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staging: vt6655: change tx wake queue

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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>
This commit is contained in:
Malcolm Priestley 2014-11-04 14:49:46 +00:00 committed by Greg Kroah-Hartman
parent 9b505647bf
commit 54fbb2da8d
1 changed files with 8 additions and 4 deletions
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12
drivers/staging/vt6655/device_main.c
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@ -1014,10 +1014,6 @@ static int device_tx_srv(struct vnt_private *pDevice, unsigned int uIdx)
} }
device_free_tx_buf(pDevice, pTD); device_free_tx_buf(pDevice, pTD);
pDevice->iTDUsed[uIdx]--; pDevice->iTDUsed[uIdx]--;
/* Make sure queue is available */
if (AVAIL_TD(pDevice, uIdx))
ieee80211_wake_queues(pDevice->hw);
} }
} }
@ -1190,6 +1186,14 @@ static irqreturn_t device_intr(int irq, void *dev_instance)
} }
} }
/* 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); MACvReadISR(pDevice->PortOffset, &pDevice->dwIsr);
MACvReceive0(pDevice->PortOffset); MACvReceive0(pDevice->PortOffset);