linux-kernel - Re: [PATCH] pinctrl: armada-37xx: Add edge both type gpio irq support

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Message-ID: <20171027193959.GB2385@lunn.ch>
Date:   Fri, 27 Oct 2017 21:39:59 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Gregory CLEMENT <gregory.clement@...e-electrons.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jason Cooper <jason@...edaemon.net>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        linux-arm-kernel@...ts.infradead.org,
        Antoine Tenart <antoine.tenart@...e-electrons.com>,
        Miquèl Raynal 
        <miquel.raynal@...e-electrons.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>,
        Ken Ma <make@...vell.com>
Subject: Re: [PATCH] pinctrl: armada-37xx: Add edge both type gpio irq support

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