linux-kernel - Re: [PATCH RESEND v3 0/3] irqchip: vf610-mscm: add support for MSCM interrupt router

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Message-ID: <54C63856.7010704@arm.com>
Date:	Mon, 26 Jan 2015 12:51:34 +0000
From:	Marc Zyngier <marc.zyngier@....com>
To:	Stefan Agner <stefan@...er.ch>,
	Thomas Gleixner <tglx@...utronix.de>
CC:	"jason@...edaemon.net" <jason@...edaemon.net>,
	"u.kleine-koenig@...gutronix.de" <u.kleine-koenig@...gutronix.de>,
	"shawn.guo@...aro.org" <shawn.guo@...aro.org>,
	"kernel@...gutronix.de" <kernel@...gutronix.de>,
	"arnd@...db.de" <arnd@...db.de>,
	"robh+dt@...nel.org" <robh+dt@...nel.org>,
	Pawel Moll <Pawel.Moll@....com>,
	Mark Rutland <Mark.Rutland@....com>,
	"ijc+devicetree@...lion.org.uk" <ijc+devicetree@...lion.org.uk>,
	"galak@...eaurora.org" <galak@...eaurora.org>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH RESEND v3 0/3] irqchip: vf610-mscm: add support for MSCM
 interrupt router

On 26/01/15 11:55, Stefan Agner wrote:
> On 2015-01-26 11:16, Thomas Gleixner wrote:
>> On Thu, 15 Jan 2015, Stefan Agner wrote:
>>
>>> Splitted out version of the MSCM driver. My first driver based on the
>>> routeable domain support and was part of the Vybrid Cortex-M4 support
>>> patchset.
>>>
>>> So far the MSCM interrupt router was initialized by the boot loader
>>> and configured all interrupts for the Cortex-A5 CPU. There are two
>>> use cases where a proper driver is necessary:
>>> - To run Linux on the Cortex-M4. When the kernel is running on the
>>>   non-preconfigured CPU, the interrupt router need to be configured
>>>   properly.
>>> - To support deeper sleep modes: LPSTOP clears the interrupt router
>>>   configuration, hence a driver needs to restore the configuration
>>>   on resume.
>>> I created a seperate patchset for that driver which hopefully makes
>>> it easier to get it into mergeable state.
>>>
>>> Since I identified some registers likely to be used by other drivers
>>> (e.g. CPU ID or the CPU Generate Interrupt Register) I also added
>>> the "syscon" compatible string to make the registers available for
>>> other drivers in case needed.
>>>
>>> This resend version of this patchset is rebased on v3.19-rc4.
>>
>> Has the discussion with Marc on the original V3 set been resolved?
> 
> There was no answer to the original v3 patch. The comments of Marc was
> back in the v2 set, and has been resolved in v3. However, no Ack from
> Marc so far.

That's just me being lazy ;-). For the series:

Acked-by: Marc Zyngier <marc.zyngier@....com>

	M.
-- 
Jazz is not dead. It just smells funny...
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