linux-kernel - Re: [PATCH 0/2] arm64: remove generic ARM cpuidle support

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Date:   Thu, 23 Jun 2022 20:31:42 +0100
From:   Will Deacon <will@...nel.org>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Michael Walle <michael@...le.cc>,
        Sudeep Holla <sudeep.holla@....com>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Cc:     kernel-team@...roid.com, Will Deacon <will@...nel.org>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-pm@...r.kernel.org
Subject: Re: [PATCH 0/2] arm64: remove generic ARM cpuidle support

On Sun, 29 May 2022 20:13:27 +0200, Michael Walle wrote:
> Playing with an own PSCI implementation, I've noticed that the cpuidle-arm
> driver doesn't work on arm64. It doesn't probe because since commit
> 788961462f34 ("ARM: psci: cpuidle: Enable PSCI CPUidle driver") the
> arm_cpuidle_init() can only return -EOPNOTSUPP, because the commit removed
> the cpu_idle_init and cpu_suspend ops.
> 
> It left me puzzled for quite some time. It seems that the cpuidle-psci is
> the preferred one and this has been the case for quite some time. The
> mentioned commit first appeared in v5.4.
> 
> [...]

Applied to arm64 (for-next/cpuidle), thanks!

[1/2] cpuidle: cpuidle-arm: remove arm64 support
      https://git.kernel.org/arm64/c/51280acad855
[2/2] arm64: cpuidle: remove generic cpuidle support
      https://git.kernel.org/arm64/c/471f80db9ef1

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev