linux-kernel - Re: [PATCH 0/3] Add ethernet0 alias for several A64 boards

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Message-ID: <00809C21-F663-4A54-8A9C-31A39739F539@aosc.io>
Date:   Wed, 26 Jul 2017 07:54:31 +0800
From:   Icenowy Zheng <icenowy@...c.io>
To:     linux-arm-kernel@...ts.infradead.org,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Adam Borowski <kilobyte@...band.pl>
CC:     devicetree@...r.kernel.org, linux-sunxi@...glegroups.com,
        linux-kernel@...r.kernel.org, Chen-Yu Tsai <wens@...e.org>
Subject: Re: [PATCH 0/3] Add ethernet0 alias for several A64 boards



于 2017年7月25日 GMT+08:00 下午10:31:27, Maxime Ripard <maxime.ripard@...e-electrons.com> 写到:
>On Tue, Jul 25, 2017 at 05:18:19AM +0200, Adam Borowski wrote:
>> On Tue, Jul 25, 2017 at 11:04:24AM +0800, icenowy@...c.io wrote:
>> > 在 2017-07-24 15:58，Maxime Ripard 写道：
>> > > On Sat, Jul 22, 2017 at 10:28:49AM +0800, Icenowy Zheng wrote:
>> > > > Allwinner A64 SoC has an EMAC which is used to provide Ethernet
>> > > > function on several boards.
>> > > > 
>> > > > The EMAC itself doesn't have a fixed MAC address, but the sunxi
>> > > > mainline U-Boot have the ability to generate one based on the
>eFUSE
>> > > > SID in the chip, and add the generated MAC address to the
>device
>> > > > tree when booting.
>> > > > 
>> > > > The MAC address setting step is based on the device tree's
>aliases,
>> > > > and device tree nodes prefixed "ethernet" will get the MAC
>address
>> > > > added. However, in several A64 boards' device tree, the alias
>is not
>> > > > set up, so that the U-Boot won't set the MAC address.
>> > > > 
>> > > > Add the ethernet0 aliases to these boards.
>> > > > 
>> > > > I hope this patchset can be queued in 4.13, otherwise 4.13
>kernels
>> > > > won't get non-volatile MAC addresses, and will use random ones
>> > > > instead, which is annoying to many users.
>> > > > 
>> > > > Icenowy Zheng (3):
>> > > >   arm64: allwinner: a64: add ethernet0 alias for BPi M64 EMAC
>node
>> > > >   arm64: allwinner: a64: add ethernet0 alias for Pine64 EMAC
>node
>> > > >   arm64: allwinner: a64: add ethernet0 alias for SoPine EMAC
>node
>> > > 
>> > > Applied all three, thanks!
>> > 
>> > Sorry, but could you queue them to 4.13?
>> > 
>> > Otherwise 4.13 kernel release will have annoying random MAC
>problem,
>> > which heavily affects headless usages.
>> 
>> Perhaps it would be better to reword the commit subject as "fix
>missing
>> ethernet0 alias ..."?  That'd convey that the previous behaviour is a
>defect
>> that needs these patches as a fix.
>
>Yes, definitely.
>
>That and having a fixes: tag.

Should I resend them with different commit message?

>
>Maxime