From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
To: Florian Fainelli <f.fainelli@gmail.com>,
linux-arm-kernel@lists.infradead.org
Cc: "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>,
linux-media@vger.kernel.org, dave.stevenson@raspberrypi.com,
maz@kernel.org, open list <linux-kernel@vger.kernel.org>,
dri-devel@lists.freedesktop.org, eric@anholt.net,
Rob Herring <robh+dt@kernel.org>,
bcm-kernel-feedback-list@broadcom.com, maxime@cerno.tech,
tzimmermann@suse.de, hverkuil-cisco@xs4all.nl,
mchehab@kernel.org, linux-rpi-kernel@lists.infradead.org
Subject: Re: [PATCH] Revert "ARM: dts: bcm2711: Add the BSC interrupt controller"
Date: Tue, 16 Feb 2021 18:13:39 +0100 [thread overview]
Message-ID: <6d1b87e8fec188289a2e42cd2e07dd40ed1d3d3a.camel@suse.de> (raw)
In-Reply-To: <20210212191104.2365912-1-f.fainelli@gmail.com>
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On Fri, 2021-02-12 at 11:11 -0800, Florian Fainelli wrote:
> As Dave reported:
>
> This seems to have unintended side effects. GIC interrupt 117 is shared
> between the standard I2C controllers (i2c-bcm2835) and the l2-intc block
> handling the HDMI I2C interrupts.
>
> There is not a great way to share an interrupt between an interrupt
> controller using the chained IRQ handler which is an interrupt flow and
> another driver like i2c-bcm2835 which uses an interrupt handler
> (although it specifies IRQF_SHARED).
>
> Simply revert this change for now which will mean that HDMI I2C will be
> polled, like it was before.
>
> Reported-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Regards,
Nicolas
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next prev parent reply other threads:[~2021-02-16 17:15 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-12 19:11 [PATCH] Revert "ARM: dts: bcm2711: Add the BSC interrupt controller" Florian Fainelli
2021-02-16 7:55 ` Maxime Ripard
2021-02-16 17:13 ` Nicolas Saenz Julienne [this message]
2021-02-17 1:12 ` Florian Fainelli
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