linux-kernel - Re: [PATCH] ARM: dts: turris-omnia: fix hardware buffer management

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Date:   Wed, 17 Feb 2021 16:31:04 +0000
From:   Rui Salvaterra <rsalvaterra@...il.com>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     gregory.clement@...tlin.com, kabel@...nel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: dts: turris-omnia: fix hardware buffer management

Hi, Andrew,

On Wed, 17 Feb 2021 at 16:22, Andrew Lunn <andrew@...n.ch> wrote:
>
> Hi Rui
>
> I don't know all the details for the MBus Windows...

Neither do I, I just followed the examples in other device trees
(namely armada-385-linksys.dtsi). I wanted to get hardware buffer
management working on my Omnia, in OpenWrt, so I started digging. :)

> Can this be set once in armada-385.dtsi ?

If all SoCs support it, I don't see why not. However, I have to defer
to someone with experience on these systems.

> Did you check the other dts files. Do any others have the same
> problem?

I did a cursory grep, yes. I see a lot of .dts files with the correct
declaration, so probably aren't that many missing (if any at all,
anymore).

Thanks,
Rui