From: Thomas Gleixner <tglx@linutronix.de>
To: "Marek Maślanka" <mmaslanka@google.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
"Rajneesh Bhardwaj" <irenic.rajneesh@gmail.com>,
"David E Box" <david.e.box@intel.com>,
"Hans de Goede" <hdegoede@redhat.com>,
"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
"John Stultz" <jstultz@google.com>,
"Stephen Boyd" <sboyd@kernel.org>,
platform-driver-x86@vger.kernel.org
Subject: Re: [PATCH v3] platform/x86:intel/pmc: Enable the ACPI PM Timer to be turned off when suspended
Date: Wed, 31 Jul 2024 23:46:42 +0200 [thread overview]
Message-ID: <87plqt44l9.ffs@tglx> (raw)
In-Reply-To: <CAGcaFA2eXzzCVqG-DSWDb1gruV4FemRC3W+dgRub7GgcOyf7yQ@mail.gmail.com>
On Wed, Jul 31 2024 at 23:41, Marek Maślanka wrote:
> On Wed, Jul 31, 2024 at 6:33 PM Thomas Gleixner <tglx@linutronix.de> wrote:
>> On Wed, Jul 31 2024 at 16:44, Marek Maślanka wrote:
>> > Thanks. I'll try do this in that way. But I need to disable/enable
>> > ACPI PM timer only on suspend/resume, so I'll use suspend/resume
>> > callbacks.
>>
>> Why? What's the point of keeping it running when nothing uses it?
>>
> In case of Intel CPUs the watchdog (iTCO/wdat_wdt) is driven by ACPI PM
> Timer. But it may also be used by others that I don't know about, so I don't
> want to disable it.
Fair enough.
next prev parent reply other threads:[~2024-07-31 21:46 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-01 22:25 [PATCH] platform/x86:intel/pmc: Enable the ACPI PM Timer to be turned off when suspended Marek Maslanka
2024-07-02 8:02 ` Hans de Goede
2024-07-02 22:41 ` Marek Maślanka
2024-07-03 11:38 ` [PATCH v2] " Marek Maslanka
2024-07-03 16:30 ` Rajneesh Bhardwaj
2024-07-11 15:34 ` David E. Box
2024-07-15 12:39 ` Marek Maślanka
2024-07-30 12:05 ` [PATCH v3] " Marek Maslanka
2024-07-30 12:57 ` Ilpo Järvinen
2024-07-30 16:08 ` Thomas Gleixner
2024-07-31 14:44 ` Marek Maślanka
2024-07-31 16:33 ` Thomas Gleixner
2024-07-31 21:41 ` Marek Maślanka
2024-07-31 21:46 ` Thomas Gleixner [this message]
2024-08-06 7:24 ` Ilpo Järvinen
2024-08-09 13:13 ` [PATCH v4 1/2] clocksource: acpi_pm: Add external callback for suspend/resume Marek Maslanka
2024-08-09 13:13 ` [PATCH v4 2/2] platform/x86:intel/pmc: Enable the ACPI PM Timer to be turned off when suspended Marek Maslanka
2024-08-09 16:36 ` Thomas Gleixner
2024-08-12 4:40 ` [PATCH v5 " Marek Maslanka
2024-08-12 7:49 ` Ilpo Järvinen
2024-08-12 18:42 ` [PATCH v6 " Marek Maslanka
2024-08-19 11:31 ` Hans de Goede
2024-09-06 18:56 ` [tip: timers/core] " tip-bot2 for Marek Maslanka
2024-08-09 19:15 ` [PATCH v4 1/2] clocksource: acpi_pm: Add external callback for suspend/resume Thomas Gleixner
2024-08-12 4:37 ` [PATCH v5 " Marek Maslanka
2024-08-12 8:03 ` Hans de Goede
2024-08-12 18:41 ` [PATCH v6 " Marek Maslanka
2024-08-19 11:31 ` Hans de Goede
2024-08-19 11:35 ` Hans de Goede
2024-08-19 18:31 ` Daniel Lezcano
2024-09-06 18:56 ` [tip: timers/core] " tip-bot2 for Marek Maslanka
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