#1659: Periodic Calibration must disable DMA engine during calibration
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Reporter: mtaylor | Owner: mtaylor
Type: defect | Status: new
Priority: major | Milestone:
Component: madwifi: driver | Version: trunk
Resolution: | Keywords:
Patch_attached: 0 |
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Comment (by mtaylor):
We can either
A) try to use HAL functions to pause transmission (even if stuff is in the
hardware queue)
B) arrange it so that we run these steps when the transmit queue is empty
and block acceptance of outbound packets from the kernel until calibration
returns.
I *believe* concurrent receive in hardware and DMA engine operation is
fine during calibration, and there's every reason to leave rx enabled as
often as possible. Karol thinks the antenna is connected to receive
circuitry during calibration, but either way, we should take anything we
get.
- M
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Ticket URL: <http://madwifi.org/ticket/1659#comment:2>
madwifi.org <http://madwifi.org/>
Multiband Atheros Driver for Wireless Fidelity
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