Hi Tomasz, > +#ifndef CONFIG_CLKSRC_SAMSUNG_PWM > +/* > + * PWM block is shared between pwm-samsung and samsung_pwm_timer drivers > + * and some registers need access synchronization. If both drivers are > + * compiled in, the spinlock is defined in the clocksource driver, > + * otherwise following definition is used. > + * > + * Currently we do not need any more complex synchronization method > + * because all the supported SoCs contain only one instance of the PWM > + * IP. Should this change, both drivers will need to be modified to > + * properly synchronize accesses to particular instances. > + */ > +static DEFINE_SPINLOCK(samsung_pwm_lock); Shouldn't this not be static? It's declared in clocksource/samsung_pwm.h whether or not the samsung_pwm_timer is compiled in or not. Thanks, Andrew -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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