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

From: Daniel Lezcano
Date: Tue Oct 30 2012 - 05:00:18 EST


On 10/30/2012 08:55 AM, Viresh Kumar wrote:
> On 30 October 2012 13:23, Daniel Lezcano <daniel.lezcano@xxxxxxxxxx> wrote:
>>> From: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
>
>>> config NET_DSA_TAG_DSA
>>> - bool
>>> + bool "Original DSA packet tagging format"
>>> + select NET_DSt
>>
>> typo NET_DSA
>
> Unbelievable mistake :(
>
> Will fix it after some reviews now :)

Yeah, has to be ! ;)

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 ?

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


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