 +
> drivers/soc/samsung/exynos850-pmu.c | 79 +++++++++++++++++++++++++++++
[..]
> +const struct exynos_pmu_data exynos850_pmu_data = {
> + .pmu_cpuhp = true,
> + .cpu_pmu_offline = exynos850_cpu_pmu_offline,
> + .cpu_pmu_online = exynos850_cpu_pmu_online,
> +};
> +
Ah, sorry, I forgot to remove blank line here. Will do in the next
update.
BR,
Alexey
next prev parent reply other threads:[~2026-04-30 10:27 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-30 1:56 [PATCH v3 0/6] Exynos-pmu: Generalise cpu{hotplug,idle},PMU intr gen and add Exynos850 CPU hotplug Alexey Klimov
2026-04-30 1:56 ` [PATCH v3 1/6] dt-bindings: soc: move,rename google,gs101-pmu-intr-gen and add exynos850 Alexey Klimov
2026-04-30 1:56 ` [PATCH v3 2/6] dt-bindings: soc: samsung: exynos-pmu: Require pmu-intr-gen-syscon for Exynos850 Alexey Klimov
2026-04-30 1:56 ` [PATCH v3 3/6] soc: samsung: exynos-pmu: generalise gs101-specific cpu{idle,hotplug} for Exynos SoCs Alexey Klimov
2026-04-30 1:56 ` [PATCH v3 4/6] soc: samsung: exynos-pmu: add Exynos850 CPU hotplug support Alexey Klimov
2026-04-30 10:27 ` Alexey Klimov [this message]
2026-04-30 1:56 ` [PATCH v3 5/6] MAINTAINERS: add Exynos850 PMU entry Alexey Klimov
2026-04-30 1:56 ` [PATCH v3 6/6] arm64: dts: exynos850: add PMU interrupt generation node Alexey Klimov
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