diff options
Diffstat (limited to 'drivers/net/fs_enet')
| -rw-r--r-- | drivers/net/fs_enet/fs_enet-main.c | 7 | ||||
| -rw-r--r-- | drivers/net/fs_enet/mac-fcc.c | 51 | ||||
| -rw-r--r-- | drivers/net/fs_enet/mac-fec.c | 2 | ||||
| -rw-r--r-- | drivers/net/fs_enet/mac-scc.c | 2 | ||||
| -rw-r--r-- | drivers/net/fs_enet/mii-bitbang.c | 8 | ||||
| -rw-r--r-- | drivers/net/fs_enet/mii-fec.c | 4 |
6 files changed, 55 insertions, 19 deletions
diff --git a/drivers/net/fs_enet/fs_enet-main.c b/drivers/net/fs_enet/fs_enet-main.c index 309a0eaddd81..d6e3111959ab 100644 --- a/drivers/net/fs_enet/fs_enet-main.c +++ b/drivers/net/fs_enet/fs_enet-main.c @@ -963,12 +963,11 @@ static const struct ethtool_ops fs_ethtool_ops = { static int fs_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) { struct fs_enet_private *fep = netdev_priv(dev); - struct mii_ioctl_data *mii = (struct mii_ioctl_data *)&rq->ifr_data; if (!netif_running(dev)) return -EINVAL; - return phy_mii_ioctl(fep->phydev, mii, cmd); + return phy_mii_ioctl(fep->phydev, rq, cmd); } extern int fs_mii_connect(struct net_device *dev); @@ -998,7 +997,7 @@ static const struct net_device_ops fs_enet_netdev_ops = { #endif }; -static int __devinit fs_enet_probe(struct of_device *ofdev, +static int __devinit fs_enet_probe(struct platform_device *ofdev, const struct of_device_id *match) { struct net_device *ndev; @@ -1106,7 +1105,7 @@ out_free_fpi: return ret; } -static int fs_enet_remove(struct of_device *ofdev) +static int fs_enet_remove(struct platform_device *ofdev) { struct net_device *ndev = dev_get_drvdata(&ofdev->dev); struct fs_enet_private *fep = netdev_priv(ndev); diff --git a/drivers/net/fs_enet/mac-fcc.c b/drivers/net/fs_enet/mac-fcc.c index 5d45084b287d..7a84e45487e8 100644 --- a/drivers/net/fs_enet/mac-fcc.c +++ b/drivers/net/fs_enet/mac-fcc.c @@ -84,7 +84,7 @@ static inline int fcc_cr_cmd(struct fs_enet_private *fep, u32 op) static int do_pd_setup(struct fs_enet_private *fep) { - struct of_device *ofdev = to_of_device(fep->dev); + struct platform_device *ofdev = to_platform_device(fep->dev); struct fs_platform_info *fpi = fep->fpi; int ret = -EINVAL; @@ -504,17 +504,54 @@ static int get_regs_len(struct net_device *dev) } /* Some transmit errors cause the transmitter to shut - * down. We now issue a restart transmit. Since the - * errors close the BD and update the pointers, the restart - * _should_ pick up without having to reset any of our - * pointers either. Also, To workaround 8260 device erratum - * CPM37, we must disable and then re-enable the transmitter - * following a Late Collision, Underrun, or Retry Limit error. + * down. We now issue a restart transmit. + * Also, to workaround 8260 device erratum CPM37, we must + * disable and then re-enable the transmitterfollowing a + * Late Collision, Underrun, or Retry Limit error. + * In addition, tbptr may point beyond BDs beyond still marked + * as ready due to internal pipelining, so we need to look back + * through the BDs and adjust tbptr to point to the last BD + * marked as ready. This may result in some buffers being + * retransmitted. */ static void tx_restart(struct net_device *dev) { struct fs_enet_private *fep = netdev_priv(dev); fcc_t __iomem *fccp = fep->fcc.fccp; + const struct fs_platform_info *fpi = fep->fpi; + fcc_enet_t __iomem *ep = fep->fcc.ep; + cbd_t __iomem *curr_tbptr; + cbd_t __iomem *recheck_bd; + cbd_t __iomem *prev_bd; + cbd_t __iomem *last_tx_bd; + + last_tx_bd = fep->tx_bd_base + (fpi->tx_ring * sizeof(cbd_t)); + + /* get the current bd held in TBPTR and scan back from this point */ + recheck_bd = curr_tbptr = (cbd_t __iomem *) + ((R32(ep, fen_genfcc.fcc_tbptr) - fep->ring_mem_addr) + + fep->ring_base); + + prev_bd = (recheck_bd == fep->tx_bd_base) ? last_tx_bd : recheck_bd - 1; + + /* Move through the bds in reverse, look for the earliest buffer + * that is not ready. Adjust TBPTR to the following buffer */ + while ((CBDR_SC(prev_bd) & BD_ENET_TX_READY) != 0) { + /* Go back one buffer */ + recheck_bd = prev_bd; + + /* update the previous buffer */ + prev_bd = (prev_bd == fep->tx_bd_base) ? last_tx_bd : prev_bd - 1; + + /* We should never see all bds marked as ready, check anyway */ + if (recheck_bd == curr_tbptr) + break; + } + /* Now update the TBPTR and dirty flag to the current buffer */ + W32(ep, fen_genfcc.fcc_tbptr, + (uint) (((void *)recheck_bd - fep->ring_base) + + fep->ring_mem_addr)); + fep->dirty_tx = recheck_bd; C32(fccp, fcc_gfmr, FCC_GFMR_ENT); udelay(10); diff --git a/drivers/net/fs_enet/mac-fec.c b/drivers/net/fs_enet/mac-fec.c index 7ca1642276d0..61035fc5599b 100644 --- a/drivers/net/fs_enet/mac-fec.c +++ b/drivers/net/fs_enet/mac-fec.c @@ -96,7 +96,7 @@ static int whack_reset(struct fec __iomem *fecp) static int do_pd_setup(struct fs_enet_private *fep) { - struct of_device *ofdev = to_of_device(fep->dev); + struct platform_device *ofdev = to_platform_device(fep->dev); fep->interrupt = of_irq_to_resource(ofdev->dev.of_node, 0, NULL); if (fep->interrupt == NO_IRQ) diff --git a/drivers/net/fs_enet/mac-scc.c b/drivers/net/fs_enet/mac-scc.c index a3c44544846d..22a02a767069 100644 --- a/drivers/net/fs_enet/mac-scc.c +++ b/drivers/net/fs_enet/mac-scc.c @@ -96,7 +96,7 @@ static inline int scc_cr_cmd(struct fs_enet_private *fep, u32 op) static int do_pd_setup(struct fs_enet_private *fep) { - struct of_device *ofdev = to_of_device(fep->dev); + struct platform_device *ofdev = to_platform_device(fep->dev); fep->interrupt = of_irq_to_resource(ofdev->dev.of_node, 0, NULL); if (fep->interrupt == NO_IRQ) diff --git a/drivers/net/fs_enet/mii-bitbang.c b/drivers/net/fs_enet/mii-bitbang.c index 0f90685d3d19..3cda2b515471 100644 --- a/drivers/net/fs_enet/mii-bitbang.c +++ b/drivers/net/fs_enet/mii-bitbang.c @@ -150,7 +150,7 @@ static int __devinit fs_mii_bitbang_init(struct mii_bus *bus, return 0; } -static int __devinit fs_enet_mdio_probe(struct of_device *ofdev, +static int __devinit fs_enet_mdio_probe(struct platform_device *ofdev, const struct of_device_id *match) { struct mii_bus *new_bus; @@ -169,7 +169,7 @@ static int __devinit fs_enet_mdio_probe(struct of_device *ofdev, new_bus->name = "CPM2 Bitbanged MII", - ret = fs_mii_bitbang_init(new_bus, ofdev->node); + ret = fs_mii_bitbang_init(new_bus, ofdev->dev.of_node); if (ret) goto out_free_bus; @@ -181,7 +181,7 @@ static int __devinit fs_enet_mdio_probe(struct of_device *ofdev, new_bus->parent = &ofdev->dev; dev_set_drvdata(&ofdev->dev, new_bus); - ret = of_mdiobus_register(new_bus, ofdev->node); + ret = of_mdiobus_register(new_bus, ofdev->dev.of_node); if (ret) goto out_free_irqs; @@ -200,7 +200,7 @@ out: return ret; } -static int fs_enet_mdio_remove(struct of_device *ofdev) +static int fs_enet_mdio_remove(struct platform_device *ofdev) { struct mii_bus *bus = dev_get_drvdata(&ofdev->dev); struct bb_info *bitbang = bus->priv; diff --git a/drivers/net/fs_enet/mii-fec.c b/drivers/net/fs_enet/mii-fec.c index bddffd169b93..dbb9c48623df 100644 --- a/drivers/net/fs_enet/mii-fec.c +++ b/drivers/net/fs_enet/mii-fec.c @@ -101,7 +101,7 @@ static int fs_enet_fec_mii_reset(struct mii_bus *bus) return 0; } -static int __devinit fs_enet_mdio_probe(struct of_device *ofdev, +static int __devinit fs_enet_mdio_probe(struct platform_device *ofdev, const struct of_device_id *match) { struct resource res; @@ -192,7 +192,7 @@ out: return ret; } -static int fs_enet_mdio_remove(struct of_device *ofdev) +static int fs_enet_mdio_remove(struct platform_device *ofdev) { struct mii_bus *bus = dev_get_drvdata(&ofdev->dev); struct fec_info *fec = bus->priv; |