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

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Date:   Fri, 17 Apr 2020 13:55:34 -0700
From:   Saravana Kannan <saravanak@...gle.com>
To:     Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
Cc:     Frank Rowand <frowand.list@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 0/2] of: property: fw_devlink misc fixes

On Fri, Apr 17, 2020 at 11:06 AM Nicolas Saenz Julienne
<nsaenzjulienne@...e.de> wrote:
>
> Hi Saravana,
>
> On Fri, 2020-04-17 at 18:54 +0200, Nicolas Saenz Julienne wrote:
> > As I'm interested in using this feature to fine-tune Raspberry Pi 4's
> > device probe dependencies, I tried to get the board to boot with
> > fw_devlink=on. As of today's linux-next the board won't boot with that
> > option. I tried to address the underlying issues.
> >
>
> On a semi-related topic, have you looked at vendor specific properties? most of
> them create a consumer/supplier relationship, it'd be nice to be able to take
> those ones into account as well.

I'm on the wall about that. If we take every vendor specific property,
this file will explode. Not sure I want to do that.

Also, we haven't even finished all the generic bindings. I'm just
adding bindings as I get familiar with each of them and I test them on
hardware I have lying around before sending it out. So, there's where
my focus is right now wrt fw_devlink and DT.

I wonder how many of the vendor specific properties do very similar
things and got in over time. Maybe they can be made generic? What one
did you have in mind?

-Saravana