From: Alexandre Belloni <alexandre.belloni@free-electrons.com>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Linux PM <linux-pm@vger.kernel.org>,
Linux ACPI <linux-acpi@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>,
David Box <david.e.box@linux.intel.com>,
Alessandro Zummo <a.zummo@towertech.it>
Subject: Re: [PATCH 2/3] RTC: rtc-cmos: Fix wakeup from suspend-to-idle
Date: Wed, 31 May 2017 11:21:55 +0200 [thread overview]
Message-ID: <20170531092155.ofhimzxatz4kqbul@piout.net> (raw)
In-Reply-To: <31830983.Z4sGoD3BOE@aspire.rjw.lan>
Hi Rafael,
On 14/05/2017 at 01:55:32 +0200, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
>
> Commit eed4d47efe95 (ACPI / sleep: Ignore spurious SCI wakeups from
> suspend-to-idle) modified the core suspend-to-idle code to filter
> out spurious SCI interrupts received while suspended, which requires
> ACPI event source handlers to report wakeup events in a way that
> will trigger a wakeup from suspend to idle (or abort system suspends
> in progress, which is equivalent).
>
> That needs to be done in the rtc-cmos driver too, which was overlooked
> by the above commit, so do that now.
>
> Fixes: eed4d47efe95 (ACPI / sleep: Ignore spurious SCI wakeups from suspend-to-idle)
> Reported-by: David E. Box <david.e.box@linux.intel.com>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> ---
> drivers/rtc/rtc-cmos.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> Index: linux-pm/drivers/rtc/rtc-cmos.c
> ===================================================================
> --- linux-pm.orig/drivers/rtc/rtc-cmos.c
> +++ linux-pm/drivers/rtc/rtc-cmos.c
> @@ -1085,7 +1085,7 @@ static u32 rtc_handler(void *context)
> }
> spin_unlock_irqrestore(&rtc_lock, flags);
>
> - pm_wakeup_event(dev, 0);
> + pm_wakeup_hard_event(dev);
> acpi_clear_event(ACPI_EVENT_RTC);
> acpi_disable_event(ACPI_EVENT_RTC, 0);
> return ACPI_INTERRUPT_HANDLED;
>
This seems good to me, do you expect it to go through my tree?
--
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
next prev parent reply other threads:[~2017-05-31 9:22 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-13 23:50 [PATCH 0/3] PM / wakeup / ACPI: Suspend-to-idle wakeup fixes and optimization Rafael J. Wysocki
2017-05-13 23:52 ` [PATCH 1/3] PM / wakeup: Fix up wakeup_source_report_event() Rafael J. Wysocki
2017-05-13 23:55 ` [PATCH 2/3] RTC: rtc-cmos: Fix wakeup from suspend-to-idle Rafael J. Wysocki
2017-05-31 9:21 ` Alexandre Belloni [this message]
2017-05-31 9:25 ` Alexandre Belloni
2017-05-13 23:57 ` [PATCH 3/3] ACPI / sleep: Simplify suspend-to-idle event processing loop Rafael J. Wysocki
2017-05-14 11:17 ` Rafael J. Wysocki
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