linux-kernel - Re: [patch 10/10] irqchip/armada-xp: Consolidate hotplug state space

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Message-ID: <20161221212235.77e590c8@free-electrons.com>
Date:   Wed, 21 Dec 2016 21:22:35 +0100
From:   Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Sebastian Siewior <bigeasy@...utronix.de>,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Marc Zyngier <marc.zyngier@....com>
Subject: Re: [patch 10/10] irqchip/armada-xp: Consolidate hotplug state
 space

Hello,

On Wed, 21 Dec 2016 20:19:57 +0100, Thomas Gleixner wrote:
> The mpic is either the main interrupt controller or sits behind a GIC. But
> there is no way that both variants are available on the same system.

By "both variants", you mean the MPIC acting as the main interrupt
controller on one side, and the MPIC acting as a "cascaded" controller,
child of the GIC on the other side ?

If that's what you meant, then indeed it's correct.

Best regards,

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com