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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>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
This commit is contained in:
shenglei 2018-08-08 13:53:35 +08:00 committed by Star Zeng
parent a829f08684
commit 2ed6c872f3
2 changed files with 0 additions and 94 deletions
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66
MdeModulePkg/Bus/Pci/XhciDxe/XhciReg.c
View File

@ -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. Write the data to the XHCI door bell register.

28
MdeModulePkg/Bus/Pci/XhciDxe/XhciReg.h
View File

@ -286,20 +286,6 @@ XhcWriteOpReg (
IN UINT32 Data 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. Read XHCI runtime register.
@ -331,20 +317,6 @@ XhcWriteRuntimeReg (
IN UINT32 Data 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. Write the data to the XHCI door bell register.