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Actually initialize the list of first and last isochronous transfers.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21517 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Michael Lotz 2007-06-27 21:47:23 +00:00
parent 2172794336
commit 8374316088
1 changed files with 7 additions and 5 deletions
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12
src/add-ons/kernel/busses/usb/uhci.cpp
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@ -396,17 +396,19 @@ UHCI::UHCI(pci_info *info, Stack *stack)
// Create the array that will keep bandwidth information // Create the array that will keep bandwidth information
fFrameBandwidth = new(std::nothrow) uint16[NUMBER_OF_FRAMES]; fFrameBandwidth = new(std::nothrow) uint16[NUMBER_OF_FRAMES];
// Create lists for managing isochronous transfer descriptors
fFirstIsochronousDescriptor = new(std::nothrow) uhci_td *[NUMBER_OF_FRAMES];
fLastIsochronousDescriptor = new(std::nothrow) uhci_td *[NUMBER_OF_FRAMES];
for (int32 i = 0; i < NUMBER_OF_FRAMES; i++) { for (int32 i = 0; i < NUMBER_OF_FRAMES; i++) {
fFrameList[i] = fQueues[UHCI_INTERRUPT_QUEUE]->PhysicalAddress() fFrameList[i] = fQueues[UHCI_INTERRUPT_QUEUE]->PhysicalAddress()
| FRAMELIST_NEXT_IS_QH; | FRAMELIST_NEXT_IS_QH;
fFrameBandwidth[i] = MAX_AVAILABLE_BANDWIDTH; fFrameBandwidth[i] = MAX_AVAILABLE_BANDWIDTH;
fFirstIsochronousDescriptor[i] = NULL;
fLastIsochronousDescriptor[i] = NULL;
} }
// create lists for managing isochronous transfer descriptors // Create semaphore the finisher thread will wait for
fFirstIsochronousDescriptor = new(std::nothrow) uhci_td *[NUMBER_OF_FRAMES];
fLastIsochronousDescriptor = new(std::nothrow) uhci_td *[NUMBER_OF_FRAMES];
// create semaphore the finisher thread will wait for
fFinishTransfersSem = create_sem(0, "UHCI Finish Transfers"); fFinishTransfersSem = create_sem(0, "UHCI Finish Transfers");
if (fFinishTransfersSem < B_OK) { if (fFinishTransfersSem < B_OK) {
TRACE_ERROR(("usb_uhci: failed to create semaphore\n")); TRACE_ERROR(("usb_uhci: failed to create semaphore\n"));