/* Disable Peripheral Clock in running mode. Disable the clock on particular peripheral.  */
void rcc_periph_clock_disable(enum rcc_periph_clken clken)
/* Disable Peripheral Clock in running mode. Disable the clock on particular peripheral.  */
void rcc_periph_clock_disable(enum rcc_periph_clken clken)
{
	_RCC_REG(clken) &= ~_RCC_BIT(clken);
}