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From: Sudeep Holla <sudeep.holla@arm.com>
To: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Cc: Ulf Hansson <ulf.hansson@linaro.org>,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>,
	Benjamin Gaignard <benjamin.gaignard@st.com>,
	Linux PM <linux-pm@vger.kernel.org>,
	Stephen Boyd <sboyd@kernel.org>,
	Daniel Lezcano <daniel.lezcano@linaro.org>,
	"Rafael J . Wysocki" <rjw@rjwysocki.net>,
	Lina Iyer <ilina@codeaurora.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v2 4/4] cpuidle: psci: Allow WFI to be the only state for the hierarchical topology
Date: Fri, 6 Mar 2020 15:55:45 +0000	[thread overview]
Message-ID: <20200306155545.GA18983@bogus> (raw)
In-Reply-To: <CA+M3ks6=gRj-5Qfe93+2BbECY=cGuj189MQu3yDnib-SbSM7Og@mail.gmail.com>

On Fri, Mar 06, 2020 at 04:35:32PM +0100, Benjamin Gaignard wrote:

[...]

>
> CPU power domains are subdomains of the system power domain

Yes, that is platform specific.

> so they can vote for the targeting power domain.
>

Not when they are in WFI, it can't be powered down. I am going to say one
last time, add a CPU level state to workaround whatever you are trying to
and please stop hacking the psci domain like in the $subject patch.

If it was not any clear before, NACK.

--
Regards,
Sudeep

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  reply	other threads:[~2020-03-06 15:55 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-03 20:35 [PATCH v2 0/4] cpuidle: psci: Some fixes when using the hierarchical layout Ulf Hansson
2020-03-03 20:35 ` [PATCH v2 1/4] PM / Domains: Allow no domain-idle-states DT property in genpd when parsing Ulf Hansson
2020-03-04 10:48   ` Sudeep Holla
2020-03-03 20:35 ` [PATCH v2 2/4] cpuidle: psci: Fixup support for domain idle states being zero Ulf Hansson
2020-03-04 10:50   ` Sudeep Holla
2020-03-04 12:17     ` Ulf Hansson
2020-03-03 20:35 ` [PATCH v2 3/4] cpuidle: psci: Split psci_dt_cpu_init_idle() Ulf Hansson
2020-03-04 12:12   ` Sudeep Holla
2020-03-04 12:20     ` Ulf Hansson
2020-03-03 20:35 ` [PATCH v2 4/4] cpuidle: psci: Allow WFI to be the only state for the hierarchical topology Ulf Hansson
2020-03-04 12:23   ` Sudeep Holla
2020-03-05 14:17     ` Ulf Hansson
2020-03-05 16:23       ` Sudeep Holla
2020-03-06  9:28         ` Ulf Hansson
2020-03-06 10:04           ` Sudeep Holla
2020-03-06 10:47             ` Benjamin Gaignard
2020-03-06 12:06               ` Sudeep Holla
2020-03-06 12:32                 ` Benjamin Gaignard
2020-03-06 14:23                   ` Sudeep Holla
2020-03-06 14:44                     ` Benjamin Gaignard
2020-03-06 14:50                       ` Sudeep Holla
2020-03-06 15:35                         ` Benjamin Gaignard
2020-03-06 15:55                           ` Sudeep Holla [this message]
2020-03-03 22:27 ` [PATCH v2 0/4] cpuidle: psci: Some fixes when using the hierarchical layout Rafael J. Wysocki
2020-03-09  7:20   ` Ulf Hansson
2020-03-10  8:37     ` Rafael J. Wysocki

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