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From:   Thomas Gleixner <tglx@linutronix.de>
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To:     Florian Fainelli <f.fainelli@gmail.com>,
        linux-kernel@vger.kernel.org
Cc:     Florian Fainelli <f.fainelli@gmail.com>,
        Russell King <linux@armlinux.org.uk>,
        Ray Jui <rjui@broadcom.com>,
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Subject: Re: [PATCH 02/11] genirq: Export irq_to_desc() again to modules
In-Reply-To: <20210924170546.805663-3-f.fainelli@gmail.com>
References: <20210924170546.805663-1-f.fainelli@gmail.com>
 <20210924170546.805663-3-f.fainelli@gmail.com>
Date:   Sat, 25 Sep 2021 23:00:02 +0200
Message-ID: <87wnn4cqwd.ffs@tglx>
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On Fri, Sep 24 2021 at 10:05, Florian Fainelli wrote:
> In order to build drivers/irqchip/irq-bcm7038-l1.c as a module (for use
> in GKI), we need to export_to_desc() which is used in this snippet of
> code:
>
> 	irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(virq)));
>
> This effectively reverts 64a1b95bb9fe ("genirq: Restrict export of
> irq_to_desc()").

No. I'm not reexporting this. We've spent quite some time to prevent all
kind of drivers for fiddle with irq descriptors and I'm not going
to reopen that can of worms.

irq_get_irq_data() is exported and provides you what you need.

Thanks,

        tglx