netdev - Re: [PATCH v2 0/6] fw_devlink improvements

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Message-ID: <9353510e-d6ac-bd73-4e3d-d92d66ef2120@samsung.com>
Date:   Fri, 17 Sep 2021 11:18:11 +0200
From:   Marek Szyprowski <m.szyprowski@...sung.com>
To:     Saravana Kannan <saravanak@...gle.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, Len Brown <lenb@...nel.org>,
        John Stultz <john.stultz@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Vladimir Oltean <olteanv@...il.com>, kernel-team@...roid.com,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        linux-acpi@...r.kernel.org
Subject: Re: [PATCH v2 0/6] fw_devlink improvements

Hi,

On 15.09.2021 18:44, Saravana Kannan wrote:
> On Wed, Sep 15, 2021 at 1:44 AM Marek Szyprowski
> <m.szyprowski@...sung.com> wrote:
>> On 15.09.2021 10:11, Saravana Kannan wrote:
>>> Patches ready for picking up:
>>> Patch 1 fixes a bug in fw_devlink.
>>> Patch 2-4 are meant to make debugging easier
>>> Patch 5 and 6 fix fw_devlink issues with PHYs and networking
>> Is this patchset supposed to fix the PHY related issues I've experienced
>> or does it also require the Andrew's patch for 'mdio-parent-bus'? If the
>> first, then applying only this patchset on top of today's linux-next
>> doesn't fix the ethernet issue on my Amlogic SoC based test boards.
> Marek,
>
> The issue you hit was actually a general issue with fw_devlink and
> that's fixed by Patch 1. But I also needed to revert the phy-handle
> patch for other reasons (see commit text) and that fixes the issue you
> were hitting without needing the 'mdio-parent-bus' patch.
> https://lore.kernel.org/lkml/20210915081933.485112-1-saravanak@google.com/
>
> When I eventually bring back phy-handle support, I'll need the
> 'mdio-parent-bus' to not break your use case.
>
> Hope that clarifies things.

Okay, I missed the fact that you have sent the revert of the phy-handle 
patch. Now I see it in the linux-next, so everything is fine.

Best regards

-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland