diff options
Diffstat (limited to 'drivers/net/gianfar.c')
| -rw-r--r-- | drivers/net/gianfar.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index 5ed8f9f9419..2a0ad9a501b 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -123,8 +123,7 @@ static irqreturn_t gfar_interrupt(int irq, void *dev_id); static void adjust_link(struct net_device *dev); static void init_registers(struct net_device *dev); static int init_phy(struct net_device *dev); -static int gfar_probe(struct platform_device *ofdev, - const struct of_device_id *match); +static int gfar_probe(struct platform_device *ofdev); static int gfar_remove(struct platform_device *ofdev); static void free_skb_resources(struct gfar_private *priv); static void gfar_set_multi(struct net_device *dev); @@ -950,6 +949,11 @@ static void gfar_detect_errata(struct gfar_private *priv) (pvr == 0x80861010 && (mod & 0xfff9) == 0x80c0)) priv->errata |= GFAR_ERRATA_A002; + /* MPC8313 Rev < 2.0, MPC8548 rev 2.0 */ + if ((pvr == 0x80850010 && mod == 0x80b0 && rev < 0x0020) || + (pvr == 0x80210020 && mod == 0x8030 && rev == 0x0020)) + priv->errata |= GFAR_ERRATA_12; + if (priv->errata) dev_info(dev, "enabled errata workarounds, flags: 0x%x\n", priv->errata); @@ -957,8 +961,7 @@ static void gfar_detect_errata(struct gfar_private *priv) /* Set up the ethernet device structure, private data, * and anything else we need before we start */ -static int gfar_probe(struct platform_device *ofdev, - const struct of_device_id *match) +static int gfar_probe(struct platform_device *ofdev) { u32 tempval; struct net_device *dev = NULL; @@ -2156,8 +2159,15 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) /* Set up checksumming */ if (CHECKSUM_PARTIAL == skb->ip_summed) { fcb = gfar_add_fcb(skb); - lstatus |= BD_LFLAG(TXBD_TOE); - gfar_tx_checksum(skb, fcb); + /* as specified by errata */ + if (unlikely(gfar_has_errata(priv, GFAR_ERRATA_12) + && ((unsigned long)fcb % 0x20) > 0x18)) { + __skb_pull(skb, GMAC_FCB_LEN); + skb_checksum_help(skb); + } else { + lstatus |= BD_LFLAG(TXBD_TOE); + gfar_tx_checksum(skb, fcb); + } } if (vlan_tx_tag_present(skb)) { @@ -3256,7 +3266,7 @@ static struct of_device_id gfar_match[] = MODULE_DEVICE_TABLE(of, gfar_match); /* Structure for a device driver */ -static struct of_platform_driver gfar_driver = { +static struct platform_driver gfar_driver = { .driver = { .name = "fsl-gianfar", .owner = THIS_MODULE, @@ -3269,12 +3279,12 @@ static struct of_platform_driver gfar_driver = { static int __init gfar_init(void) { - return of_register_platform_driver(&gfar_driver); + return platform_driver_register(&gfar_driver); } static void __exit gfar_exit(void) { - of_unregister_platform_driver(&gfar_driver); + platform_driver_unregister(&gfar_driver); } module_init(gfar_init); |