From: Marc Zyngier <marc.zyngier-5wv7dgnIgG8@public.gmane.org>
To: Derek Basehore
<dbasehore-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: Soby.Mathew-5wv7dgnIgG8@public.gmane.org,
sudeep.holla-5wv7dgnIgG8@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
mark.rutland-5wv7dgnIgG8@public.gmane.org,
linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
rafael.j.wysocki-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org,
briannorris-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org
Subject: Re: [PATCH v5 1/4] cpu_pm: add syscore_suspend error handling
Date: Wed, 7 Feb 2018 08:57:27 +0000 [thread overview]
Message-ID: <04ebd1d9-b45b-df87-d59e-1a3df97f3371@arm.com> (raw)
In-Reply-To: <20180207014117.62611-2-dbasehore-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
On 07/02/18 01:41, Derek Basehore wrote:
> If cpu_cluster_pm_enter() fails, cpu_pm_exit() should be called. This
> will put the CPU in the correct state to resume from the failure.
>
> Signed-off-by: Derek Basehore <dbasehore-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
> ---
> kernel/cpu_pm.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/kernel/cpu_pm.c b/kernel/cpu_pm.c
> index 67b02e138a47..03bcc0751a51 100644
> --- a/kernel/cpu_pm.c
> +++ b/kernel/cpu_pm.c
> @@ -186,6 +186,9 @@ static int cpu_pm_suspend(void)
> return ret;
>
> ret = cpu_cluster_pm_enter();
> + if (ret)
> + cpu_pm_exit();
> +
> return ret;
> }
>
>
It is unclear to me why we need this patch as part of the ITS series. I
probably fixes something for you, but I don't see the connection with
the other patches.
Thanks,
M.
--
Jazz is not dead. It just smells funny...
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next prev parent reply other threads:[~2018-02-07 8:57 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-07 1:41 [PATCH v5 0/5] GICv3 Save and Restore Derek Basehore
2018-02-07 1:41 ` [PATCH v5 1/4] cpu_pm: add syscore_suspend error handling Derek Basehore
[not found] ` <20180207014117.62611-2-dbasehore-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
2018-02-07 8:57 ` Marc Zyngier [this message]
2018-02-07 22:01 ` Brian Norris
2018-02-07 22:10 ` Marc Zyngier
2018-02-07 1:41 ` [PATCH v5 2/4] irqchip/gic-v3-its: add ability to save/restore ITS state Derek Basehore
2018-02-07 9:18 ` Marc Zyngier
2018-02-07 1:41 ` [PATCH v5 3/4] DT/arm,gic-v3-its: add reset-on-suspend property Derek Basehore
2018-02-07 9:21 ` Marc Zyngier
[not found] ` <b4c7bc62-6861-3851-513e-be8d7a440c91-5wv7dgnIgG8@public.gmane.org>
2018-02-08 2:59 ` dbasehore .
2018-02-07 1:41 ` [PATCH v5 4/4] irqchip/gic-v3-its: add ability to resend MAPC on resume Derek Basehore
2018-02-07 8:46 ` Marc Zyngier
2018-02-07 23:22 ` Brian Norris
2018-02-08 0:00 ` dbasehore .
[not found] ` <CAGAzgsprocoZRtccPrbArUqyBTYiQm=vr6qjrK-5rAMSeusZ-Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-02-08 9:08 ` Marc Zyngier
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