linux-kernel - Re: [PATCH 6/7] ARM: brcmstb: mask GIC IRQs on suspend

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Message-ID: <20150914172915.GN11487@google.com>
Date:	Mon, 14 Sep 2015 10:29:15 -0700
From:	Brian Norris <computersforpeace@...il.com>
To:	Florian Fainelli <f.fainelli@...il.com>
Cc:	Gregory Fong <gregory.0xf0@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	bcm-kernel-feedback-list@...adcom.com
Subject: Re: [PATCH 6/7] ARM: brcmstb: mask GIC IRQs on suspend

On Sat, Sep 12, 2015 at 12:53:32PM -0700, Florian Fainelli wrote:
> Le 06/18/15 17:11, Brian Norris a écrit :
> > Lazily-masked IRQs can cause system suspend problems (e.g., spurious
> > wakeups from WFI), so we need to be sure non-wakeup GIC interrupts get
> > masked, not just disabled, during system suspend.
> > 
> > Signed-off-by: Brian Norris <computersforpeace@...il.com>
> 
> Dropped this patch, no longer needed as of 4.3-rc0 with

Ooh, rc0! I didn't know we started doing sane numbering :)

> aec89ef72ba6c94420f599dcb684ed66937cdacf ("irqchip/gic: Enable
> SKIP_SET_WAKE and MASK_ON_SUSPEND")

Nice! I was wanting this done for a while, but I believe this approach
was rejected a few times before. Glad Sudeep dug to the bottom of the
issue to argue *why* that's the right thing to do.

Brian
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