Subject: Re: structural bus_space_handles
To: None <>
From: Christos Zoulas <>
List: tech-kern
Date: 06/04/2006 17:10:13
In article <>,
Garrett D'Amore  <> wrote:
>SPARC64 uses a struct instead of an address or pointer for a
>bus_space_handle_t.  This creates an ugly situation in some code (ath in
>particular), forcing us to have #ifdef __sparc64__ in this code to
>handle this case.  (The Atheros HAL layer wants a single pointer for a
>It would be cleaner to have a macro in bus.h, ala
>__BUS_SPACE_HANDLE_IS_STRUCT, so that I could test for that flag instead
>of having a test for a specific port.  What do folks think?

Maybe a bus_space_get_handle() macro?