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MdeModulePkg PciBusDxe: Remove redundant functions 

The functions that are never called have been removed.
They are UpStreamBridgesAttributes and GetHpcPciAddressFromRootBridge.
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 13:47:20 +08:00 committed by Star Zeng
parent 442d4dde72
commit 66d3c76b8a
4 changed files with 0 additions and 159 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

80
MdeModulePkg/Bus/Pci/PciBusDxe/PciDeviceSupport.c
View File

@ -1061,85 +1061,5 @@ ActiveVGADeviceOnTheRootBridge (
} }
/**
Get HPC PCI address according to its device path.
@param RootBridge Root bridege Io instance.
@param RemainingDevicePath Given searching device path.
@param PciAddress Buffer holding searched result.
@retval EFI_SUCCESS PCI address was stored in PciAddress
@retval EFI_NOT_FOUND Can not find the specific device path.
**/
EFI_STATUS
GetHpcPciAddressFromRootBridge (
IN PCI_IO_DEVICE *RootBridge,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath,
OUT UINT64 *PciAddress
)
{
EFI_DEV_PATH_PTR Node;
PCI_IO_DEVICE *Temp;
EFI_DEVICE_PATH_PROTOCOL *CurrentDevicePath;
LIST_ENTRY *CurrentLink;
BOOLEAN MisMatch;
MisMatch = FALSE;
CurrentDevicePath = RemainingDevicePath;
Node.DevPath = CurrentDevicePath;
Temp = NULL;
while (!IsDevicePathEnd (CurrentDevicePath)) {
CurrentLink = RootBridge->ChildList.ForwardLink;
Node.DevPath = CurrentDevicePath;
while (CurrentLink != NULL && CurrentLink != &RootBridge->ChildList) {
Temp = PCI_IO_DEVICE_FROM_LINK (CurrentLink);
if (Node.Pci->Device == Temp->DeviceNumber &&
Node.Pci->Function == Temp->FunctionNumber) {
RootBridge = Temp;
break;
}
CurrentLink = CurrentLink->ForwardLink;
}
//
// Check if we find the bridge
//
if (CurrentLink == &RootBridge->ChildList) {
MisMatch = TRUE;
break;
}
CurrentDevicePath = NextDevicePathNode (CurrentDevicePath);
}
if (MisMatch) {
CurrentDevicePath = NextDevicePathNode (CurrentDevicePath);
if (IsDevicePathEnd (CurrentDevicePath)) {
*PciAddress = EFI_PCI_ADDRESS (RootBridge->BusNumber, Node.Pci->Device, Node.Pci->Function, 0);
return EFI_SUCCESS;
}
return EFI_NOT_FOUND;
}
if (Temp != NULL) {
*PciAddress = EFI_PCI_ADDRESS (Temp->BusNumber, Temp->DeviceNumber, Temp->FunctionNumber, 0);
} else {
return EFI_NOT_FOUND;
}
return EFI_SUCCESS;
}

17
MdeModulePkg/Bus/Pci/PciBusDxe/PciDeviceSupport.h
View File

@ -255,23 +255,6 @@ ActiveVGADeviceOnTheRootBridge (
IN PCI_IO_DEVICE *RootBridge IN PCI_IO_DEVICE *RootBridge
); );
/**
Get HPC PCI address according to its device path.
@param RootBridge Root bridege Io instance.
@param RemainingDevicePath Given searching device path.
@param PciAddress Buffer holding searched result.
@retval EFI_SUCCESS PCI address was stored in PciAddress.
@retval EFI_NOT_FOUND Can not find the specific device path.
**/
EFI_STATUS
GetHpcPciAddressFromRootBridge (
IN PCI_IO_DEVICE *RootBridge,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath,
OUT UINT64 *PciAddress
);
/** /**
Destroy a pci device node. Destroy a pci device node.

41
MdeModulePkg/Bus/Pci/PciBusDxe/PciIo.c
View File

@ -2061,47 +2061,6 @@ PciIoSetBarAttributes (
return EFI_SUCCESS; return EFI_SUCCESS;
} }
/**
Program parent bridge's attribute recurrently.
@param PciIoDevice Child Pci device instance
@param Operation The operation to perform on the attributes for this PCI controller.
@param Attributes The mask of attributes that are used for Set, Enable, and Disable
operations.
@retval EFI_SUCCESS The operation on the PCI controller's attributes was completed.
@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
@retval EFI_UNSUPPORTED one or more of the bits set in
Attributes are not supported by this PCI controller or one of
its parent bridges when Operation is Set, Enable or Disable.
**/
EFI_STATUS
UpStreamBridgesAttributes (
IN PCI_IO_DEVICE *PciIoDevice,
IN EFI_PCI_IO_PROTOCOL_ATTRIBUTE_OPERATION Operation,
IN UINT64 Attributes
)
{
PCI_IO_DEVICE *Parent;
EFI_PCI_IO_PROTOCOL *PciIo;
Parent = PciIoDevice->Parent;
while (Parent != NULL && IS_PCI_BRIDGE (&Parent->Pci)) {
//
// Get the PciIo Protocol
//
PciIo = &Parent->PciIo;
PciIo->Attributes (PciIo, Operation, Attributes, NULL);
Parent = Parent->Parent;
}
return EFI_SUCCESS;
}
/** /**
Test whether two Pci devices has same parent bridge. Test whether two Pci devices has same parent bridge.

21
MdeModulePkg/Bus/Pci/PciBusDxe/PciIo.h
View File

@ -646,27 +646,6 @@ PciIoSetBarAttributes (
IN OUT UINT64 *Length IN OUT UINT64 *Length
); );
/**
Program parent bridge's attribute recurrently.
@param PciIoDevice Child Pci device instance
@param Operation The operation to perform on the attributes for this PCI controller.
@param Attributes The mask of attributes that are used for Set, Enable, and Disable
operations.
@retval EFI_SUCCESS The operation on the PCI controller's attributes was completed.
@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
@retval EFI_UNSUPPORTED one or more of the bits set in
Attributes are not supported by this PCI controller or one of
its parent bridges when Operation is Set, Enable or Disable.
**/
EFI_STATUS
UpStreamBridgesAttributes (
IN PCI_IO_DEVICE *PciIoDevice,
IN EFI_PCI_IO_PROTOCOL_ATTRIBUTE_OPERATION Operation,
IN UINT64 Attributes
);
/** /**
Test whether two Pci devices has same parent bridge. Test whether two Pci devices has same parent bridge.