diff options
| author | Riccardo Ghetta <birrachiara@tin.it> | 2010-02-17 09:28:58 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-02-17 13:38:10 -0800 |
| commit | 08326dbe7b5825295ec3711eec53b093549749e5 (patch) | |
| tree | 684dc4907ea770c3660500961e4559e0df2bf2bd /drivers/net/sis190.c | |
| parent | 7af3351f71f4b3b5dbccb66cdc9b097052760a7f (diff) | |
| download | kernel_samsung_smdk4412-08326dbe7b5825295ec3711eec53b093549749e5.zip kernel_samsung_smdk4412-08326dbe7b5825295ec3711eec53b093549749e5.tar.gz kernel_samsung_smdk4412-08326dbe7b5825295ec3711eec53b093549749e5.tar.bz2 | |
SiS190/191 half-duplex initialization fix
Adds half-duplex specific setup code (taken from SiS own GPL driver).
Without those, half-duplex connections are very unreliable, often
working on small transfers and failing after a while.
Signed-off-by: Riccardo Ghetta <birrachiara@tin.it>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/sis190.c')
| -rw-r--r-- | drivers/net/sis190.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/net/sis190.c b/drivers/net/sis190.c index 8c4e38f..bf2ffbb 100644 --- a/drivers/net/sis190.c +++ b/drivers/net/sis190.c @@ -47,7 +47,7 @@ #define PHY_ID_ANY 0x1f #define MII_REG_ANY 0x1f -#define DRV_VERSION "1.3" +#define DRV_VERSION "1.4" #define DRV_NAME "sis190" #define SIS190_DRIVER_NAME DRV_NAME " Gigabit Ethernet driver " DRV_VERSION #define PFX DRV_NAME ": " @@ -294,6 +294,7 @@ struct sis190_private { struct mii_if_info mii_if; struct list_head first_phy; u32 features; + u32 negotiated_lpa; }; struct sis190_phy { @@ -1004,6 +1005,8 @@ static void sis190_phy_task(struct work_struct *work) SIS_W32(RGDelay, 0x0440); } + tp->negotiated_lpa = p->val; + net_link(tp, KERN_INFO "%s: link on %s mode.\n", dev->name, p->msg); netif_carrier_on(dev); @@ -1211,6 +1214,12 @@ static netdev_tx_t sis190_start_xmit(struct sk_buff *skb, wmb(); desc->status = cpu_to_le32(OWNbit | INTbit | DEFbit | CRCbit | PADbit); + if (tp->negotiated_lpa & (LPA_1000HALF | LPA_100HALF | LPA_10HALF)) { + /* Half Duplex */ + desc->status |= cpu_to_le32(COLEN | CRSEN | BKFEN); + if (tp->negotiated_lpa & (LPA_1000HALF | LPA_1000FULL)) + desc->status |= cpu_to_le32(EXTEN | BSTEN); /* gigabit HD */ + } tp->cur_tx++; |