/**
Free entries match the device address and endpoint address
@Param Ohc UHC private date
@Param DeviceAddress Item to free must match this device address
@Param EndPointAddress Item to free must match this end point address
@Param DataToggle DataToggle for output
@retval EFI_SUCCESS Items match the requirement removed
**/
EFI_STATUS
OhciFreeInterruptContext(
IN USB_OHCI_HC_DEV *Ohc,
IN UINT8 DeviceAddress,
IN UINT8 EndPointAddress,
OUT UINT8 *DataToggle
)
{
INTERRUPT_CONTEXT_ENTRY *Entry;
INTERRUPT_CONTEXT_ENTRY *TempEntry;
EFI_TPL OriginalTPL;
OriginalTPL = gBS->RaiseTPL (TPL_NOTIFY);
while (Ohc->InterruptContextList != NULL &&
Ohc->InterruptContextList->DeviceAddress == DeviceAddress &&
Ohc->InterruptContextList->EndPointAddress == EndPointAddress) {
TempEntry = Ohc->InterruptContextList;
Ohc->InterruptContextList = Ohc->InterruptContextList->NextEntry;
if (DataToggle != NULL) {
*DataToggle = (UINT8) (TempEntry->DataTd->Word0.DataToggle & 0x1);
}
OhciFreeInterruptContextEntry (Ohc, TempEntry);
}
Entry = Ohc->InterruptContextList;
if (Entry == NULL) {
gBS->RestoreTPL (OriginalTPL);
return EFI_SUCCESS;
}
while (Entry->NextEntry != NULL) {
if (Entry->NextEntry->DeviceAddress == DeviceAddress &&
Entry->NextEntry->EndPointAddress == EndPointAddress) {
TempEntry = Entry->NextEntry;
Entry->NextEntry = Entry->NextEntry->NextEntry;
if (DataToggle != NULL) {
*DataToggle = (UINT8) (TempEntry->DataTd->Word0.DataToggle & 0x1);
}
OhciFreeInterruptContextEntry (Ohc, TempEntry);
} else {
Entry = Entry->NextEntry;
}
}
gBS->RestoreTPL (OriginalTPL);
return EFI_SUCCESS;
}
VOID
OhciFreeDynamicIntMemory(
IN USB_OHCI_HC_DEV *Ohc
)
{
INTERRUPT_CONTEXT_ENTRY *Entry;
if (Ohc != NULL) {
while (Ohc->InterruptContextList != NULL) {
Entry = Ohc->InterruptContextList;
Ohc->InterruptContextList = Ohc->InterruptContextList->NextEntry;
OhciFreeInterruptEdByEd (Ohc, Entry->Ed);
OhciFreeInterruptContextEntry (Ohc, Entry);
}
}
}
