linux-kernel - Re: [PATCH 02/10] serial: 8250_bcm7271: Use platform_get

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Message-ID: <3913a3c2-2ae9-00a2-6c08-bab2afaa7cb3@gmail.com>
Date:   Fri, 24 Dec 2021 14:10:39 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        linux-serial@...r.kernel.org, Al Cooper <alcooperx@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>
Cc:     Rob Herring <robh+dt@...nel.org>, linux-kernel@...r.kernel.org,
        Prabhakar <prabhakar.csengg@...il.com>,
        bcm-kernel-feedback-list@...adcom.com
Subject: Re: [PATCH 02/10] serial: 8250_bcm7271: Use platform_get_irq() to get
 the interrupt



On 12/24/2021 6:29 AM, Lad Prabhakar 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@...renesas.com>

Acked-by: Florian Fainelli <f.fainelli@...il.com>
-- 
Florian