diff options
| author | Shenwei Wang <shenwei.wang@nxp.com> | 2022-10-17 19:12:36 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-10-19 05:34:13 +0300 |
| commit | f3d27ae079fa0da298f6786b0b2cc4d2a59b3539 (patch) | |
| tree | 3ae6646ed9332629ec9ce6d5feeccdfdc3591200 /drivers/net/ethernet | |
| parent | a2fd08448f2b7591fc7ec8dec2e5e025a43f0cee (diff) | |
| download | linux-f3d27ae079fa0da298f6786b0b2cc4d2a59b3539.tar.xz | |
net: fec: remove the unused functions
Removed those unused functions since we simplified the driver
by using the page pool to manage RX buffers.
Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
Link: https://lore.kernel.org/r/20221017161236.1563975-1-shenwei.wang@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet')
| -rw-r--r-- | drivers/net/ethernet/freescale/fec_main.c | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 98d5cd313fdd..6986b74fb8af 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -365,16 +365,6 @@ static void swap_buffer(void *bufaddr, int len) swab32s(buf); } -static void swap_buffer2(void *dst_buf, void *src_buf, int len) -{ - int i; - unsigned int *src = src_buf; - unsigned int *dst = dst_buf; - - for (i = 0; i < len; i += 4, src++, dst++) - *dst = swab32p(src); -} - static void fec_dump(struct net_device *ndev) { struct fec_enet_private *fep = netdev_priv(ndev); @@ -1494,53 +1484,6 @@ static void fec_enet_tx(struct net_device *ndev) fec_enet_tx_queue(ndev, i); } -static int __maybe_unused -fec_enet_new_rxbdp(struct net_device *ndev, struct bufdesc *bdp, struct sk_buff *skb) -{ - struct fec_enet_private *fep = netdev_priv(ndev); - int off; - - off = ((unsigned long)skb->data) & fep->rx_align; - if (off) - skb_reserve(skb, fep->rx_align + 1 - off); - - bdp->cbd_bufaddr = cpu_to_fec32(dma_map_single(&fep->pdev->dev, skb->data, FEC_ENET_RX_FRSIZE - fep->rx_align, DMA_FROM_DEVICE)); - if (dma_mapping_error(&fep->pdev->dev, fec32_to_cpu(bdp->cbd_bufaddr))) { - if (net_ratelimit()) - netdev_err(ndev, "Rx DMA memory map failed\n"); - return -ENOMEM; - } - - return 0; -} - -static bool __maybe_unused -fec_enet_copybreak(struct net_device *ndev, struct sk_buff **skb, - struct bufdesc *bdp, u32 length, bool swap) -{ - struct fec_enet_private *fep = netdev_priv(ndev); - struct sk_buff *new_skb; - - if (length > fep->rx_copybreak) - return false; - - new_skb = netdev_alloc_skb(ndev, length); - if (!new_skb) - return false; - - dma_sync_single_for_cpu(&fep->pdev->dev, - fec32_to_cpu(bdp->cbd_bufaddr), - FEC_ENET_RX_FRSIZE - fep->rx_align, - DMA_FROM_DEVICE); - if (!swap) - memcpy(new_skb->data, (*skb)->data, length); - else - swap_buffer2(new_skb->data, (*skb)->data, length); - *skb = new_skb; - - return true; -} - static void fec_enet_update_cbd(struct fec_enet_priv_rx_q *rxq, struct bufdesc *bdp, int index) { |