On 08/08/18 10:46, shenglei wrote:
> The functions that are never called have been removed.
> They are EhcDumpRegs,EhcDisableAsyncSchd and EhcDisablePeriodSchd
> https://bugzilla.tianocore.org/show_bug.cgi?id=1062
> 
> Cc: Star Zeng <[email protected]>
> Cc: Eric Dong <[email protected]>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: shenglei <[email protected]>
> ---
>  MdeModulePkg/Bus/Pci/EhciDxe/EhciDebug.c | 27 ---------------
>  MdeModulePkg/Bus/Pci/EhciDxe/EhciDebug.h | 11 ------
>  MdeModulePkg/Bus/Pci/EhciDxe/EhciReg.c   | 44 ------------------------
>  3 files changed, 82 deletions(-)

Reviewed-by: Laszlo Ersek <[email protected]>

Laszlo

> 
> diff --git a/MdeModulePkg/Bus/Pci/EhciDxe/EhciDebug.c 
> b/MdeModulePkg/Bus/Pci/EhciDxe/EhciDebug.c
> index 76368b4748..71755d421b 100644
> --- a/MdeModulePkg/Bus/Pci/EhciDxe/EhciDebug.c
> +++ b/MdeModulePkg/Bus/Pci/EhciDxe/EhciDebug.c
> @@ -228,31 +228,4 @@ EhcDumpBuf (
>    DEBUG ((EFI_D_VERBOSE, "\n"));
>  }
>  
> -/**
> -  Dump the EHCI status registers.
> -
> -  @param  Ehc    USB EHCI Host Controller instance
>  
> -**/
> -VOID
> -EhcDumpRegs (
> -  IN  USB2_HC_DEV         *Ehc
> -  )
> -{
> -  UINT8   Index;
> -
> -  DEBUG ((EFI_D_VERBOSE, "  EHC_CAPLENGTH_OFFSET   = 0x%08x\n", 
> EhcReadCapRegister (Ehc, EHC_CAPLENGTH_OFFSET)));
> -  DEBUG ((EFI_D_VERBOSE, "  EHC_HCSPARAMS_OFFSET   = 0x%08x\n", 
> EhcReadCapRegister (Ehc, EHC_HCSPARAMS_OFFSET)));
> -  DEBUG ((EFI_D_VERBOSE, "  EHC_HCCPARAMS_OFFSET   = 0x%08x\n", 
> EhcReadCapRegister (Ehc, EHC_HCCPARAMS_OFFSET)));
> -  DEBUG ((EFI_D_VERBOSE, "  EHC_USBCMD_OFFSET      = 0x%08x\n", EhcReadOpReg 
> (Ehc, EHC_USBCMD_OFFSET)));
> -  DEBUG ((EFI_D_VERBOSE, "  EHC_USBSTS_OFFSET      = 0x%08x\n", EhcReadOpReg 
> (Ehc, EHC_USBSTS_OFFSET)));
> -  DEBUG ((EFI_D_VERBOSE, "  EHC_USBINTR_OFFSET     = 0x%08x\n", EhcReadOpReg 
> (Ehc, EHC_USBINTR_OFFSET)));
> -  DEBUG ((EFI_D_VERBOSE, "  EHC_FRINDEX_OFFSET     = 0x%08x\n", EhcReadOpReg 
> (Ehc, EHC_FRINDEX_OFFSET)));
> -  DEBUG ((EFI_D_VERBOSE, "  EHC_CTRLDSSEG_OFFSET   = 0x%08x\n", EhcReadOpReg 
> (Ehc,  EHC_CTRLDSSEG_OFFSET)));
> -  DEBUG ((EFI_D_VERBOSE, "  EHC_FRAME_BASE_OFFSET  = 0x%08x\n", EhcReadOpReg 
> (Ehc,  EHC_FRAME_BASE_OFFSET)));
> -  DEBUG ((EFI_D_VERBOSE, "  EHC_ASYNC_HEAD_OFFSET  = 0x%08x\n", EhcReadOpReg 
> (Ehc, EHC_ASYNC_HEAD_OFFSET)));
> -  DEBUG ((EFI_D_VERBOSE, "  EHC_CONFIG_FLAG_OFFSET = 0x%08x\n", EhcReadOpReg 
> (Ehc, EHC_CONFIG_FLAG_OFFSET)));
