STM32_MUTEX_LOCK_BIT 33 drivers/hwspinlock/stm32_hwspinlock.c writel(STM32_MUTEX_LOCK_BIT | STM32_MUTEX_COREID, lock_addr); STM32_MUTEX_LOCK_BIT 36 drivers/hwspinlock/stm32_hwspinlock.c return status == (STM32_MUTEX_LOCK_BIT | STM32_MUTEX_COREID);