/* RCC Disable Bypass. 
Re-enable the internal clock (high speed and low speed clocks only). The internal clock must be disabled (see  */
void rcc_osc_bypass_disable(enum rcc_osc osc)
/* RCC Disable Bypass. 
Re-enable the internal clock (high speed and low speed clocks only). The internal clock must be disabled (see  */
void rcc_osc_bypass_disable(enum rcc_osc osc)
{
	switch (osc) {
	case RCC_HSE:
		RCC_CR &= ~RCC_CR_HSEBYP;
		break;
	case RCC_LSE:
		RCC_BDCR &= ~RCC_BDCR_LSEBYP;
		break;
	case RCC_HSI48:
	case RCC_HSI14:
	case RCC_PLL:
	case RCC_HSI:
	case RCC_LSI:
		break;
	}
}