Re: [PATCH 1/5] mac80211: use kernel-provided bit rotation/byteordering

[Harvey Harrison <harvey.harrison@gmail.com>]

On Tue, 2008-03-11 at 17:11 +0100, Johannes Berg wrote:
> >  include/linux/bitops.h |   40 ++++++++++++++++++++++++++++++++++++++++
> 
> > +++ b/include/linux/bitops.h
> > @@ -65,6 +65,46 @@ static inline __u32 ror32(__u32 word, unsigned int shift)
> >  	return (word >> shift) | (word << (32 - shift));
> >  }
> >  
> > +/**
> > + * rol16 - rotate a 16-bit value left
> > + * @word: value to rotate
> > + * @shift: bits to roll
> > + */
> > +static inline __u16 rol16(__u16 word, unsigned int shift)
> 
> I don't think we can take that via wireless, and I think architectures
> should be able to override this if they can optimise it (though the
> compiler might be good enough...)

OK, I'll get the common parts through Andrew and once that's in I'll
resubmit the wireless parts.

Harvey