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Date: Fri, 27 Oct 2017 21:39:59 +0200
From: Andrew Lunn <andrew@lunn.ch>
To: Gregory CLEMENT <gregory.clement@free-electrons.com>
Cc: Linus Walleij <linus.walleij@linaro.org>, linux-gpio@vger.kernel.org,
        linux-kernel@vger.kernel.org, Jason Cooper <jason@lakedaemon.net>,
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        =?iso-8859-1?Q?Miqu=E8l?= Raynal 
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        Nadav Haklai <nadavh@marvell.com>, Victor Gu <xigu@marvell.com>,
        Marcin Wojtas <mw@semihalf.com>, Wilson Ding <dingwei@marvell.com>,
        Hua Jing <jinghua@marvell.com>,
        Neta Zur Hershkovits <neta@marvell.com>, Ken Ma <make@marvell.com>
Subject: Re: [PATCH] pinctrl: armada-37xx: Add edge both type gpio irq support
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Hi Gregory

> In the end I don't think it is a problem.

I think it should be clearly documented somewhere. Hardware which can
do both edges in hardware won't have this problem. If i'm using this
generic feature, i want an idea if it is mostly going to work, or
always going to work.

   Andrew