On Tuesday, Jun 17, 2003, at 18:24 US/Central, David Mosberger wrote:
> #ifdef CONFIG_LEGACY_HW
> # define PIT_FREQ 1193182
> # define LATCH ((CLOCK_TICK_RATE + HZ/2) / HZ)
> #endif
>
> This way, machines that support legacy hardware can define
> CONFIG_LEGACY_HW and on others, the macro can be left undefined, so
> that any attempt to compile drivers requiring legacy hw would fail to
> compile upfront (much better than accessing random ports!).
Is "having legacy hardware" an all-or-nothing condition for you? If
not, a CONFIG_LEGACY_PIT might be more appropriate...
-- Hollis Blanchard IBM Linux Technology Center- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Mon Jun 23 2003 - 22:00:24 EST