diff options
Diffstat (limited to 'drivers/net/fsl-fman.c')
| -rw-r--r-- | drivers/net/fsl-fman.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/net/fsl-fman.c b/drivers/net/fsl-fman.c index 196be3f6bd..01f7064fd2 100644 --- a/drivers/net/fsl-fman.c +++ b/drivers/net/fsl-fman.c @@ -835,7 +835,6 @@ static int fm_eth_send(struct eth_device *edev, void *buf, int len) struct fm_eth *fm_eth = to_fm_eth(edev); struct fm_port_global_pram *pram; struct fm_port_bd *txbd; - u16 offset_in; int i; dma_addr_t dma; @@ -862,12 +861,12 @@ static int fm_eth_send(struct eth_device *edev, void *buf, int len) muram_writew(&txbd->len, len); muram_writew(&txbd->status, TxBD_READY | TxBD_LAST); + /* advance the TxBD */ + fm_eth->cur_txbd_idx = (fm_eth->cur_txbd_idx + 1) % TX_BD_RING_SIZE; + /* update TxQD, let RISC to send the packet */ - offset_in = muram_readw(&pram->txqd.offset_in); - offset_in += sizeof(struct fm_port_bd); - if (offset_in >= muram_readw(&pram->txqd.bd_ring_size)) - offset_in = 0; - muram_writew(&pram->txqd.offset_in, offset_in); + muram_writew(&pram->txqd.offset_in, + fm_eth->cur_txbd_idx * sizeof(struct fm_port_bd)); /* wait for buffer to be transmitted */ for (i = 0; muram_readw(&txbd->status) & TxBD_READY; i++) { @@ -881,9 +880,6 @@ static int fm_eth_send(struct eth_device *edev, void *buf, int len) dma_unmap_single(fm_eth->dev, dma, len, DMA_TO_DEVICE); - /* advance the TxBD */ - fm_eth->cur_txbd_idx = (fm_eth->cur_txbd_idx + 1) % TX_BD_RING_SIZE; - return 0; } |