From: Mathieu Poirier <mathieu.poirier@linaro.org>
To: Mike Leach <mike.leach@linaro.org>
Cc: coresight@lists.linaro.org, tglx@linutronix.de,
linux-arm-kernel@lists.infradead.org, suzuki.poulose@arm.com
Subject: Re: [PATCH v3 0/2] Add CPU power management for CPU bound CTI devices.
Date: Thu, 14 May 2020 11:12:16 -0600 [thread overview]
Message-ID: <20200514171216.GA28479@xps15> (raw)
In-Reply-To: <20200511204836.27870-1-mike.leach@linaro.org>
On Mon, May 11, 2020 at 09:48:34PM +0100, Mike Leach wrote:
> Adds in power management for CPU bound CTI devices:
> i) CPU Hotplug - registers a new notifier for CPU start and stop events.
> ii) CPU idle PM event notifier to handle PM_ENTER, PM_ENTER_FAILED and
> PM_EXIT events.
>
> Tested with DB410c on coresight/next tree (Linux 5.7-rc1)
>
> Changes since v2:
> 1) removed helper functions filtering on CONFIG_CPU_PM to call cpu_pm
> fns directly.
> 2) add check for return value from cpuhp_remove_state_nocalls().
>
> Changes since V1: (requested by Mathieu).
> 1) Split into separate patches for CPU pm and CPU hotplug handling.
> 2) Enable on hotplug has a specific function to enable the hardware,
> while leaving the enable reference counts unchanged.
>
> Mike Leach (2):
> coresight: cti: Add CPU Hotplug handling to CTI driver.
> coresight: cti: Add CPU idle pm notifer to CTI devices.
I have applied this set.
Thanks,
Mathieu
>
> drivers/hwtracing/coresight/coresight-cti.c | 160 ++++++++++++++++++++
> include/linux/cpuhotplug.h | 1 +
> 2 files changed, 161 insertions(+)
>
> --
> 2.17.1
>
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prev parent reply other threads:[~2020-05-14 17:12 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-11 20:48 [PATCH v3 0/2] Add CPU power management for CPU bound CTI devices Mike Leach
2020-05-11 20:48 ` [PATCH v3 1/2] coresight: cti: Add CPU Hotplug handling to CTI driver Mike Leach
2020-05-11 20:48 ` [PATCH v3 2/2] coresight: cti: Add CPU idle pm notifer to CTI devices Mike Leach
2020-05-14 17:12 ` Mathieu Poirier [this message]
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