linux-kernel - Re: [PATCH 01/15] irqchip: Allow to compile bcmstb on other platforms

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Date:   Mon, 14 Dec 2020 16:20:36 +0000
From:   Marc Zyngier <maz@...nel.org>
To:     Maxime Ripard <maxime@...no.tech>
Cc:     Eric Anholt <eric@...olt.net>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Daniel Vetter <daniel.vetter@...el.com>,
        David Airlie <airlied@...ux.ie>,
        bcm-kernel-feedback-list@...adcom.com,
        linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        linux-kernel@...r.kernel.org,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        linux-rpi-kernel@...ts.infradead.org,
        dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH 01/15] irqchip: Allow to compile bcmstb on other platforms

Hi Maxime,

On 2020-12-14 15:27, Maxime Ripard wrote:
> Hi Marc,
> 
> On Thu, Dec 10, 2020 at 05:59:09PM +0000, Marc Zyngier wrote:

[...]

>> I'm always sceptical of making interrupt controllers user-selectable.
>> Who is going to know that they need to pick that one?
>> 
>> I'd be much more in favour of directly selecting this symbol
>> from DRM_VC4_HDMI_CEC, since there is an obvious dependency.
> 
> It's a bit weird to me that the HDMI CEC support selects it, since that
> interrupt controller is external and here no matter what.

 From glancing at the series, I was under the impression that these
controllers were there for the sole benefit of the HDMI controllers.
Is there anything else connected to them?

> Would selecting it from the ARCH_* Kconfig option work for you?

Sure. My only ask is that the low level plumbing is selected without
requiring any user guesswork.

Thanks,

         M.
-- 
Jazz is not dead. It just smells funny...