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Date: Wed, 17 Jan 2018 10:18:32 +0100 (CET)
From: Thomas Gleixner <tglx@linutronix.de>
To: Marc Zyngier <marc.zyngier@arm.com>
cc: Yang Shunyong <shunyong.yang@hxt-semitech.com>,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] irqdomain: provide useful debugging information for irq
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On Wed, 17 Jan 2018, Marc Zyngier wrote:
> In all honesty, I'd be more inclined to remove this debug feature
> altogether, as CONFIG_GENERIC_IRQ_DEBUGFS is more complete and more
> useful. Is there any feature missing from that infrastructure that
> prevents you from using it instead?
> 
> If the answer is "none", then I'll post a patch removing it.

Wanted to do that quite some time ago and never came around to it.