STM32F107 external crystal oscillator 25MHz configured to run at 72MHz

/*******************************************************************************
* Function name: RCC_Configuration
* Function: 25MHZ Set the clock of each part of the system 
* Parameter variable: NONE
* Global variable: NONE
* Calling function:
* Author:  
* Writing time:

* 修改时间: 
* 版    本: V1.0 
* 状    态:调试完成
*******************************************************************************/
void RCC_Configuration(void)
{
RCC_DeInit();
RCC_HSEConfig(RCC_HSE_ON);// Enable HSE 
HSEStartUpStatus = RCC_WaitForHSEStartUp();//Wait till HSE is ready 
if(HSEStartUpStatus==SUCCESS)
{
    FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);//Enable Prefetch Buffer    
    FLASH_SetLatency(FLASH_Latency_2); // Flash 2 wait state 
    RCC_HCLKConfig(RCC_SYSCLK_Div1);//HCLK = SYSCLK 
    RCC_PCLK2Config(RCC_HCLK_Div1);//PCLK2 = HCLK  
    RCC_PCLK1Config(RCC_HCLK_Div2);//PCLK1 = HCLK/2
    RCC_ADCCLKConfig(RCC_PCLK2_Div4);//ADCCLK = PCLK2/4  
#ifndef STM32F10X_CL 
    RCC_PLLConfig(RCC_PLLSource_HSE_Div1,RCC_PLLMul_9);//PLLCLK = 8MHz * 9 = 72 MHz
#else
    // Configure PLLs *********************************************************
    //PLL2 configuration: PLL2CLK = (HSE / 5) * 8 = 40 MHz 
    RCC_PREDIV2Config(RCC_PREDIV2_Div5);
    RCC_PLL2Config(RCC_PLL2Mul_8);    
    RCC_PLL2Cmd(ENABLE);
    while(RCC_GetFlagStatus(RCC_FLAG_PLL2RDY)== RESET)
    {}
    RCC_PREDIV1Config(RCC_PREDIV1_Source_PLL2,RCC_PREDIV1_Div5);
    RCC_PLLConfig(RCC_PLLSource_PREDIV1,RCC_PLLMul_9);//PLLCLK = 8MHz * 9 = 72 MHz
    RCC_PLL3Config(RCC_PLL3Mul_11);
    RCC_PLL3Cmd(ENABLE);   
    while(RCC_GetFlagStatus(RCC_FLAG_PLL3RDY)== RESET)
    {}
    RCC_I2S3CLKConfig(RCC_I2S3CLKSource_PLL3_VCO);
    RCC_I2S2CLKConfig(RCC_I2S2CLKSource_PLL3_VCO); 
#endif
   RCC_PLLCmd(ENABLE);// Enable PLL 
    while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET)// Wait till PLL is ready 
    {
    }
    RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);// Select PLL as system clock source 
    while(RCC_GetSYSCLKSource() != 0x08)// Wait till PLL is used as system clock source 
    {
    }
 }
}