On Sun, 27 Aug 2006, Thomas Koeller wrote:
> On Sunday 27 August 2006 14:12, Geert Uytterhoeven wrote:
> > On Sun, 27 Aug 2006 thomas@xxxxxxxxxxxxxxxxxx wrote:
> > > The excite platform exports hardware resources for device drivers to use.
> > > Any driver wanting to use these resources will look up them by their
> > > names. Since these resources are declared to have static linkage, but are
> > > not used in the source file defining them, the compiler used to emit an
> > > 'unused' warning, which this patch suppresses.
> >
> > How can a driver look them up, if they are not linked in in some structure?
>
> It uses the standard platform device/driver mechanism: the platform registers
> a platform device (to which the resources are attached) with the platform bus.
> The driver registers a platform driver with the platform bus. The bus matches
> drivers and devices and calls the probe routine of any matching driver, at
> which point the driver can look up the resources using platform_get_resource_byname().
I know that.
I mean, since they are static, no one uses them yet. So each possible driver
that will want to use them should add some code to this single source file?
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
