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

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Message-ID: <55F70759.2070008@gmail.com>
Date:	Mon, 14 Sep 2015 10:43:53 -0700
From:	Florian Fainelli <f.fainelli@...il.com>
To:	Brian Norris <computersforpeace@...il.com>,
	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 14/09/15 10:42, Brian Norris wrote:
> One more thing:
> 
> 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
>> aec89ef72ba6c94420f599dcb684ed66937cdacf ("irqchip/gic: Enable
>> SKIP_SET_WAKE and MASK_ON_SUSPEND")
> 
> With this patch dropped, then we really don't need
> arch/arm/mach-bcm/brcmstb.c any more, AFAICT. Unless you have more plans
> for this file, I can send a patch...

I am in the process of cleaning up the BIU control register setup for
the memory controller write-pairing support to get that submitted, and
that needs to be initialized before SMP, so we will still need an entry
point in the machine code to do that.

Thanks!
-- 
Florian
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