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ixl(4)/ixlv(4): Remove a couple unnecessary register writes/flushes.

Browse source 
The one in ixl_xmit() has brought up to us as being unnecessary at least a
couple times.

Differential Revision:	https://reviews.freebsd.org/D5208
Tested by:	jeffrey.e.pieper@intel.com
Sponsored by:	Intel Corporation
This commit is contained in:
Eric Joyner 2016-02-24 01:11:51 +00:00
parent e84c2dea93
commit e4c893dd01
2 changed files with 0 additions and 2 deletions
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1
sys/dev/ixl/if_ixl.c
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@ -2912,7 +2912,6 @@ ixl_initialize_vsi(struct ixl_vsi *vsi)
device_printf(dev, "Fail in init_rx_ring %d\n", i);
break;
}
wr32(vsi->hw, I40E_QRX_TAIL(que->me), 0);
#ifdef DEV_NETMAP
/* preserve queue */
if (vsi->ifp->if_capenable & IFCAP_NETMAP) {

1
sys/dev/ixl/ixl_txrx.c
View file

@ -390,7 +390,6 @@ ixl_xmit(struct ixl_queue *que, struct mbuf **m_headp)
++txr->total_packets;
wr32(hw, txr->tail, i);
ixl_flush(hw);
/* Mark outstanding work */
if (que->busy == 0)
que->busy = 1;