[PATCH v5 00/14] ARM: samsung-time: Prepare for multiplatform support

Heiko Stübner heiko at sntech.de
Fri Apr 12 18:39:24 EDT 2013


Am Samstag, 13. April 2013, 00:26:43 schrieb Arnd Bergmann:
> On Saturday 13 April 2013 00:22:48 Heiko Stübner wrote:
> > Without dt support, you get this:
> >   CC      drivers/clocksource/samsung_pwm.o
> > 
> > drivers/clocksource/samsung_pwm.c:620: warning:
> > ‘samsung_pwm_clocksource_init_of’ defined but not used
> > 
> > So, something like the following might be necessary
> 
> That patch should not be required any more with the definition
> 
> #ifdef CONFIG_CLKSRC_OF
> extern void clocksource_of_init(void);
> 
> #define CLOCKSOURCE_OF_DECLARE(name, compat, fn)                        \
>         static const struct of_device_id __clksrc_of_table_##name       \
>                 __used __section(__clksrc_of_table)                     \
>                  = { .compatible = compat,                              \
>                      .data = (fn == (clocksource_of_init_fn)NULL) ? fn : fn
> } #else
> static inline void clocksource_of_init(void) {}
> #define CLOCKSOURCE_OF_DECLARE(name, compat, fn)                        \
>         static const struct of_device_id __clksrc_of_table_##name       \
>                 __attribute__((unused))                                 \
>                  = { .compatible = compat,                              \
>                      .data = (fn == (clocksource_of_init_fn)NULL) ? fn : fn
> } #endif
> 
> which turns the ‘samsung_pwm_clocksource_init_of’ function into an unused
> symbol that gets silently dropped by gcc, at least in theory. Are you
> using the latest clksrc/cleanup branch as a base?

Nope, I just put the stuff on top of all the other changes. So it seems 
everything is fine and working ... very nice :-)


Heiko



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