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

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Message-ID: <e0f1aed2b0007eab6e9192ac73fd411f@kernel.org>
Date:   Thu, 10 Dec 2020 17:59:09 +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 2020-12-10 13:46, Maxime Ripard wrote:
> The BCM2711 uses a number of instances of the bcmstb-l2 controller in 
> its
> display engine. Let's allow the driver to be enabled through KConfig.
> 
> Signed-off-by: Maxime Ripard <maxime@...no.tech>
> ---
>  drivers/irqchip/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
> index c6098eee0c7c..f1e58de117dc 100644
> --- a/drivers/irqchip/Kconfig
> +++ b/drivers/irqchip/Kconfig
> @@ -131,7 +131,7 @@ config BCM7120_L2_IRQ
>  	select IRQ_DOMAIN
> 
>  config BRCMSTB_L2_IRQ
> -	bool
> +	bool "Broadcom STB L2 Interrupt Controller"
>  	select GENERIC_IRQ_CHIP
>  	select IRQ_DOMAIN

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.

Thanks,

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