linux-kernel - Re: [PATCH] i2c: bcm2835: Use platform_get

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Message-ID: <Yoqlm74Megbsjhf9@shikoro>
Date:   Sun, 22 May 2022 23:05:31 +0200
From:   Wolfram Sang <wsa@...nel.org>
To:     zhaoxiao <zhaoxiao@...ontech.com>
Cc:     f.fainelli@...il.com, rjui@...adcom.com, sbranden@...adcom.com,
        nsaenz@...nel.org, linux-i2c@...r.kernel.org,
        linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] i2c: bcm2835: Use platform_get_irq() to get the interrupt

On Thu, Feb 10, 2022 at 05:25:06PM +0800, zhaoxiao 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 bypassed the hierarchical setup and messed 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: zhaoxiao <zhaoxiao@...ontech.com>

Already fixed upstream 6 months ago with

c3b2f911ac11 ("i2c: bcm2835: Use platform_get_irq() to get the interrupt")



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