linux-kernel - Re: [PATCH] MIPS: lantiq: irq: register the interrupt controllers with irqchip

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Date:   Wed, 13 Jan 2021 11:40:57 +0100
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc:     linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org,
        john@...ozen.org, hauke@...ke-m.de
Subject: Re: [PATCH] MIPS: lantiq: irq: register the interrupt controllers
 with irqchip_init

On Sat, Jan 09, 2021 at 08:53:51PM +0100, Martin Blumenstingl wrote:
> Add support for more interrupt controllers by switching from
> of_irq_init() to irqchip_init() in Lantiq's arch_init_irq(). This
> requires switching the ICU interrupt controller to use
> IRQCHIP_DECLARE(), like a real irqchip driver would do.
> 
> This is needed for future changes when new irqchip drivers are
> implemented:
> - a dedicated driver for the EIU interrupt controller
> - a driver for the MSI PIC (Programmable Interrupt Controller) found on
>   VRX200 and newer SoCs
> - ..or any other driver which uses IRQCHIP_DECLARE
> 
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
> ---
>  arch/mips/lantiq/irq.c | 8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)

applied to mips-next.

Thomas.

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