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Message-ID: <20151021154937.0684666d@free-electrons.com>
Date: Wed, 21 Oct 2015 15:49:37 +0200
From: Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
To: Thomas Gleixner <tglx@...utronix.de>
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
Thomas,
On Tue, 20 Oct 2015 21:23:29 +0200 (CEST), Thomas Gleixner wrote:
> On Tue, 20 Oct 2015, Thomas Petazzoni wrote:
> > As discussed on IRC, another simpler (code line wise) solution is to
> > simply clear the IRQ_NOAUTOEN flag in the irq-armada-370-xp, which
> > brings us back to what set_irq_flags() was doing, without actually
> > reverting Rob's patch.
>
> I prefer that for 4.3.
Done, I've proposed a patch as a reply to this e-mail. It's a one-liner.
> > However, relying on IRQ_NOAUTOEN being cleared doesn't seem like the
> > right long term solution, which is why I implemented what I believe is
> > a (hopefully) better long term solution.
>
> Agreed.
>
> I'll go over the proposed solution tomorrow afternoon (I'm
> traveling/conferencing...)
Sure, no problem.
I also noticed that MSI interrupts are not properly re-enabled after
resume, but it's not a regression from 4.2, as I can also reproduce the
issue on 4.2, so I'll handle that separately.
Thanks!
Thomas
--
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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