> -  for (Index = 0; Index < (UINT8) (Ehc->HcStructParams & HCSP_NPORTS); 
> Index++) {
> -    DEBUG ((EFI_D_VERBOSE, "  EHC_PORT_STAT_OFFSET(%d)  = 0x%08x\n", Index, 
> EhcReadOpReg (Ehc, EHC_PORT_STAT_OFFSET + (4 * Index))));
> -  }
> -}
> diff --git a/MdeModulePkg/Bus/Pci/EhciDxe/EhciDebug.h 
> b/MdeModulePkg/Bus/Pci/EhciDxe/EhciDebug.h
> index bc84bb7864..a64b0551a0 100644
> --- a/MdeModulePkg/Bus/Pci/EhciDxe/EhciDebug.h
> +++ b/MdeModulePkg/Bus/Pci/EhciDxe/EhciDebug.h
> @@ -61,15 +61,4 @@ EhcDumpBuf (
>    );
>  
>  
> -/**
> -  Dump the EHCI status registers.
> -
> -  @param  Ehc    USB EHCI Host Controller instance
> -
> -**/
> -VOID
> -EhcDumpRegs (
> -  IN  USB2_HC_DEV         *Ehc
> -  );
> -
>  #endif
> diff --git a/MdeModulePkg/Bus/Pci/EhciDxe/EhciReg.c 
> b/MdeModulePkg/Bus/Pci/EhciDxe/EhciReg.c
> index 34836eccf5..59752d1bdc 100644
> --- a/MdeModulePkg/Bus/Pci/EhciDxe/EhciReg.c
> +++ b/MdeModulePkg/Bus/Pci/EhciDxe/EhciReg.c
> @@ -372,29 +372,7 @@ EhcEnablePeriodSchd (
>  }
>  
>  
> -/**
> -  Disable periodic schedule.
>  
> -  @param  Ehc               The EHCI device.
> -  @param  Timeout           Time to wait before abort (in millisecond, ms).
> -
> -  @retval EFI_SUCCESS       Periodic schedule is disabled.
> -  @retval EFI_DEVICE_ERROR  Fail to disable periodic schedule.
> -
> -**/
> -EFI_STATUS
> -EhcDisablePeriodSchd (
> -  IN USB2_HC_DEV          *Ehc,
> -  IN UINT32               Timeout
> -  )
> -{
> -  EFI_STATUS              Status;
> -
> -  EhcClearOpRegBit (Ehc, EHC_USBCMD_OFFSET, USBCMD_ENABLE_PERIOD);
> -
> -  Status = EhcWaitOpRegBit (Ehc, EHC_USBSTS_OFFSET, USBSTS_PERIOD_ENABLED, 
> FALSE, Timeout);
> -  return Status;
> -}
>  
>  
>  
> @@ -424,29 +402,7 @@ EhcEnableAsyncSchd (
>  
>  
>  
> -/**
> -  Disable asynchrounous schedule.
>  
> -  @param  Ehc          The EHCI device.
> -  @param  Timeout      Time to wait before abort (in millisecond, ms).
> -
> -  @retval EFI_SUCCESS  The asynchronous schedule is disabled.
> -  @return Others       Failed to disable the asynchronous schedule.
> -
> -**/
> -EFI_STATUS
> -EhcDisableAsyncSchd (
> -  IN USB2_HC_DEV          *Ehc,
> -  IN UINT32               Timeout
> -  )
> -{
> -  EFI_STATUS  Status;
> -
> -  EhcClearOpRegBit (Ehc, EHC_USBCMD_OFFSET, USBCMD_ENABLE_ASYNC);
> -
> -  Status = EhcWaitOpRegBit (Ehc, EHC_USBSTS_OFFSET, USBSTS_ASYNC_ENABLED, 
> FALSE, Timeout);
> -  return Status;
> -}
>  
>  
>  
> 

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