On Thursday 30 October 2014 11:43:00 Thomas Gleixner wrote:
> On Thu, 30 Oct 2014, Arnd Bergmann wrote:
>
> > On Wednesday 29 October 2014 19:17:55 Kevin Cernekee wrote:
> > > Defining these macros way down in arch/sh/.../irq.c doesn't cause
> > > kernel/irq/generic-chip.c to use them. As far as I can tell this code
> > > has no effect.
> > >
> > > Signed-off-by: Kevin Cernekee <cerne...@gmail.com>
> >
> > Actually it overrides the 32-bit accessors with 16-bit accessors,
> > which does seem intentional and certainly has an effect.
>
> Not really. Neither arch/sh/boards/mach-se/7343/irq.c nor
> arch/sh/boards/mach-se/7722/irq.c actually use
> irq_reg_readl/writel. They simply define it.
Ah, that makes things easier. I looked at the commits that introduced
them, and even then they were unused. Probably an artifact from an
earlier version of the patch which did not get merged.
Arnd
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