On Fri, 2010-04-09 at 14:23 -0500, Bill Gatliff wrote:
>
> My recent post, "Requesting a GPIO that hasn't been registered yet", and
> Anton's reply thereto (thanks, Anton!) on linuxppc-dev got me thinking
> about the problem of dependencies between devices in different classes,
> and/or between drivers/devices in general. I'd like to float an idea to
> see if it's worth pursuing.
I'd rather do things a bit more explicitely and less prone to break
existing stuff... something along the lines of, first defining a variant
of the initcalls to enable that "multithreaded" stuff, along with an
explicit wait_for_service("subsys:hid"); for example.
One could also expose service deps via the module info, thus delaying
module init, or things like that (in fact, initcalls could even come
with a list of dependencies).
Cheers,
Ben.
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