linux-kernel - Re: [PATCH] pinctrl: armada-37xx: Fix spurious irq management

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Message-ID: <CACRpkdak2q56BpjrvpGF_FzN=ZTbZ+71r425rFAe=b-kRQDqwA@mail.gmail.com>
Date:   Thu, 24 May 2018 10:17:06 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Gregory CLEMENT <gregory.clement@...tlin.com>
Cc:     "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Jason Cooper <jason@...edaemon.net>,
        Andrew Lunn <andrew@...n.ch>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Antoine Tenart <antoine.tenart@...tlin.com>,
        Miquèl Raynal <miquel.raynal@...tlin.com>,
        Maxime Chevallier <maxime.chevallier@...tlin.com>,
        Nadav Haklai <nadavh@...vell.com>,
        Victor Gu <xigu@...vell.com>, Marcin Wojtas <mw@...ihalf.com>,
        Wilson Ding <dingwei@...vell.com>,
        Hua Jing <jinghua@...vell.com>,
        Neta Zur Hershkovits <neta@...vell.com>,
        Terry Zhou <bjzhou@...vell.com>,
        stable <stable@...r.kernel.org>
Subject: Re: [PATCH] pinctrl: armada-37xx: Fix spurious irq management

On Wed, May 23, 2018 at 10:44 AM, Gregory CLEMENT
<gregory.clement@...tlin.com> wrote:

> From: Terry Zhou <bjzhou@...vell.com>
>
> Until now, if we found spurious irq in irq_handler, we only updated the
> status in register but not the status in the code. Due to this the system
> will got stuck dues to the infinite loop
>
> [gregory.clement@...tlin.com: update comment and add fix and stable tags]
> Fixes: 30ac0d3b0702 ("pinctrl: armada-37xx: Add edge both type gpio irq support")
> Cc: <stable@...r.kernel.org>
> Signed-off-by: Terry Zhou <bjzhou@...vell.com>
> Reviewed-by: Gregory CLEMENT <gregory.clement@...tlin.com>
> Signed-off-by: Gregory CLEMENT <gregory.clement@...tlin.com>

Patch applied.

Yours,
Linus Walleij