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net/macb: Factor out one-time assignment from loop

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In 02c958dd3 (net/macb: add TX multiqueue support for gem), the
initialization of tx_head and tx_tail in macb_init_rings() was moved
inside the loop that iterates over each element in the ring.  Since
tx_head and tx_tail only need to be assigned once, move them back out of
the loop.

Signed-off-by: Ben Shelton <ben.shelton@ni.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Shelton 2015-04-22 17:28:54 -05:00 committed by David S. Miller
parent 79930f5892
commit 21d3515ce7
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/cadence/macb.c
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@ -1473,9 +1473,9 @@ static void macb_init_rings(struct macb *bp)
for (i = 0; i < TX_RING_SIZE; i++) {
bp->queues[0].tx_ring[i].addr = 0;
bp->queues[0].tx_ring[i].ctrl = MACB_BIT(TX_USED);
bp->queues[0].tx_head = 0;
bp->queues[0].tx_tail = 0;
}
bp->queues[0].tx_head = 0;
bp->queues[0].tx_tail = 0;
bp->queues[0].tx_ring[TX_RING_SIZE - 1].ctrl |= MACB_BIT(TX_WRAP);
bp->rx_tail = 0;