[Ltib] sleep , usleep and nanosleep for linux in PPC

[Jyotshna Cherukuri]

Hi All,
> >
> > I built a linux target for powerpc and when I copied the kernel
> > image and filesystem on to the taget board and when I tried to
> > install a module it gives me
> >
> > insmod: unresolved symbol usleep
> > insmod: unresolved symbol outw
> >
> > Can anyone please let me know to which header file I need to include
> > for using usleep function in my code.
> >
> > I had already included unistd.h .
> >
> > Thanks in advance
> > Regards
> > Jyotshna Cherukuri