Re: [PATCH 09/26] MdeModulePkg XhciDxe: Remove redundant functions

["Ni, Ruiyu" <ruiyu.ni@intel.com>]

Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>

Thanks/Ray

> -----Original Message-----
> From: edk2-devel <edk2-devel-bounces@lists.01.org> On Behalf Of shenglei
> Sent: Wednesday, August 8, 2018 4:47 PM
> To: edk2-devel@lists.01.org
> Cc: Dong, Eric <eric.dong@intel.com>; Zeng, Star <star.zeng@intel.com>
> Subject: [edk2] [PATCH 09/26] MdeModulePkg XhciDxe: Remove redundant
> functions
> 
> The functions that are never called have been removed.
> They are XhcReadDoorBellReg and XhcWriteOpReg16.
> https://bugzilla.tianocore.org/show_bug.cgi?id=1062
> 
> Cc: Star Zeng <star.zeng@intel.com>
> Cc: Eric Dong <eric.dong@intel.com>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: shenglei <shenglei.zhang@intel.com>
> ---
>  MdeModulePkg/Bus/Pci/XhciDxe/XhciReg.c | 66 --------------------------
> MdeModulePkg/Bus/Pci/XhciDxe/XhciReg.h | 28 -----------
>  2 files changed, 94 deletions(-)
> 
> diff --git a/MdeModulePkg/Bus/Pci/XhciDxe/XhciReg.c
> b/MdeModulePkg/Bus/Pci/XhciDxe/XhciReg.c
> index 4d5937de53..5f0736a516 100644
> --- a/MdeModulePkg/Bus/Pci/XhciDxe/XhciReg.c
> +++ b/MdeModulePkg/Bus/Pci/XhciDxe/XhciReg.c
> @@ -158,75 +158,9 @@ XhcWriteOpReg (
>    }
>  }
> 
> -/**
> -  Write the data to the 2-bytes width XHCI operational register.
> 
> -  @param  Xhc          The XHCI Instance.
> -  @param  Offset       The offset of the 2-bytes width operational register.
> -  @param  Data         The data to write.
> 
> -**/
> -VOID
> -XhcWriteOpReg16 (
> -  IN USB_XHCI_INSTANCE    *Xhc,
> -  IN UINT32               Offset,
> -  IN UINT16               Data
> -  )
> -{
> -  EFI_STATUS              Status;
> -
> -  ASSERT (Xhc->CapLength != 0);
> -
> -  Status = Xhc->PciIo->Mem.Write (
> -                             Xhc->PciIo,
> -                             EfiPciIoWidthUint16,
> -                             XHC_BAR_INDEX,
> -                             Xhc->CapLength + Offset,
> -                             1,
> -                             &Data
> -                             );
> -
> -  if (EFI_ERROR (Status)) {
> -    DEBUG ((EFI_D_ERROR, "XhcWriteOpReg16: Pci Io Write error: %r
> at %d\n", Status, Offset));
> -  }
> -}
> -
> -/**
> -  Read XHCI door bell register.
> -
> -  @param  Xhc          The XHCI Instance.
> -  @param  Offset       The offset of the door bell register.
> 
> -  @return The register content read
> -
> -**/
> -UINT32
> -XhcReadDoorBellReg (
> -  IN  USB_XHCI_INSTANCE   *Xhc,
> -  IN  UINT32              Offset
> -  )
> -{
> -  UINT32                  Data;
> -  EFI_STATUS              Status;
> -
> -  ASSERT (Xhc->DBOff != 0);
> -
> -  Status = Xhc->PciIo->Mem.Read (
> -                             Xhc->PciIo,
> -                             EfiPciIoWidthUint32,
> -                             XHC_BAR_INDEX,
> -                             Xhc->DBOff + Offset,
> -                             1,
> -                             &Data
> -                             );
> -
> -  if (EFI_ERROR (Status)) {
> -    DEBUG ((EFI_D_ERROR, "XhcReadDoorBellReg: Pci Io Read error - %r
> at %d\n", Status, Offset));
> -    Data = 0xFFFFFFFF;
> -  }
> -
> -  return Data;
> -}
> 
>  /**
>    Write the data to the XHCI door bell register.
> diff --git a/MdeModulePkg/Bus/Pci/XhciDxe/XhciReg.h
> b/MdeModulePkg/Bus/Pci/XhciDxe/XhciReg.h
> index 838a44628c..20e7ac0e8f 100644
> --- a/MdeModulePkg/Bus/Pci/XhciDxe/XhciReg.h
> +++ b/MdeModulePkg/Bus/Pci/XhciDxe/XhciReg.h
> @@ -286,20 +286,6 @@ XhcWriteOpReg (
>    IN UINT32               Data
>    );
> 
> -/**
> -  Write the data to the 2-bytes width XHCI operational register.
> -
> -  @param  Xhc          The XHCI Instance.
> -  @param  Offset       The offset of the 2-bytes width operational register.
> -  @param  Data         The data to write.
> -
> -**/
> -VOID
> -XhcWriteOpReg16 (
> -  IN USB_XHCI_INSTANCE    *Xhc,
> -  IN UINT32               Offset,
> -  IN UINT16               Data
> -  );
> 
>  /**
>    Read XHCI runtime register.
> @@ -331,20 +317,6 @@ XhcWriteRuntimeReg (
>    IN UINT32               Data
>    );
> 
> -/**
> -  Read XHCI door bell register.
> -
> -  @param  Xhc          The XHCI Instance.
> -  @param  Offset       The offset of the door bell register.
> -
> -  @return The register content read
> -
> -**/
> -UINT32
> -XhcReadDoorBellReg (
> -  IN  USB_XHCI_INSTANCE   *Xhc,
> -  IN  UINT32              Offset
> -  );
> 
>  /**
>    Write the data to the XHCI door bell register.
> --
> 2.18.0.windows.1
> 
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