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Date:   Thu, 28 Jan 2021 11:15:44 +0100
From:   Maxime Ripard <maxime@cerno.tech>
To:     Andre Przywara <andre.przywara@arm.com>
Cc:     Chen-Yu Tsai <wens@csie.org>,
        Jernej Skrabec <jernej.skrabec@siol.net>,
        Samuel Holland <samuel@sholland.org>,
        Icenowy Zheng <icenowy@aosc.io>, Rob Herring <robh@kernel.org>,
        =?utf-8?B?Q2zDqW1lbnQgUMOpcm9u?= <peron.clem@gmail.com>,
        Shuosheng Huang <huangshuosheng@allwinnertech.com>,
        Yangtao Li <tiny.windzz@gmail.com>,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-sunxi@googlegroups.com, Lee Jones <lee.jones@linaro.org>
Subject: Re: [PATCH v5 06/20] mfd: axp20x: Allow AXP chips without interrupt
 lines
Message-ID: <20210128101544.yyvrguk2jlgr4uwo@gilmour>
References: <20210127172500.13356-1-andre.przywara@arm.com>
 <20210127172500.13356-7-andre.przywara@arm.com>
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On Wed, Jan 27, 2021 at 05:24:46PM +0000, Andre Przywara wrote:
> Currently the AXP chip requires to have its IRQ line connected to some
> interrupt controller, and will fail probing when this is not the case.
>=20
> On a new Allwinner SoC (H616) there is no NMI pin anymore, and at
> least one board does not connect the AXP's IRQ pin to anything else,
> so the interrupt functionality of the AXP chip is simply not available.
>=20
> Check whether the interrupt line number returned by the platform code is
> valid, before trying to register the irqchip. If not, we skip this
> registration, to avoid the driver to bail out completely.
>=20
> Signed-off-by: Andre Przywara <andre.przywara@arm.com>

Acked-by: Maxime Ripard <mripard@kernel.org>

Maxime

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