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ArmVirtPkg/QemuFwCfgLib: remove superfluous InternalQemuFwCfgIsAvailable() 

InternalQemuFwCfgIsAvailable() is an API that is incorrectly exposed by
the "OvmfPkg/Include/Library/QemuFwCfgLib.h" library class header; the API
is meant to be used internally to library instances (if it's needed at
all). ArmVirtPkg's instance has no use for it actually, so simplify the
code and remove the function definition.

Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
This commit is contained in:
Laszlo Ersek 2016-11-30 10:07:06 +01:00
parent 209b8f3c27
commit 1cb33be961
1 changed files with 6 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
ArmVirtPkg/Library/QemuFwCfgLib/QemuFwCfgLib.c
View File

@ -74,25 +74,6 @@ typedef struct {
#define FW_CFG_DMA_CTL_SELECT BIT3
/**
Returns a boolean indicating if the firmware configuration interface is
available for library-internal purposes.
This function never changes fw_cfg state.
@retval TRUE The interface is available internally.
@retval FALSE The interface is not available internally.
**/
BOOLEAN
EFIAPI
InternalQemuFwCfgIsAvailable (
VOID
)
{
return (BOOLEAN)(mFwCfgSelectorAddress != 0 && mFwCfgDataAddress != 0);
}
/**
Returns a boolean indicating if the firmware configuration interface
is available or not.
@ -109,7 +90,7 @@ QemuFwCfgIsAvailable (
VOID
)
{
return InternalQemuFwCfgIsAvailable ();
return (BOOLEAN)(mFwCfgSelectorAddress != 0 && mFwCfgDataAddress != 0);
}
@ -187,7 +168,7 @@ QemuFwCfgInitialize (
FwCfgDmaAddress = 0;
}
if (InternalQemuFwCfgIsAvailable ()) {
if (QemuFwCfgIsAvailable ()) {
UINT32 Signature;
QemuFwCfgSelectItem (QemuFwCfgItemSignature);
@ -231,7 +212,7 @@ QemuFwCfgSelectItem (
IN FIRMWARE_CONFIG_ITEM QemuFwCfgItem
)
{
if (InternalQemuFwCfgIsAvailable ()) {
if (QemuFwCfgIsAvailable ()) {
MmioWrite16 (mFwCfgSelectorAddress, SwapBytes16 ((UINT16)QemuFwCfgItem));
}
}
@ -360,7 +341,7 @@ QemuFwCfgReadBytes (
IN VOID *Buffer
)
{
if (InternalQemuFwCfgIsAvailable ()) {
if (QemuFwCfgIsAvailable ()) {
InternalQemuFwCfgReadBytes (Size, Buffer);
} else {
ZeroMem (Buffer, Size);
@ -384,7 +365,7 @@ QemuFwCfgWriteBytes (
IN VOID *Buffer
)
{
if (InternalQemuFwCfgIsAvailable ()) {
if (QemuFwCfgIsAvailable ()) {
UINTN Idx;
for (Idx = 0; Idx < Size; ++Idx) {
@ -494,7 +475,7 @@ QemuFwCfgFindFile (
UINT32 Count;
UINT32 Idx;
if (!InternalQemuFwCfgIsAvailable ()) {
if (!QemuFwCfgIsAvailable ()) {
return RETURN_UNSUPPORTED;
}