[U-Boot] [PATCH v2] Kconfig: cmd: Make networking command dependent on NET

Michal Simek michal.simek at xilinx.com
Wed Mar 28 07:45:53 UTC 2018


On 28.3.2018 01:28, Joe Hershberger wrote:
> Hi Heinrich,
> 
> On Wed, Feb 28, 2018 at 5:05 PM, Heinrich Schuchardt
> <xypron.debian at gmx.de> wrote:
>> On 02/28/2018 02:09 AM, Tom Rini wrote:
>>>
>>> On Mon, Feb 26, 2018 at 04:01:02PM +0100, Michal Simek wrote:
>>>
>>>> Enable networking command only when NET is enabled.
>>>> And remove selecting NET for CMD_NET
>>>>
>>>> Signed-off-by: Michal Simek <michal.simek at xilinx.com>
>>>> ---
>>>>
>>>> Changes in v2:
>>>> - Check several boards by hand.
>>>>
>>>> There is a huge impact on defconfigs because of select NET.
>>>> But this change makes sense to do but it just needs to be syncup
>>>> properly. Do we have a tool for this kind of change?
>>>
>>>
>>> So, I've applied this patch, with a good bit of modification.  What I
>>> wasn't clear about before, sorry, was that we need to make NET default y
>>> in here too.  However, we also have some decent areas of the code that
>>> use "CONFIG_CMD_NET" when it really means "CONFIG_NET", at least
>>> conceptually.  But in order to make everything work as-is today, and
>>> leave these fixes to a later point in time (as they are fixes and should
>>> happen) we change some areas today that reference CONFIG_NET to
>>> reference CONFIG_CMD_NET.  Once net/ gets cleaned up, we can use
>>> CONFIG_NET without CONFIG_CMD_NET in more area.  It's also not quite
>>> 100% size-neutral as the topic_miami* boards were playing some games
>>> that can't quite be done as they were before, but I believe the end
>>> result is they can now more easily and thoroughly disable the networking
>>> stuff that intended to be removed.
>>>
>>>
>>
>> Hello Tom,
>>
>> in spite of you comments above I do not understand why you changed
>> cmd/bootefi.c to depend on CONFIG_CMD_NET instead of CONFIG_NET.
>>
>> This was not part of Michal's patch.
>>
>> I would prefer if changes would be sent to the list for review *before*
>> being applied.
>>
>> As the patch that you applied is not Michal's patch your authorship should
>> be documented in the git log.
>>
>> I cannot see any reason why network support should be disabled in bootefi if
>> there are no network commands available.
> 
> I think there is a fair amount of conflation since some of the basic
> functions like bootp and dhcp are only accessible through the
> commands, but you're right that it should be possible to use
> networking with a static IP and no network commands.

Can you please be more specific how you can use network without network
commands?

Thanks,
Michal




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