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authorWei Fang <wei.fang@nxp.com>2023-05-29 10:26:15 +0800
committerPaolo Abeni <pabeni@redhat.com>2023-05-30 16:01:22 +0200
commitbc638eabfed90fdc798fd5765e67e41abea76152 (patch)
treefeda6131b6c48bd99a3f613c089a6c1d56e44fa9 /drivers/net/ethernet/freescale/fec_main.c
parentbc590b47549225a03c6b36bbc1aede75c917767b (diff)
net: fec: remove last_bdp from fec_enet_txq_xmit_frame()
The last_bdp is initialized to bdp, and both last_bdp and bdp are not changed. That is to say that last_bdp and bdp are always equal. So bdp can be used directly. Signed-off-by: Wei Fang <wei.fang@nxp.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Link: https://lore.kernel.org/r/20230529022615.669589-1-wei.fang@nxp.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'drivers/net/ethernet/freescale/fec_main.c')
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 632bb4d589d7..4d37a811ae15 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -3770,7 +3770,7 @@ static int fec_enet_txq_xmit_frame(struct fec_enet_private *fep,
struct xdp_frame *frame)
{
unsigned int index, status, estatus;
- struct bufdesc *bdp, *last_bdp;
+ struct bufdesc *bdp;
dma_addr_t dma_addr;
int entries_free;
@@ -3782,7 +3782,6 @@ static int fec_enet_txq_xmit_frame(struct fec_enet_private *fep,
/* Fill in a Tx ring entry */
bdp = txq->bd.cur;
- last_bdp = bdp;
status = fec16_to_cpu(bdp->cbd_sc);
status &= ~BD_ENET_TX_STATS;
@@ -3810,7 +3809,6 @@ static int fec_enet_txq_xmit_frame(struct fec_enet_private *fep,
ebdp->cbd_esc = cpu_to_fec32(estatus);
}
- index = fec_enet_get_bd_index(last_bdp, &txq->bd);
txq->tx_skbuff[index] = NULL;
/* Make sure the updates to rest of the descriptor are performed before
@@ -3825,7 +3823,7 @@ static int fec_enet_txq_xmit_frame(struct fec_enet_private *fep,
bdp->cbd_sc = cpu_to_fec16(status);
/* If this was the last BD in the ring, start at the beginning again. */
- bdp = fec_enet_get_nextdesc(last_bdp, &txq->bd);
+ bdp = fec_enet_get_nextdesc(bdp, &txq->bd);
/* Make sure the update to bdp are performed before txq->bd.cur. */
dma_wmb();