linux-kernel - Re: [PATCH 0/5] Fix regression introduced by set_irq

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Message-ID: <alpine.DEB.2.11.1512081153410.3595@nanos>
Date:	Tue, 8 Dec 2015 11:54:11 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
cc:	Jason Cooper <jason@...edaemon.net>,
	Marc Zyngier <marc.zyngier@....com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Tawfik Bayouk <tawfik@...vell.com>,
	Nadav Haklai <nadavh@...vell.com>,
	Lior Amsalem <alior@...vell.com>, Andrew Lunn <andrew@...n.ch>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Gregory Clement <gregory.clement@...e-electrons.com>
Subject: Re: [PATCH 0/5] Fix regression introduced by set_irq_flags()
 removal

On Tue, 8 Dec 2015, Thomas Petazzoni wrote:
> When a device driver uses a normal (non per-CPU) interrupt, then it
> doesn't have to take care of disabling the interrupt on suspend and
> re-enabling the interrupt on resume at the interrupt controller level.
> This is all transparently handled by the irqchip driver.
> 
> Why should the handling of per-CPU interrupts be different and require
> explicit handling from each device driver rather than being
> transparently handled by the irqchip driver ?

Fair enough. Did not think about the boot cpu part.

Thanks,

	tglx
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