Iss6141 trial2 #6455
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Iss6141 trial2 #6455
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This may assist in debugging raspberrypi#6141 The symptom is that the Interrupt endpoint for the dongle sometimes has one outstanding TRB, but the lack of USB bus activity suggests that the xHC didn't correctly register the TRB as valid when the doorbell ring happened. Adding this dummy read seems to fix it. Signed-off-by: Jonathan Bell <[email protected]>
Idea is to capture debug output in this window
This feature does the opposite of what's advertised - it ceases polling of bulk/control endpoints that respond with NAKs after 16 tries in a frame, leading to a large gap in service until the next SOF. Signed-off-by: Jonathan Bell <[email protected]>
Signed-off-by: Jonathan Bell <[email protected]>
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#6141
Enabling the 1k page break also seems to prevent burst breaker misbehaviour for reasons unknown.