netdev - Re: [PATCH 3/3] net: dsa: mt7530: setup core clock even in TRGMII mode

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 10 Mar 2021 19:20:29 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Ilya Lipnitskiy <ilya.lipnitskiy@...il.com>,
        Vladimir Oltean <olteanv@...il.com>
Cc:     Sean Wang <sean.wang@...iatek.com>,
        Landen Chao <Landen.Chao@...iatek.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Russell King <linux@...linux.org.uk>, netdev@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/3] net: dsa: mt7530: setup core clock even in TRGMII
 mode



On 3/10/2021 7:17 PM, Ilya Lipnitskiy wrote:
> Hi Vladimir,
> 
> On Wed, Mar 10, 2021 at 3:10 PM Vladimir Oltean <olteanv@...il.com> wrote:
>>
>> Hello Ilya,
>>
>> On Wed, Mar 10, 2021 at 01:14:20PM -0800, Ilya Lipnitskiy wrote:
>>> 3f9ef7785a9c ("MIPS: ralink: manage low reset lines") made it so mt7530
>>> actually resets the switch on platforms such as mt7621 (where bit 2 is
>>> the reset line for the switch). That exposed an issue where the switch
>>> would not function properly in TRGMII mode after a reset.
>>>
>>> Reconfigure core clock in TRGMII mode to fix the issue.
>>>
>>> Also, disable both core and TRGMII Tx clocks prior to reconfiguring.
>>> Previously, only the core clock was disabled, but not TRGMII Tx clock.
>>>
>>> Tested on Ubiquity ER-X (MT7621) with TRGMII mode enabled.
>>>
>>> Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@...il.com>
>>> ---
>>
>> For the networking subsystem there are two git trees, "net" for bugfixes
>> and "net-next" for new features, and we specify the target tree using
>> git send-email --subject-prefix="PATCH net-next".
>>
>> I assume you would like the v5.12 kernel to actually be functional on
>> the Ubiquiti ER-X switch, so I would recommend keeping this patch
>> minimal and splitting it out from the current series, and targeting it
>> towards the "net" tree, which will eventually get merged into one of the
>> v5.12 rc's and then into the final version. The other patches won't go
>> into v5.12 but into v5.13, hence the "next" name.
> I thought I figured it out - now I'm confused. Can you explain why
> https://patchwork.kernel.org/project/netdevbpf/patch/20210311012108.7190-1-ilya.lipnitskiy@gmail.com/
> is marked as supeseded?

That looks like a mistake on the maintainer side, I do not believe that
patch should be Superseded since you just submitted it.
-- 
Florian