diff options
| author | Finn Thain <fthain@telegraphics.com.au> | 2020-02-15 22:03:32 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-02-17 04:48:21 +0100 |
| commit | 5d58c21c1030d8aaebeafd068304d12bc9c6bff7 (patch) | |
| tree | 6f611f3e91411f4e54ce585307bc95f29f72447f /drivers/net/ethernet/natsemi/macsonic.c | |
| parent | net/sonic: Remove obsolete comment (diff) | |
| download | linux-5d58c21c1030d8aaebeafd068304d12bc9c6bff7.tar.xz linux-5d58c21c1030d8aaebeafd068304d12bc9c6bff7.zip | |
net/sonic: Refactor duplicated code
No functional change.
Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/natsemi/macsonic.c')
| -rw-r--r-- | drivers/net/ethernet/natsemi/macsonic.c | 29 |
1 files changed, 3 insertions, 26 deletions
diff --git a/drivers/net/ethernet/natsemi/macsonic.c b/drivers/net/ethernet/natsemi/macsonic.c index 0937fc2a928e..0f4d0c25d626 100644 --- a/drivers/net/ethernet/natsemi/macsonic.c +++ b/drivers/net/ethernet/natsemi/macsonic.c @@ -186,33 +186,10 @@ static const struct net_device_ops macsonic_netdev_ops = { static int macsonic_init(struct net_device *dev) { struct sonic_local* lp = netdev_priv(dev); + int err = sonic_alloc_descriptors(dev); - /* Allocate the entire chunk of memory for the descriptors. - Note that this cannot cross a 64K boundary. */ - lp->descriptors = dma_alloc_coherent(lp->device, - SIZEOF_SONIC_DESC * - SONIC_BUS_SCALE(lp->dma_bitmode), - &lp->descriptors_laddr, - GFP_KERNEL); - if (lp->descriptors == NULL) - return -ENOMEM; - - /* Now set up the pointers to point to the appropriate places */ - lp->cda = lp->descriptors; - lp->tda = lp->cda + (SIZEOF_SONIC_CDA - * SONIC_BUS_SCALE(lp->dma_bitmode)); - lp->rda = lp->tda + (SIZEOF_SONIC_TD * SONIC_NUM_TDS - * SONIC_BUS_SCALE(lp->dma_bitmode)); - lp->rra = lp->rda + (SIZEOF_SONIC_RD * SONIC_NUM_RDS - * SONIC_BUS_SCALE(lp->dma_bitmode)); - - lp->cda_laddr = lp->descriptors_laddr; - lp->tda_laddr = lp->cda_laddr + (SIZEOF_SONIC_CDA - * SONIC_BUS_SCALE(lp->dma_bitmode)); - lp->rda_laddr = lp->tda_laddr + (SIZEOF_SONIC_TD * SONIC_NUM_TDS - * SONIC_BUS_SCALE(lp->dma_bitmode)); - lp->rra_laddr = lp->rda_laddr + (SIZEOF_SONIC_RD * SONIC_NUM_RDS - * SONIC_BUS_SCALE(lp->dma_bitmode)); + if (err) + return err; dev->netdev_ops = &macsonic_netdev_ops; dev->watchdog_timeo = TX_TIMEOUT; |