[PATCH 2/3] iopoll: Add readb_poll_sleep_timeout

[Mark Kettenis]

> Date: Fri, 14 Jul 2023 23:22:00 +0200
> From: Marek Vasut <marex at denx.de>
> 
> On 7/14/23 22:43, Mark Kettenis wrote:
> > Add a variant of readl_poll_sleep_timeout that reads a single
> > byte to match the readb_poll_timeout API that Linux has.
> > 
> > Signed-off-by: Mark Kettenis <kettenis at openbsd.org>
> > ---
> >   include/linux/iopoll.h | 3 +++
> >   1 file changed, 3 insertions(+)
> > 
> > diff --git a/include/linux/iopoll.h b/include/linux/iopoll.h
> > index 0ee2bddaa8..89990e95e9 100644
> > --- a/include/linux/iopoll.h
> > +++ b/include/linux/iopoll.h
> > @@ -49,6 +49,9 @@
> >   #define readl_poll_sleep_timeout(addr, val, cond, sleep_us, timeout_us) \
> >   	readx_poll_sleep_timeout(readl, addr, val, cond, sleep_us, timeout_us)
> >   
> > +#define readb_poll_sleep_timeout(addr, val, cond, sleep_us, timeout_us) \
> > +	readx_poll_sleep_timeout(readb, addr, val, cond, sleep_us, timeout_us)
> 
> readb variant should go before readl variant I think.

That makes to order consistent, so that makes sense.  I'll fix that in
the next revision.