diff options
| author | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2021-04-19 00:19:41 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-04-20 00:58:14 +0200 |
| commit | e42f10533d7c8a512399571804c59b0dc862eefe (patch) | |
| tree | bfff002f83bb66f8b2a8ac432ab491127d3630d3 /drivers/net/ethernet/korina.c | |
| parent | net: korina: Use devres functions (diff) | |
| download | linux-e42f10533d7c8a512399571804c59b0dc862eefe.tar.xz linux-e42f10533d7c8a512399571804c59b0dc862eefe.zip | |
net: korina: Remove not needed cache flushes
Descriptors are mapped uncached so there is no need to do any cache
handling for them.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/korina.c')
| -rw-r--r-- | drivers/net/ethernet/korina.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/net/ethernet/korina.c b/drivers/net/ethernet/korina.c index b56de01f6bb8..c7abb4a8dd37 100644 --- a/drivers/net/ethernet/korina.c +++ b/drivers/net/ethernet/korina.c @@ -231,7 +231,6 @@ static int korina_send_packet(struct sk_buff *skb, struct net_device *dev) dma_cache_wback((u32)skb->data, skb->len); /* Setup the transmit descriptor. */ - dma_cache_inv((u32) td, sizeof(*td)); td->ca = CPHYSADDR(skb->data); chain_prev = (lp->tx_chain_tail - 1) & KORINA_TDS_MASK; chain_next = (lp->tx_chain_tail + 1) & KORINA_TDS_MASK; @@ -284,7 +283,6 @@ static int korina_send_packet(struct sk_buff *skb, struct net_device *dev) lp->tx_chain_tail = chain_next; } } - dma_cache_wback((u32) td, sizeof(*td)); netif_trans_update(dev); spin_unlock_irqrestore(&lp->lock, flags); @@ -373,8 +371,6 @@ static int korina_rx(struct net_device *dev, int limit) u32 devcs, pkt_len, dmas; int count; - dma_cache_inv((u32)rd, sizeof(*rd)); - for (count = 0; count < limit; count++) { skb = lp->rx_skb[lp->rx_next_done]; skb_new = NULL; @@ -453,7 +449,6 @@ next: ~DMA_DESC_COD; lp->rx_next_done = (lp->rx_next_done + 1) & KORINA_RDS_MASK; - dma_cache_wback((u32)rd, sizeof(*rd)); rd = &lp->rd_ring[lp->rx_next_done]; writel(~DMA_STAT_DONE, &lp->rx_dma_regs->dmas); } @@ -468,7 +463,6 @@ next: rd->devcs = 0; skb = lp->rx_skb[lp->rx_next_done]; rd->ca = CPHYSADDR(skb->data); - dma_cache_wback((u32)rd, sizeof(*rd)); korina_chain_rx(lp, rd); } |