On Fri, 05 Mar 2021 15:05:08 +0000,
Andy Shevchenko <[email protected]> wrote:
[...]
> > +#define TIMER_FIRING(x)
> > \
> > + (((x) & (ARCH_TIMER_CTRL_ENABLE | ARCH_TIMER_CTRL_IT_MASK |
> > \
> > + ARCH_TIMER_CTRL_IT_STAT)) ==
> > \
> > + (ARCH_TIMER_CTRL_ENABLE | ARCH_TIMER_CTRL_IT_STAT))
>
> It's a bit hard to read. Perhaps
>
> #define FOO_MASK (_ENABLE | _STAT)
> #define _FIRING ... (FOO_MASK | _MASK == FOO_MASK)
The expression above is a direct translation of the architecture
reference manual, and I'd rather not have that hidden behind a bunch
of obscure macros.
[...]
> > + irqc->hw_domain = irq_domain_create_linear(of_node_to_fwnode(node),
> > + irqc->nr_hw + AIC_NR_FIQ,
> > + &aic_irq_domain_ops,
> > irqc);
>
> If you are sure it will be always OF-only, why not to use
> irq_domain_add_linear()?
The OF-only API is deprecated, and there is no point in using it for
*new* code, specially when things like IPI allocation require the use
of the modern API. For arm64 root controllers, that's the way to go.
Thanks,
M.
--
Without deviation from the norm, progress is not possible.