linux-kernel - Re: [PATCH v2 0/2] of: property: Add fw

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Date:   Mon, 1 Feb 2021 11:52:04 +0100
From:   Martin Kaiser <martin@...ser.cx>
To:     Saravana Kannan <saravanak@...gle.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-tegra <linux-tegra@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Jon Hunter <jonathanh@...dia.com>,
        Marc Zyngier <maz@...nel.org>,
        Kevin Hilman <khilman@...libre.com>,
        Android Kernel Team <kernel-team@...roid.com>
Subject: Re: [PATCH v2 0/2] of: property: Add fw_devlink support for more
 props

Hi Saravana,

Thus wrote Saravana Kannan (saravanak@...gle.com):

> This series [1] has a high chance of fixing it for you if
> CONFIG_MODULES is disabled in your set up. Can you give it a shot?

sure. This fixes things for me if CONFIG_MODULES is disabled. Booting is
still stuck if modules are enabled.

> The real problem is that arch/arm/mach-imx/avic.c doesn't set the
> OF_POPULATED flag for the "fsl,avic" node. fw_devlink uses this
> information to know that this device node will never have a struct
> device created for it. The proper way to do this for root IRQCHIP
> nodes is to use IRQCHIP_DECLARE(). I Cc'ed you on a clean up patch for
> IMX [2], can you please give [2] a shot *without* [1] and with
> CONFIG_MODULES enabled? Things should boot properly with this
> combination too.

This works as well.

Thanks,
Martin