Re: [PATCH -next] wireless: TI wlxxx depends on MAC80211

From: Luciano Coelho
Date: Tue Apr 17 2012 - 11:52:18 EST


On Tue, 2012-04-17 at 11:29 -0700, Randy Dunlap wrote:
> On 04/16/2012 10:30 PM, Luciano Coelho wrote:
>
> > Hi Randy,
> >
> > On Mon, 2012-04-16 at 12:51 -0700, Randy Dunlap wrote:
> >> From: Randy Dunlap <rdunlap@xxxxxxxxxxxx>
> >>
> >> wl12xx build fails with many undefined symbol errors when MAC80211
> >> and CFG80211 are not enabled, so make WLCORE and WL12XX depend
> >> on MAC80211 (which already depends on CFG80211).
> >>
> >> Here are a few of the many build errors:
> >>
> >
> > [...]
> >
> >> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxx>
> >> Cc: Luciano Coelho <coelho@xxxxxx>
> >> Cc: linux-wireless@xxxxxxxxxxxxxxx
> >> Cc: "John W. Linville" <linville@xxxxxxxxxxxxx>
> >> ---
> >
> > Thanks for the patch!
> >
> >
> >> --- linux-next-20120416.orig/drivers/net/wireless/ti/wl12xx/Kconfig
> >> +++ linux-next-20120416/drivers/net/wireless/ti/wl12xx/Kconfig
> >> @@ -1,5 +1,6 @@
> >> config WL12XX
> >> tristate "TI wl12xx support"
> >> + depends on MAC80211
> >> select WLCORE
> >
> > Do we really need this one? wl12xx selects WLCORE which in turn depends
> > on MAC80211 (with your change below). Maybe we don't need this?
>
> Hi,
>
> [testing...]
>
> The build fails if either one of these "depends" is omitted.

Yeah, thanks for testing. I guess it's because, as Johannes said,
select doesn't check the dependencies of the selected module.

Johannes, thanks for the explanation.


--
Cheers,
Luca.

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