Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Date:   Wed, 19 May 2021 16:01:38 +0100
From:   Lee Jones <lee.jones@linaro.org>
To:     Andre Przywara <andre.przywara@arm.com>
Cc:     Maxime Ripard <mripard@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
        Jernej Skrabec <jernej.skrabec@gmail.com>,
        Rob Herring <robh@kernel.org>, Icenowy Zheng <icenowy@aosc.io>,
        Samuel Holland <samuel@sholland.org>,
        Ondrej Jirman <megous@megous.com>,
        linux-arm-kernel@lists.infradead.org, linux-sunxi@googlegroups.com,
        linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 02/17] mfd: axp20x: Allow AXP 806 chips without
 interrupt lines
Message-ID: <20210519150138.GK2549456@dell>
References: <20210519104152.21119-1-andre.przywara@arm.com>
 <20210519104152.21119-3-andre.przywara@arm.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
Content-Transfer-Encoding: 8bit
In-Reply-To: <20210519104152.21119-3-andre.przywara@arm.com>
Precedence: bulk

On Wed, 19 May 2021, 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.
> Also we need to skip the power key functionality, as this relies on
> a valid IRQ as well.
> 
> Signed-off-by: Andre Przywara <andre.przywara@arm.com>
> ---
>  drivers/mfd/axp20x.c | 24 +++++++++++++++++-------
>  1 file changed, 17 insertions(+), 7 deletions(-)

Applied, thanks.

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
Follow Linaro: Facebook | Twitter | Blog