staging: vt6655: change tx wake queue
Wake queue in the dwIsr loop of device_intr instead of device_tx_srv.
This fixes an issue when ISR_TXDMA0 or ISR_AC0DMA does not occur
device_tx_srv is not called and the queue gets stuck in stopped
condition.
On test if the queue is stuck another MACvTransmitAC0 or MACvTransmit0
in vnt_tx_packet will clear it.
Check on vif that both buffers are available and the queue is stopped.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index 00eb89a..5fc6022 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -1014,10 +1014,6 @@
}
device_free_tx_buf(pDevice, pTD);
pDevice->iTDUsed[uIdx]--;
-
- /* Make sure queue is available */
- if (AVAIL_TD(pDevice, uIdx))
- ieee80211_wake_queues(pDevice->hw);
}
}
@@ -1190,6 +1186,14 @@
}
}
+ /* If both buffers available wake the queue */
+ if (pDevice->vif) {
+ if (AVAIL_TD(pDevice, TYPE_TXDMA0) &&
+ AVAIL_TD(pDevice, TYPE_AC0DMA) &&
+ ieee80211_queue_stopped(pDevice->hw, 0))
+ ieee80211_wake_queues(pDevice->hw);
+ }
+
MACvReadISR(pDevice->PortOffset, &pDevice->dwIsr);
MACvReceive0(pDevice->PortOffset);