[PATCH] qe_ic: Do a sync when masking interrupts.

[Li Yang-r58472]

> -----Original Message-----
> From: Scott Wood [mailto:scottwood at freescale.com]
> Sent: Tuesday, October 24, 2006 2:27 AM
> To: Segher Boessenkool
> Cc: mrz5149 at acm.org; Li Yang-r58472; Paul Mackerras;
linuxppc-dev at ozlabs.org
> Subject: Re: [PATCH] qe_ic: Do a sync when masking interrupts.
> 
> Segher Boessenkool wrote:
> > If a sync after an MMIO write is enough, then (in almost all
> > cases) so is an eieio.
> 
> In this case, the spurious interrupts still happen with eieio, but not
> with sync.  

eieio on e300 core is just a no-op.

- Leo