"Chris Swiedler" <[EMAIL PROTECTED]> writes:
|> > > 2.2.18pre15 defines udelay as (in file include/asm-i386/delay.h) :
|> > > extern void __bad_udelay(void);
|> > >
|> > > #define udelay(n) (__builtin_constant_p(n) ? \
|> > > ((n) > 20000 ? __bad_udelay() : __const_udelay((n) *
|> > > 0x10c6ul)) : \
|> > > __udelay(n))
|> > >
|> > > ...
|> > > It seems __bad_udelay is not defined anywhere in the kernel source.
|> >
|> > Correct. Its a compile time error trap
|>
|> Wouldn't it be better to use an #error directive?
There is no way to test the condition in the preprocessor.
Andreas.
--
Andreas Schwab "And now for something
SuSE Labs completely different."
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