linux-kernel - Re: [PATCH 5/6] irqchip/mtk-sysirq: Allow modular build

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Date:   Wed, 16 Sep 2020 10:22:36 +0200
From:   Enric Balletbo Serra <eballetbo@...il.com>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Marc Zyngier <maz@...nel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Frank Wunderlich <linux@...web.de>,
        John Stultz <john.stultz@...aro.org>,
        Saravana Kannan <saravanak@...gle.com>,
        Hanks Chen <hanks.chen@...iatek.com>,
        Andy Gross <agross@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>, kernel-team@...roid.com
Subject: Re: [PATCH 5/6] irqchip/mtk-sysirq: Allow modular build

Missatge de Bjorn Andersson <bjorn.andersson@...aro.org> del dia dg.,
13 de set. 2020 a les 1:25:
>
> On Sat 12 Sep 07:51 CDT 2020, Marc Zyngier wrote:
>
> > Switch the driver to a "hybrid probe" model which preserves the
> > built-in behaviour while allowing the driver to be optionnally
> > built as a module for development purposes.
> >
>
> Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>
>
> > Signed-off-by: Marc Zyngier <maz@...nel.org>

I've tested this on mt8173 and mt8183, and this time, the patches
didn't break booting on these platforms. For MediaTek, right now, only
makes sense the driver to be built-in as other drivers that use it are
not ready for deferring their probe. So,

Tested-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>

Thanks
  Enric

> > ---
> >  drivers/irqchip/irq-mtk-sysirq.c | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/irqchip/irq-mtk-sysirq.c b/drivers/irqchip/irq-mtk-sysirq.c
> > index 6ff98b87e5c0..ee45d8f71ec3 100644
> > --- a/drivers/irqchip/irq-mtk-sysirq.c
> > +++ b/drivers/irqchip/irq-mtk-sysirq.c
> > @@ -231,4 +231,6 @@ static int __init mtk_sysirq_of_init(struct device_node *node,
> >       kfree(chip_data);
> >       return ret;
> >  }
> > -IRQCHIP_DECLARE(mtk_sysirq, "mediatek,mt6577-sysirq", mtk_sysirq_of_init);
> > +IRQCHIP_HYBRID_DRIVER_BEGIN(mtk_sysirq)
> > +IRQCHIP_MATCH("mediatek,mt6577-sysirq", mtk_sysirq_of_init)
> > +IRQCHIP_HYBRID_DRIVER_END(mtk_sysirq)
> > --
> > 2.28.0
> >