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Date: Tue, 2 Feb 2021 15:58:38 +0800
From: Chen-Yu Tsai <wens@...e.org>
To: Andre Przywara <andre.przywara@....com>,
Lee Jones <lee.jones@...aro.org>
Cc: Maxime Ripard <maxime@...no.tech>,
Jernej Skrabec <jernej.skrabec@...l.net>,
Samuel Holland <samuel@...lland.org>,
Icenowy Zheng <icenowy@...c.io>, Rob Herring <robh@...nel.org>,
Clément Péron <peron.clem@...il.com>,
Shuosheng Huang <huangshuosheng@...winnertech.com>,
Yangtao Li <tiny.windzz@...il.com>,
linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
linux-kernel <linux-kernel@...r.kernel.org>,
linux-sunxi <linux-sunxi@...glegroups.com>
Subject: Re: [linux-sunxi] Re: [PATCH v5 06/20] mfd: axp20x: Allow AXP chips
without interrupt lines
On Thu, Jan 28, 2021 at 6:15 PM Maxime Ripard <maxime@...no.tech> wrote:
>
> 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.
> >
> > 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.
> >
> > 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.
> >
> > Signed-off-by: Andre Przywara <andre.przywara@....com>
>
> Acked-by: Maxime Ripard <mripard@...nel.org>
Acked-by: Chen-Yu Tsai <wens@...e.org>
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