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In-Reply-To: <20211220011524.17206-1-prabhakar.mahadev-lad.rj@bp.renesas.com>
From:   Linus Walleij <linus.walleij@linaro.org>
Date:   Mon, 20 Dec 2021 03:19:52 +0100
Message-ID: <CACRpkdbdr+MNp1iK7-snmr7iQ9cTey4iCjnoGGkQrqVwKdTy6w@mail.gmail.com>
Subject: Re: [PATCH] rtc: ftrtc010: Use platform_get_irq() to get the interrupt
To:     Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Cc:     Rob Herring <robh+dt@kernel.org>,
        Hans Ulli Kroll <ulli.kroll@googlemail.com>,
        Alessandro Zummo <a.zummo@towertech.it>,
        Alexandre Belloni <alexandre.belloni@bootlin.com>,
        linux-arm-kernel@lists.infradead.org, linux-rtc@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        Prabhakar <prabhakar.csengg@gmail.com>
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On Mon, Dec 20, 2021 at 2:15 AM Lad Prabhakar
<prabhakar.mahadev-lad.rj@bp.renesas.com> wrote:

> platform_get_resource(pdev, IORESOURCE_IRQ, ..) relies on static
> allocation of IRQ resources in DT core code, this causes an issue
> when using hierarchical interrupt domains using "interrupts" property
> in the node as this bypasses the hierarchical setup and messes up the
> irq chaining.
>
> In preparation for removal of static setup of IRQ resource from DT core
> code use platform_get_irq().
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

Yours,
Linus Walleij