netdev - [PATCH 02/10] vmxnet3: remove unnecessary bookkeeping

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Date:	Tue, 15 Jan 2013 09:28:27 -0800
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	David Miller <davem@...emloft.net>,
	Shreyas Bhatewara <sbhatewara@...are.com>
Cc:	pv-drivers@...are.com, netdev@...r.kernel.org,
	Stephen Hemminger <stephen@...workplumber.org>
Subject: [PATCH 02/10] vmxnet3: remove unnecessary bookkeeping

The uncommitted[] array was set but never used except in a debug
message. Remove it.

Signed-off-by: Stephen Hemminger <stephen@...workplumber.org>
---
 drivers/net/vmxnet3/vmxnet3_drv.c |    9 ++-------
 drivers/net/vmxnet3/vmxnet3_int.h |    2 --
 2 files changed, 2 insertions(+), 9 deletions(-)

diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index 3402a0c..99ef9ed 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -628,12 +628,10 @@ vmxnet3_rq_alloc_rx_buf(struct vmxnet3_rx_queue *rq, u32 ring_idx,
 		num_allocated++;
 		vmxnet3_cmd_ring_adv_next2fill(ring);
 	}
-	rq->uncommitted[ring_idx] += num_allocated;
 
 	dev_dbg(&adapter->netdev->dev,
-		"alloc_rx_buf: %d allocated, next2fill %u, next2comp "
-		"%u, uncommitted %u\n", num_allocated, ring->next2fill,
-		ring->next2comp, rq->uncommitted[ring_idx]);
+		"alloc_rx_buf: %d allocated, next2fill %u, next2comp %u\n",
+		num_allocated, ring->next2fill, ring->next2comp);
 
 	/* so that the device can distinguish a full ring and an empty ring */
 	BUG_ON(num_allocated != 0 && ring->next2fill == ring->next2comp);
@@ -1331,7 +1329,6 @@ rcd_done:
 			VMXNET3_WRITE_BAR0_REG(adapter,
 					       rxprod_reg[ring_idx] + rq->qid * 8,
 					       ring->next2fill);
-			rq->uncommitted[ring_idx] = 0;
 		}
 
 		vmxnet3_comp_ring_adv_next2proc(&rq->comp_ring);
@@ -1376,7 +1373,6 @@ vmxnet3_rq_cleanup(struct vmxnet3_rx_queue *rq,
 		rq->rx_ring[ring_idx].gen = VMXNET3_INIT_GEN;
 		rq->rx_ring[ring_idx].next2fill =
 					rq->rx_ring[ring_idx].next2comp = 0;
-		rq->uncommitted[ring_idx] = 0;
 	}
 
 	rq->comp_ring.gen = VMXNET3_INIT_GEN;
@@ -1457,7 +1453,6 @@ vmxnet3_rq_init(struct vmxnet3_rx_queue *rq,
 	/* reset internal state and allocate buffers for both rings */
 	for (i = 0; i < 2; i++) {
 		rq->rx_ring[i].next2fill = rq->rx_ring[i].next2comp = 0;
-		rq->uncommitted[i] = 0;
 
 		memset(rq->rx_ring[i].base, 0, rq->rx_ring[i].size *
 		       sizeof(struct Vmxnet3_RxDesc));
diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h
index fc46a81..55465ed 100644
--- a/drivers/net/vmxnet3/vmxnet3_int.h
+++ b/drivers/net/vmxnet3/vmxnet3_int.h
@@ -276,8 +276,6 @@ struct vmxnet3_rx_queue {
 	struct vmxnet3_rx_ctx     rx_ctx;
 	u32 qid;            /* rqID in RCD for buffer from 1st ring */
 	u32 qid2;           /* rqID in RCD for buffer from 2nd ring */
-	u32 uncommitted[2]; /* # of buffers allocated since last RXPROD
-				* update */
 	struct vmxnet3_rx_buf_info     *buf_info[2];
 	struct Vmxnet3_RxQueueCtrl            *shared;
 	struct vmxnet3_rq_driver_stats  stats;
-- 
1.7.10.4

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