linux-kernel - Re: [RFC PATCH] of/platform: Drop static setup of IRQ resource from DT core

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Date:   Mon, 13 Jun 2022 15:15:23 +0100
From:   "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To:     Yongqin Liu <yongqin.liu@...aro.org>
Cc:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Rob Herring <robh+dt@...nel.org>,
        Marc Zyngier <maz@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Biju Das <biju.das.jz@...renesas.com>
Subject: Re: [RFC PATCH] of/platform: Drop static setup of IRQ resource from
 DT core

On Mon, Jun 13, 2022 at 1:41 PM Yongqin Liu <yongqin.liu@...aro.org> wrote:
>
> Hi, Lad
>
> Thanks a lot for the links and suggestions!
> Finally I resolved the problem with the call of
> platform_get_irq_byname and irq_get_trigger_type.
>
> Btw, I just have a question about  the of_irq_to_resource function.
> At the beginning I tried to use platform_get_irq and of_irq_to_resource
> to get the irq name and flags information, but it seems of_irq_to_resource
> does not work as expected, maybe I called incorrectly somewhere,
> here I just want to ask, do you think that if of_irq_to_resource still
> could be used to
> get the resource with the irq returned from platform_get_irq?
>
>
Yes of_irq_to_resource() can be used to get the irq number.

Cheers,
Prabhakar