On Jan 31, 2008 3:21 PM, David Brownell <david-b@pacbell.net> wrote:
quoted text
> On Wednesday 30 January 2008, Kumar Gala wrote:
> > Was wondering if anyone was looking at the cause of this warning in
> > top of linus's tree (8af03e782cae1e0a0f530ddd22301cdd12cf9dc0)
> >
> > drivers/spi/Kconfig:156:warning: 'select' used by config symbol
> > 'SPI_PXA2XX' refers to undefined symbol 'PXA_SSP'
> >
> > I was doing a build of a ppc kernel.
>
> Happens on x86, AVR32, and non-PXA ARM too.  Came from some PXA cleanup
> patches.  Eric, didn't you have a patch for this?
>

Nope.

If moving the symbol PXA_SSP to the "depends on" list, this option will
remain invisible if a careless user does not select PXA_SSP.

Yet I'm not sure this is the way to go or mandatory by the kconfig rules.

quoted text
> (Of course I *still* don't understand why kconfig bothers to look
> at reverse dependencies whose "forward" ones can never be satisfied.
> If it stopped looking at those, lots of similar problems would vanish.)
>
> - Dave
>



-- 
Cheers
- eric
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