linux-kernel - Re: [PATCH v5 06/10] irqchip: ti-sci-intr: Add support for Interrupt Router driver

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Message-ID: <799cd61d-e73b-d979-f5e0-9f4ce1de7d03@ti.com>
Date:   Tue, 19 Mar 2019 18:14:27 +0530
From:   Lokesh Vutla <lokeshvutla@...com>
To:     Marc Zyngier <marc.zyngier@....com>
CC:     Nishanth Menon <nm@...com>,
        Device Tree Mailing List <devicetree@...r.kernel.org>,
        <jason@...edaemon.net>, Peter Ujfalusi <peter.ujfalusi@...com>,
        Tony Lindgren <tony@...mide.com>, Sekhar Nori <nsekhar@...com>,
        <linux-kernel@...r.kernel.org>, Tero Kristo <t-kristo@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Santosh Shilimkar <ssantosh@...nel.org>, <tglx@...utronix.de>,
        Linux ARM Mailing List <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v5 06/10] irqchip: ti-sci-intr: Add support for Interrupt
 Router driver

Hi Marc,

[..snip..]

> 
>> suggested to investigate the x86 two phase allocation mechanism for the
>> INTA driver.
> 
> Sorry, Ill try to explore this path. Any pointers to the doc/code will be really
> helpful :)

I have been trying hard to get some information on this for past few days but I
can't find anything in kernel. Can you point me to some doc/code for the x86 two
phase allocation of irqs?

Thanks and regards,
Lokesh