Re: udelay

[Ralf Baechle <ralf@linux-mips.org>]

On Mon, Aug 04, 2003 at 10:29:20AM -0700, Pete Popov wrote:

> > > Looks like the latest udelay in 2.4 is borked. Anyway else notice that
> > > problem?  I did a 10 sec test: mdelay works, udelay is broken, at least
> > > for the CPU and toolchain I'm using.
> > 
> > That just doesn't make sense.  Mdelay is based on udelay so if udelay
> > is broken mdelay should be broken, too.
> 
> I think the problem may be occurring when udelay is used with very large
> values, like 10000. I've told the developer that that's not recommended
> and to use mdelays in that case.

Any bug report for udelay arguments larger than 1000 will probably be
ignored ...

  Ralf