netdev - Re: [PATCH] net: dsa/slave: Fix compilation warnings

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Date:	Tue, 30 Oct 2012 10:26:52 +0100
From:	Daniel Lezcano <daniel.lezcano@...aro.org>
To:	Viresh Kumar <viresh.kumar@...aro.org>
CC:	Ben Hutchings <bhutchings@...arflare.com>, netdev@...r.kernel.org,
	linaro-dev@...ts.linaro.org, davem@...emloft.net,
	linux-kernel@...r.kernel.org, patches@...aro.org
Subject: Re: [PATCH] net: dsa/slave: Fix compilation warnings

On 10/30/2012 10:03 AM, Viresh Kumar wrote:
> On 30 October 2012 14:30, Daniel Lezcano <daniel.lezcano@...aro.org> wrote:
>> It is very curious if we disable all the configs option, a slave
>> creation raise a BUG (cf. dsa_slave_create). IIUC, booting with NET_DSA
>> enabled and none of the NET_DSA_TAG* enabled will raise a BUG in the
>> probe function, right ?
>>
>> Maybe we should force at least one config when none are set ?
> 
> I thought of it earlier. But found the one which i posted better. As we will not
> compile DSA stuff now without these tags.

Well, it is the same here, no ? Except, it is up to the user to disable
the option.


> 
> --
> viresh
> 
>> diff --git a/net/dsa/Kconfig b/net/dsa/Kconfig
>> index 274791c..86326e3 100644
>> --- a/net/dsa/Kconfig
>> +++ b/net/dsa/Kconfig
>> @@ -1,8 +1,9 @@
>> -config NET_DSA
>> +menuconfig NET_DSA
>>         tristate "Distributed Switch Architecture support"
>>         default n
>>         depends on EXPERIMENTAL && NETDEVICES && !S390
>>         select PHYLIB
>> +       select NET_DSA_TAG_DSA if (!NET_DSA_TAG_EDSA &&
>> !NET_DSA_TAG_TRAILER)
>>         ---help---
>>           This allows you to use hardware switch chips that use
>>           the Distributed Switch Architecture.
>> @@ -12,15 +13,15 @@ if NET_DSA
>>
>>  # tagging formats
>>  config NET_DSA_TAG_DSA
>> -       bool
>> +       bool "tag dsa"
>>         default n
>>
>>  config NET_DSA_TAG_EDSA
>> -       bool
>> +       bool "tag edsa"
>>         default n
>>
>>  config NET_DSA_TAG_TRAILER
>> -       bool
>> +       bool "tag trailer"
>>         default n
>>
>>  endif
>>
>>
>> --
>>  <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs
>>
>> Follow Linaro:  <http://www.facebook.com/pages/Linaro> Facebook |
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>> <http://www.linaro.org/linaro-blog/> Blog
>>


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