linux-kernel - Re: [PATCH v2 1/3] i2c: bcm2835: Use platform_get

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Message-ID: <6e11a8bc-4d7b-db2c-87ff-4a6b1f5419a0@gmail.com>
Date:   Tue, 21 Dec 2021 10:24:37 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com,
        Nicolas Saenz Julienne <nsaenz@...nel.org>,
        Chris Brandt <chris.brandt@...esas.com>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        linux-i2c@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-renesas-soc@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Prabhakarprabhakar.csengg@...il.com
Subject: Re: [PATCH v2 1/3] i2c: bcm2835: Use platform_get_irq() to get the
 interrupt

On 12/21/21 9:53 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>

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