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amd-xgbe: Use system workqueue for device restart

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A previous patch switched from using the system workqueue to the device
workqueue for various operations. During a device restart the device
workqueue is flushed so the restart cannot use this workqueue or else
a deadlock results.  Move the device restart back to using the system
workqueue.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Lendacky, Thomas 2015-10-14 12:37:32 -05:00 committed by David S. Miller
parent 74661bee1f
commit 96aec91148
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/amd/xgbe/xgbe-drv.c
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@ -365,7 +365,7 @@ static irqreturn_t xgbe_isr(int irq, void *data)
/* Restart the device on a Fatal Bus Error */
if (XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, FBE))
queue_work(pdata->dev_workqueue, &pdata->restart_work);
schedule_work(&pdata->restart_work);
/* Clear all interrupt signals */
XGMAC_DMA_IOWRITE(channel, DMA_CH_SR, dma_ch_isr);
@ -1537,7 +1537,7 @@ static void xgbe_tx_timeout(struct net_device *netdev)
struct xgbe_prv_data *pdata = netdev_priv(netdev);
netdev_warn(netdev, "tx timeout, device restarting\n");
queue_work(pdata->dev_workqueue, &pdata->restart_work);
schedule_work(&pdata->restart_work);
}
static struct rtnl_link_stats64 *xgbe_get_stats64(struct net_device *netdev,