#define BT_POWER_FORCE_ACTIVE_OFF 0
#define BT_POWER_FORCE_ACTIVE_ON 1
-__attribute__((format (printf, 2, 3)))
+__printf(2, 3)
int bt_printk(const char *level, const char *fmt, ...);
#define BT_INFO(fmt, arg...) bt_printk(KERN_INFO, pr_fmt(fmt), ##arg)