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Acknowledge OHCI interrupts.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@25539 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Michael Lotz
2008-05-18 09:36:06 +00:00
parent 20bbb1bf28
commit 812dd254dc
1 changed files with 8 additions and 4 deletions
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src/add-ons/kernel/busses/usb/ohci.cpp
+8 -4
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@@ -650,6 +650,7 @@ OHCI::_Interrupt()
acquire_spinlock(&lock); acquire_spinlock(&lock);
uint32 status = 0; uint32 status = 0;
uint32 acknowledge = 0;
bool finishTransfers = false; bool finishTransfers = false;
int32 result = B_HANDLED_INTERRUPT; int32 result = B_HANDLED_INTERRUPT;
@@ -679,20 +680,20 @@ OHCI::_Interrupt()
} }
if (status & OHCI_SCHEDULING_OVERRUN) { if (status & OHCI_SCHEDULING_OVERRUN) {
// TODO
TRACE(("usb_ohci: scheduling overrun occured\n")); TRACE(("usb_ohci: scheduling overrun occured\n"));
acknowledge |= OHCI_SCHEDULING_OVERRUN;
} }
if (status & OHCI_WRITEBACK_DONE_HEAD) { if (status & OHCI_WRITEBACK_DONE_HEAD) {
TRACE(("usb_ohci: transfer descriptor processed\n")); TRACE(("usb_ohci: transfer descriptor processed\n"));
// Ack it in the finisher thread, not here. // Acknowledge it in the finisher thread, not here.
result = B_INVOKE_SCHEDULER; result = B_INVOKE_SCHEDULER;
finishTransfers = true; finishTransfers = true;
} }
if (status & OHCI_RESUME_DETECTED) { if (status & OHCI_RESUME_DETECTED) {
// TODO
TRACE(("usb_ohci: resume detected\n")); TRACE(("usb_ohci: resume detected\n"));
acknowledge |= OHCI_RESUME_DETECTED;
} }
if (status & OHCI_UNRECOVERABLE_ERROR) { if (status & OHCI_UNRECOVERABLE_ERROR) {
@@ -703,10 +704,13 @@ OHCI::_Interrupt()
} }
if (status & OHCI_ROOT_HUB_STATUS_CHANGE) { if (status & OHCI_ROOT_HUB_STATUS_CHANGE) {
// TODO
TRACE(("usb_ohci: root hub status change\n")); TRACE(("usb_ohci: root hub status change\n"));
acknowledge |= OHCI_ROOT_HUB_STATUS_CHANGE;
} }
if (acknowledge != 0)
_WriteReg(OHCI_INTERRUPT_STATUS, acknowledge);
release_spinlock(&lock); release_spinlock(&lock);
if (finishTransfers) if (finishTransfers)