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[USBUHCI]

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- Invert data toggle

svn path=/trunk/; revision=55843
This commit is contained in:
Johannes Anderwald 2012-02-24 17:58:55 +00:00
parent 419f51fd4c
commit d9f4f1b411
1 changed files with 10 additions and 0 deletions
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10
reactos/drivers/usb/usbuhci/usb_request.cpp
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@ -1247,6 +1247,7 @@ CUSBRequest::FreeEndpointDescriptor(
{
PUHCI_TRANSFER_DESCRIPTOR Descriptor, NextDescriptor;
ULONG ErrorCount;
UCHAR DataToggle = 0;
//
// grab first transfer descriptor
@ -1254,6 +1255,9 @@ CUSBRequest::FreeEndpointDescriptor(
Descriptor = (PUHCI_TRANSFER_DESCRIPTOR)OutDescriptor->NextElementDescriptor;
while(Descriptor)
{
// get data toggle
DataToggle = (Descriptor->Token >> TD_TOKEN_DATA_TOGGLE_SHIFT) & 0x01;
if (Descriptor->Status & TD_ERROR_MASK)
{
//
@ -1344,6 +1348,12 @@ CUSBRequest::FreeEndpointDescriptor(
//
m_DmaManager->Release(OutDescriptor, sizeof(UHCI_QUEUE_HEAD));
// is there an endpoint descriptor
if (m_EndpointDescriptor)
{
// invert last data toggle
m_EndpointDescriptor->DataToggle = (DataToggle == 0);
}
}
VOID