Re: [PATCH] Revert "ARM: dts: bcm2711: Add the BSC interrupt controller"

From: Maxime Ripard
Date: Tue Feb 16 2021 - 02:57:14 EST


On Fri, Feb 12, 2021 at 11:11:04AM -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@xxxxxxxxxxxxxxx>
> Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>

Acked-by: Maxime Ripard <mripard@xxxxxxxxxx>

Thanks!
Maxime

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