linux-kernel - Re: [PATCH 1/2] of_pci_irq: add a check to fallback to standard device tree parsing

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Message-ID: <1517956309.2312.172.camel@kernel.crashing.org>
Date:   Wed, 07 Feb 2018 09:31:49 +1100
From:   Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:     Ryder Lee <ryder.lee@...iatek.com>
Cc:     "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Arnd Bergmann <arnd@...db.de>, linux-pci@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-mediatek@...ts.infradead.org,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Frank Rowand <frowand.list@...il.com>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 1/2] of_pci_irq: add a check to fallback to standard
 device tree parsing

On Tue, 2018-02-06 at 13:42 +0800, Ryder Lee wrote:
> Thanks for explanation.
> 
> So I guess the better way to achieve my aim - one IRQ per slot that is
> connected to all INTx and get propagated through the bridges (and for
> those root ports own interrupts (PME ..)} is to add interrupt-map
> properties in both parent and root port nodes.
> 
> Something like this: https://patchwork.kernel.org/patch/9970923// ,right?

Yup.

Cheers,
Ben.