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 <[email protected]>
>
> 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.
Thanks,
tglx
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