linux-kernel - Re: [PATCH v2 1/3] genirq/irq_sim: Allow both one and two cell bindings

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Message-ID: <CAMRc=MfjB4QTf_zp5Rk3T_ndqDjCCjAW2HmGpJ9EF-i1epSLcw@mail.gmail.com>
Date:   Mon, 26 Sep 2022 13:24:48 +0200
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Wei Yongjun <weiyongjun@...weicloud.com>,
        Marc Zyngier <maz@...nel.org>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Linus Walleij <linus.walleij@...aro.org>,
        Wei Yongjun <weiyongjun1@...wei.com>,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/3] genirq/irq_sim: Allow both one and two cell bindings

On Mon, Sep 26, 2022 at 10:27 AM Wei Yongjun <weiyongjun@...weicloud.com> wrote:
>
> From: Wei Yongjun <weiyongjun1@...wei.com>
>
> The IRQ simulator only support one cell binding now, this patch make it
> works with either one or two cell bindings, where the cell values map
> directly to the irq number and irq flags.
>
> Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
> ---
>  kernel/irq/irq_sim.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/kernel/irq/irq_sim.c b/kernel/irq/irq_sim.c
> index dd76323ea3fd..73a90b7b6022 100644
> --- a/kernel/irq/irq_sim.c
> +++ b/kernel/irq/irq_sim.c
> @@ -149,6 +149,7 @@ static void irq_sim_domain_unmap(struct irq_domain *domain, unsigned int virq)
>  static const struct irq_domain_ops irq_sim_domain_ops = {
>         .map            = irq_sim_domain_map,
>         .unmap          = irq_sim_domain_unmap,
> +       .xlate          = irq_domain_xlate_onetwocell,
>  };
>
>  /**
> --
> 2.34.1
>

You'll need Marc's (Cc'ed) Ack here.

Bart