diff options
Diffstat (limited to 'MdeModulePkg/Bus/Pci/PciBusDxe/PciCommand.c')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/PciBusDxe/PciCommand.c | 67 |
1 files changed, 32 insertions, 35 deletions
diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciCommand.c b/MdeModulePkg/Bus/Pci/PciBusDxe/PciCommand.c index 6283d60220..ba4b099bc5 100644 --- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciCommand.c +++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciCommand.c @@ -22,19 +22,19 @@ SPDX-License-Identifier: BSD-2-Clause-Patent **/
EFI_STATUS
PciOperateRegister (
- IN PCI_IO_DEVICE *PciIoDevice,
- IN UINT16 Command,
- IN UINT8 Offset,
- IN UINT8 Operation,
- OUT UINT16 *PtrCommand
+ IN PCI_IO_DEVICE *PciIoDevice,
+ IN UINT16 Command,
+ IN UINT8 Offset,
+ IN UINT8 Operation,
+ OUT UINT16 *PtrCommand
)
{
- UINT16 OldCommand;
- EFI_STATUS Status;
- EFI_PCI_IO_PROTOCOL *PciIo;
+ UINT16 OldCommand;
+ EFI_STATUS Status;
+ EFI_PCI_IO_PROTOCOL *PciIo;
- OldCommand = 0;
- PciIo = &PciIoDevice->PciIo;
+ OldCommand = 0;
+ PciIo = &PciIoDevice->PciIo;
if (Operation != EFI_SET_REGISTER) {
Status = PciIo->Pci.Read (
@@ -52,9 +52,9 @@ PciOperateRegister ( }
if (Operation == EFI_ENABLE_REGISTER) {
- OldCommand = (UINT16) (OldCommand | Command);
+ OldCommand = (UINT16)(OldCommand | Command);
} else if (Operation == EFI_DISABLE_REGISTER) {
- OldCommand = (UINT16) (OldCommand & ~(Command));
+ OldCommand = (UINT16)(OldCommand & ~(Command));
} else {
OldCommand = Command;
}
@@ -124,10 +124,8 @@ LocateCapabilityRegBlock ( if (*Offset != 0) {
CapabilityPtr = *Offset;
} else {
-
CapabilityPtr = 0;
if (IS_CARDBUS_BRIDGE (&PciIoDevice->Pci)) {
-
PciIoDevice->PciIo.Pci.Read (
&PciIoDevice->PciIo,
EfiPciIoWidthUint8,
@@ -136,7 +134,6 @@ LocateCapabilityRegBlock ( &CapabilityPtr
);
} else {
-
PciIoDevice->PciIo.Pci.Read (
&PciIoDevice->PciIo,
EfiPciIoWidthUint8,
@@ -156,12 +153,12 @@ LocateCapabilityRegBlock ( &CapabilityEntry
);
- CapabilityID = (UINT8) CapabilityEntry;
+ CapabilityID = (UINT8)CapabilityEntry;
if (CapabilityID == CapId) {
*Offset = CapabilityPtr;
if (NextRegBlock != NULL) {
- *NextRegBlock = (UINT8) (CapabilityEntry >> 8);
+ *NextRegBlock = (UINT8)(CapabilityEntry >> 8);
}
return EFI_SUCCESS;
@@ -171,11 +168,11 @@ LocateCapabilityRegBlock ( // Certain PCI device may incorrectly have capability pointing to itself,
// break to avoid dead loop.
//
- if (CapabilityPtr == (UINT8) (CapabilityEntry >> 8)) {
+ if (CapabilityPtr == (UINT8)(CapabilityEntry >> 8)) {
break;
}
- CapabilityPtr = (UINT8) (CapabilityEntry >> 8);
+ CapabilityPtr = (UINT8)(CapabilityEntry >> 8);
}
return EFI_NOT_FOUND;
@@ -196,16 +193,16 @@ LocateCapabilityRegBlock ( **/
EFI_STATUS
LocatePciExpressCapabilityRegBlock (
- IN PCI_IO_DEVICE *PciIoDevice,
- IN UINT16 CapId,
- IN OUT UINT32 *Offset,
- OUT UINT32 *NextRegBlock OPTIONAL
+ IN PCI_IO_DEVICE *PciIoDevice,
+ IN UINT16 CapId,
+ IN OUT UINT32 *Offset,
+ OUT UINT32 *NextRegBlock OPTIONAL
)
{
- EFI_STATUS Status;
- UINT32 CapabilityPtr;
- UINT32 CapabilityEntry;
- UINT16 CapabilityID;
+ EFI_STATUS Status;
+ UINT32 CapabilityPtr;
+ UINT32 CapabilityEntry;
+ UINT16 CapabilityID;
//
// To check the capability of this device supports
@@ -225,13 +222,13 @@ LocatePciExpressCapabilityRegBlock ( // Mask it to DWORD alignment per PCI spec
//
CapabilityPtr &= 0xFFC;
- Status = PciIoDevice->PciIo.Pci.Read (
- &PciIoDevice->PciIo,
- EfiPciIoWidthUint32,
- CapabilityPtr,
- 1,
- &CapabilityEntry
- );
+ Status = PciIoDevice->PciIo.Pci.Read (
+ &PciIoDevice->PciIo,
+ EfiPciIoWidthUint32,
+ CapabilityPtr,
+ 1,
+ &CapabilityEntry
+ );
if (EFI_ERROR (Status)) {
break;
}
@@ -249,7 +246,7 @@ LocatePciExpressCapabilityRegBlock ( break;
}
- CapabilityID = (UINT16) CapabilityEntry;
+ CapabilityID = (UINT16)CapabilityEntry;
if (CapabilityID == CapId) {
*Offset = CapabilityPtr;
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