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

Chen-Yu Tsai wens at csie.org
Tue Jul 25 21:12:21 PDT 2017


On Wed, Jul 26, 2017 at 7:54 AM, Icenowy Zheng <icenowy at aosc.io> wrote:
>
>
> 于 2017年7月25日 GMT+08:00 下午10:31:27, Maxime Ripard <maxime.ripard at free-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 at aosc.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?

Yes please. And add the "Fixes:" tag.

ChenYu



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